@@ -415,28 +415,29 @@ As of kernel 2.6.22, the following members are defined:
.. code-block:: c
struct inode_operations {
- int (*create) (struct inode *,struct dentry *, umode_t, bool);
+ int (*create) (struct user_namespace *, struct inode *,struct dentry *, umode_t, bool);
struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);
int (*link) (struct dentry *,struct inode *,struct dentry *);
int (*unlink) (struct inode *,struct dentry *);
- int (*symlink) (struct inode *,struct dentry *,const char *);
- int (*mkdir) (struct inode *,struct dentry *,umode_t);
+ int (*symlink) (struct user_namespace *, struct inode *,struct dentry *,const char *);
+ int (*mkdir) (struct user_namespace *, struct inode *,struct dentry *,umode_t);
int (*rmdir) (struct inode *,struct dentry *);
- int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t);
- int (*rename) (struct inode *, struct dentry *,
+ int (*mknod) (struct user_namespace *, struct inode *,struct dentry *,umode_t,dev_t);
+ int (*rename) (struct user_namespace *, struct inode *, struct dentry *,
struct inode *, struct dentry *, unsigned int);
int (*readlink) (struct dentry *, char __user *,int);
const char *(*get_link) (struct dentry *, struct inode *,
struct delayed_call *);
- int (*permission) (struct inode *, int);
+ int (*permission) (struct user_namespace *, struct inode *, int);
int (*get_acl)(struct inode *, int);
- int (*setattr) (struct dentry *, struct iattr *);
- int (*getattr) (const struct path *, struct kstat *, u32, unsigned int);
+ int (*setattr) (struct user_namespace *, struct dentry *, struct iattr *);
+ int (*getattr) (struct user_namespace *, const struct path *, struct kstat *, u32, unsigned int);
ssize_t (*listxattr) (struct dentry *, char *, size_t);
void (*update_time)(struct inode *, struct timespec *, int);
int (*atomic_open)(struct inode *, struct dentry *, struct file *,
unsigned open_flag, umode_t create_mode);
- int (*tmpfile) (struct inode *, struct dentry *, umode_t);
+ int (*tmpfile) (struct user_namespace *, struct inode *, struct dentry *, umode_t);
+ int (*set_acl)(struct user_namespace *, struct inode *, struct posix_acl *, int);
};
Again, all methods are called without any locks being held, unless
@@ -91,7 +91,8 @@ spufs_new_inode(struct super_block *sb, umode_t mode)
}
static int
-spufs_setattr(struct dentry *dentry, struct iattr *attr)
+spufs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
@@ -355,7 +355,8 @@ static inline bool is_binderfs_control_device(const struct dentry *dentry)
return info->control_dentry == dentry;
}
-static int binderfs_rename(struct inode *old_dir, struct dentry *old_dentry,
+static int binderfs_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -363,7 +364,8 @@ static int binderfs_rename(struct inode *old_dir, struct dentry *old_dentry,
is_binderfs_control_device(new_dentry))
return -EPERM;
- return simple_rename(old_dir, old_dentry, new_dir, new_dentry, flags);
+ return simple_rename(&init_user_ns, old_dir, old_dentry, new_dir,
+ new_dentry, flags);
}
static int binderfs_unlink(struct inode *dir, struct dentry *dentry)
@@ -280,7 +280,7 @@ static int v9fs_xattr_set_acl(const struct xattr_handler *handler,
struct iattr iattr = { 0 };
struct posix_acl *old_acl = acl;
- retval = posix_acl_update_mode(mnt_userns, inode,
+ retval = posix_acl_update_mode(&init_user_ns, inode,
&iattr.ia_mode, &acl);
if (retval)
goto err_out;
@@ -299,7 +299,7 @@ static int v9fs_xattr_set_acl(const struct xattr_handler *handler,
* What is the following setxattr update the
* mode ?
*/
- v9fs_vfs_setattr_dotl(dentry, &iattr);
+ v9fs_vfs_setattr_dotl(&init_user_ns, dentry, &iattr);
}
break;
case ACL_TYPE_DEFAULT:
@@ -135,7 +135,8 @@ extern struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
unsigned int flags);
extern int v9fs_vfs_unlink(struct inode *i, struct dentry *d);
extern int v9fs_vfs_rmdir(struct inode *i, struct dentry *d);
-extern int v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
+extern int v9fs_vfs_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags);
extern struct inode *v9fs_inode_from_fid(struct v9fs_session_info *v9ses,
@@ -59,7 +59,8 @@ void v9fs_inode2stat(struct inode *inode, struct p9_wstat *stat);
int v9fs_uflags2omode(int uflags, int extended);
void v9fs_blank_wstat(struct p9_wstat *wstat);
-int v9fs_vfs_setattr_dotl(struct dentry *, struct iattr *);
+int v9fs_vfs_setattr_dotl(struct user_namespace *, struct dentry *,
+ struct iattr *);
int v9fs_file_fsync_dotl(struct file *filp, loff_t start, loff_t end,
int datasync);
int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode);
@@ -676,8 +676,8 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
*/
static int
-v9fs_vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+v9fs_vfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);
u32 perm = unixmode2p9mode(v9ses, mode);
@@ -702,7 +702,8 @@ v9fs_vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
*
*/
-static int v9fs_vfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int v9fs_vfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
int err;
u32 perm;
@@ -907,9 +908,9 @@ int v9fs_vfs_rmdir(struct inode *i, struct dentry *d)
*/
int
-v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+v9fs_vfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
int retval;
struct inode *old_inode;
@@ -1016,8 +1017,8 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
*/
static int
-v9fs_vfs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+v9fs_vfs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
struct dentry *dentry = path->dentry;
struct v9fs_session_info *v9ses;
@@ -1054,7 +1055,8 @@ v9fs_vfs_getattr(const struct path *path, struct kstat *stat,
*
*/
-static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
+static int v9fs_vfs_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *iattr)
{
int retval, use_dentry = 0;
struct v9fs_session_info *v9ses;
@@ -1295,7 +1297,8 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
*/
static int
-v9fs_vfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
+v9fs_vfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
p9_debug(P9_DEBUG_VFS, " %lu,%pd,%s\n",
dir->i_ino, dentry, symname);
@@ -1348,7 +1351,8 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
*/
static int
-v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev)
+v9fs_vfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);
int retval;
@@ -33,8 +33,8 @@
#include "acl.h"
static int
-v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
- dev_t rdev);
+v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t omode, dev_t rdev);
/**
* v9fs_get_fsgid_for_create - Helper function to get the gid for creating a
@@ -218,10 +218,10 @@ int v9fs_open_to_dotl_flags(int flags)
*/
static int
-v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
- bool excl)
+v9fs_vfs_create_dotl(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t omode, bool excl)
{
- return v9fs_vfs_mknod_dotl(dir, dentry, omode, 0);
+ return v9fs_vfs_mknod_dotl(mnt_userns, dir, dentry, omode, 0);
}
static int
@@ -367,8 +367,9 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
*
*/
-static int v9fs_vfs_mkdir_dotl(struct inode *dir,
- struct dentry *dentry, umode_t omode)
+static int v9fs_vfs_mkdir_dotl(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
+ umode_t omode)
{
int err;
struct v9fs_session_info *v9ses;
@@ -457,8 +458,9 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
}
static int
-v9fs_vfs_getattr_dotl(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+v9fs_vfs_getattr_dotl(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
+ u32 request_mask, unsigned int flags)
{
struct dentry *dentry = path->dentry;
struct v9fs_session_info *v9ses;
@@ -540,7 +542,8 @@ static int v9fs_mapped_iattr_valid(int iattr_valid)
*
*/
-int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
+int v9fs_vfs_setattr_dotl(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *iattr)
{
int retval, use_dentry = 0;
struct p9_fid *fid = NULL;
@@ -684,8 +687,8 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode,
}
static int
-v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
- const char *symname)
+v9fs_vfs_symlink_dotl(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
int err;
kgid_t gid;
@@ -824,8 +827,8 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
*
*/
static int
-v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
- dev_t rdev)
+v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t omode, dev_t rdev)
{
int err;
kgid_t gid;
@@ -144,7 +144,8 @@ struct adfs_discmap {
/* Inode stuff */
struct inode *adfs_iget(struct super_block *sb, struct object_info *obj);
int adfs_write_inode(struct inode *inode, struct writeback_control *wbc);
-int adfs_notify_change(struct dentry *dentry, struct iattr *attr);
+int adfs_notify_change(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr);
/* map.c */
int adfs_map_lookup(struct super_block *sb, u32 frag_id, unsigned int offset);
@@ -292,7 +292,8 @@ adfs_iget(struct super_block *sb, struct object_info *obj)
* later.
*/
int
-adfs_notify_change(struct dentry *dentry, struct iattr *attr)
+adfs_notify_change(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct super_block *sb = inode->i_sb;
@@ -167,27 +167,33 @@ extern const struct export_operations affs_export_ops;
extern int affs_hash_name(struct super_block *sb, const u8 *name, unsigned int len);
extern struct dentry *affs_lookup(struct inode *dir, struct dentry *dentry, unsigned int);
extern int affs_unlink(struct inode *dir, struct dentry *dentry);
-extern int affs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool);
-extern int affs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
+extern int affs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool);
+extern int affs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode);
extern int affs_rmdir(struct inode *dir, struct dentry *dentry);
extern int affs_link(struct dentry *olddentry, struct inode *dir,
struct dentry *dentry);
-extern int affs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname);
-extern int affs_rename2(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags);
+extern int affs_symlink(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
+ const char *symname);
+extern int affs_rename2(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags);
/* inode.c */
extern struct inode *affs_new_inode(struct inode *dir);
-extern int affs_notify_change(struct dentry *dentry, struct iattr *attr);
+extern int affs_notify_change(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr);
extern void affs_evict_inode(struct inode *inode);
extern struct inode *affs_iget(struct super_block *sb,
unsigned long ino);
extern int affs_write_inode(struct inode *inode,
struct writeback_control *wbc);
-extern int affs_add_entry(struct inode *dir, struct inode *inode, struct dentry *dentry, s32 type);
+extern int affs_add_entry(struct inode *dir, struct inode *inode,
+ struct dentry *dentry, s32 type);
/* file.c */
@@ -216,7 +216,8 @@ affs_write_inode(struct inode *inode, struct writeback_control *wbc)
}
int
-affs_notify_change(struct dentry *dentry, struct iattr *attr)
+affs_notify_change(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error;
@@ -242,7 +242,8 @@ affs_unlink(struct inode *dir, struct dentry *dentry)
}
int
-affs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl)
+affs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct super_block *sb = dir->i_sb;
struct inode *inode;
@@ -273,7 +274,8 @@ affs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl)
}
int
-affs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+affs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode *inode;
int error;
@@ -311,7 +313,8 @@ affs_rmdir(struct inode *dir, struct dentry *dentry)
}
int
-affs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
+affs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
struct super_block *sb = dir->i_sb;
struct buffer_head *bh;
@@ -498,9 +501,9 @@ affs_xrename(struct inode *old_dir, struct dentry *old_dentry,
return retval;
}
-int affs_rename2(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+int affs_rename2(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE))
@@ -28,18 +28,19 @@ static int afs_lookup_one_filldir(struct dir_context *ctx, const char *name, int
loff_t fpos, u64 ino, unsigned dtype);
static int afs_lookup_filldir(struct dir_context *ctx, const char *name, int nlen,
loff_t fpos, u64 ino, unsigned dtype);
-static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl);
-static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
+static int afs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl);
+static int afs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode);
static int afs_rmdir(struct inode *dir, struct dentry *dentry);
static int afs_unlink(struct inode *dir, struct dentry *dentry);
static int afs_link(struct dentry *from, struct inode *dir,
struct dentry *dentry);
-static int afs_symlink(struct inode *dir, struct dentry *dentry,
- const char *content);
-static int afs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags);
+static int afs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *content);
+static int afs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags);
static int afs_dir_releasepage(struct page *page, gfp_t gfp_flags);
static void afs_dir_invalidatepage(struct page *page, unsigned int offset,
unsigned int length);
@@ -1325,7 +1326,8 @@ static const struct afs_operation_ops afs_mkdir_operation = {
/*
* create a directory on an AFS filesystem
*/
-static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int afs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct afs_operation *op;
struct afs_vnode *dvnode = AFS_FS_I(dir);
@@ -1619,8 +1621,8 @@ static const struct afs_operation_ops afs_create_operation = {
/*
* create a regular file on an AFS filesystem
*/
-static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int afs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct afs_operation *op;
struct afs_vnode *dvnode = AFS_FS_I(dir);
@@ -1741,8 +1743,8 @@ static const struct afs_operation_ops afs_symlink_operation = {
/*
* create a symlink in an AFS filesystem
*/
-static int afs_symlink(struct inode *dir, struct dentry *dentry,
- const char *content)
+static int afs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *content)
{
struct afs_operation *op;
struct afs_vnode *dvnode = AFS_FS_I(dir);
@@ -1876,9 +1878,9 @@ static const struct afs_operation_ops afs_rename_operation = {
/*
* rename a file in an AFS filesystem and/or move it between directories
*/
-static int afs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int afs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct afs_operation *op;
struct afs_vnode *orig_dvnode, *new_dvnode, *vnode;
@@ -734,8 +734,8 @@ int afs_validate(struct afs_vnode *vnode, struct key *key)
/*
* read the attributes of an inode
*/
-int afs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+int afs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
struct afs_vnode *vnode = AFS_FS_I(inode);
@@ -857,7 +857,8 @@ static const struct afs_operation_ops afs_setattr_operation = {
/*
* set the attributes of an inode
*/
-int afs_setattr(struct dentry *dentry, struct iattr *attr)
+int afs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct afs_operation *op;
struct afs_vnode *vnode = AFS_FS_I(d_inode(dentry));
@@ -1149,8 +1149,9 @@ extern struct inode *afs_iget(struct afs_operation *, struct afs_vnode_param *);
extern struct inode *afs_root_iget(struct super_block *, struct key *);
extern bool afs_check_validity(struct afs_vnode *);
extern int afs_validate(struct afs_vnode *, struct key *);
-extern int afs_getattr(const struct path *, struct kstat *, u32, unsigned int);
-extern int afs_setattr(struct dentry *, struct iattr *);
+extern int afs_getattr(struct user_namespace *mnt_userns, const struct path *,
+ struct kstat *, u32, unsigned int);
+extern int afs_setattr(struct user_namespace *mnt_userns, struct dentry *, struct iattr *);
extern void afs_evict_inode(struct inode *);
extern int afs_drop_inode(struct inode *);
@@ -1361,7 +1362,7 @@ extern void afs_zap_permits(struct rcu_head *);
extern struct key *afs_request_key(struct afs_cell *);
extern struct key *afs_request_key_rcu(struct afs_cell *);
extern int afs_check_permit(struct afs_vnode *, struct key *, afs_access_t *);
-extern int afs_permission(struct inode *, int);
+extern int afs_permission(struct user_namespace *, struct inode *, int);
extern void __exit afs_clean_up_permit_cache(void);
/*
@@ -396,7 +396,8 @@ int afs_check_permit(struct afs_vnode *vnode, struct key *key,
* - AFS ACLs are attached to directories only, and a file is controlled by its
* parent directory's ACL
*/
-int afs_permission(struct inode *inode, int mask)
+int afs_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask)
{
struct afs_vnode *vnode = AFS_FS_I(inode);
afs_access_t access;
@@ -395,9 +395,9 @@ int notify_change(struct user_namespace *mnt_userns, struct dentry *dentry,
return error;
if (inode->i_op->setattr)
- error = inode->i_op->setattr(dentry, attr);
+ error = inode->i_op->setattr(mnt_userns, dentry, attr);
else
- error = simple_setattr(dentry, attr);
+ error = simple_setattr(mnt_userns, dentry, attr);
if (!error) {
fsnotify_change(dentry, ia_valid);
@@ -10,10 +10,12 @@
#include "autofs_i.h"
-static int autofs_dir_symlink(struct inode *, struct dentry *, const char *);
+static int autofs_dir_symlink(struct user_namespace *, struct inode *,
+ struct dentry *, const char *);
static int autofs_dir_unlink(struct inode *, struct dentry *);
static int autofs_dir_rmdir(struct inode *, struct dentry *);
-static int autofs_dir_mkdir(struct inode *, struct dentry *, umode_t);
+static int autofs_dir_mkdir(struct user_namespace *, struct inode *,
+ struct dentry *, umode_t);
static long autofs_root_ioctl(struct file *, unsigned int, unsigned long);
#ifdef CONFIG_COMPAT
static long autofs_root_compat_ioctl(struct file *,
@@ -524,9 +526,9 @@ static struct dentry *autofs_lookup(struct inode *dir,
return NULL;
}
-static int autofs_dir_symlink(struct inode *dir,
- struct dentry *dentry,
- const char *symname)
+static int autofs_dir_symlink(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
+ const char *symname)
{
struct autofs_sb_info *sbi = autofs_sbi(dir->i_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
@@ -715,8 +717,9 @@ static int autofs_dir_rmdir(struct inode *dir, struct dentry *dentry)
return 0;
}
-static int autofs_dir_mkdir(struct inode *dir,
- struct dentry *dentry, umode_t mode)
+static int autofs_dir_mkdir(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
+ umode_t mode)
{
struct autofs_sb_info *sbi = autofs_sbi(dir->i_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
@@ -27,8 +27,9 @@ static const struct file_operations bad_file_ops =
.open = bad_file_open,
};
-static int bad_inode_create (struct inode *dir, struct dentry *dentry,
- umode_t mode, bool excl)
+static int bad_inode_create(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
+ umode_t mode, bool excl)
{
return -EIO;
}
@@ -50,14 +51,15 @@ static int bad_inode_unlink(struct inode *dir, struct dentry *dentry)
return -EIO;
}
-static int bad_inode_symlink (struct inode *dir, struct dentry *dentry,
- const char *symname)
+static int bad_inode_symlink(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
+ const char *symname)
{
return -EIO;
}
-static int bad_inode_mkdir(struct inode *dir, struct dentry *dentry,
- umode_t mode)
+static int bad_inode_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
return -EIO;
}
@@ -67,13 +69,14 @@ static int bad_inode_rmdir (struct inode *dir, struct dentry *dentry)
return -EIO;
}
-static int bad_inode_mknod (struct inode *dir, struct dentry *dentry,
- umode_t mode, dev_t rdev)
+static int bad_inode_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
return -EIO;
}
-static int bad_inode_rename2(struct inode *old_dir, struct dentry *old_dentry,
+static int bad_inode_rename2(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -86,18 +89,21 @@ static int bad_inode_readlink(struct dentry *dentry, char __user *buffer,
return -EIO;
}
-static int bad_inode_permission(struct inode *inode, int mask)
+static int bad_inode_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
return -EIO;
}
-static int bad_inode_getattr(const struct path *path, struct kstat *stat,
+static int bad_inode_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
return -EIO;
}
-static int bad_inode_setattr(struct dentry *direntry, struct iattr *attrs)
+static int bad_inode_setattr(struct user_namespace *mnt_userns,
+ struct dentry *direntry, struct iattr *attrs)
{
return -EIO;
}
@@ -140,13 +146,15 @@ static int bad_inode_atomic_open(struct inode *inode, struct dentry *dentry,
return -EIO;
}
-static int bad_inode_tmpfile(struct inode *inode, struct dentry *dentry,
+static int bad_inode_tmpfile(struct user_namespace *mnt_userns,
+ struct inode *inode, struct dentry *dentry,
umode_t mode)
{
return -EIO;
}
-static int bad_inode_set_acl(struct inode *inode, struct posix_acl *acl,
+static int bad_inode_set_acl(struct user_namespace *mnt_userns,
+ struct inode *inode, struct posix_acl *acl,
int type)
{
return -EIO;
@@ -75,8 +75,8 @@ const struct file_operations bfs_dir_operations = {
.llseek = generic_file_llseek,
};
-static int bfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int bfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
int err;
struct inode *inode;
@@ -199,9 +199,9 @@ static int bfs_unlink(struct inode *dir, struct dentry *dentry)
return error;
}
-static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int bfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct inode *old_inode, *new_inode;
struct buffer_head *old_bh, *new_bh;
@@ -107,7 +107,8 @@ static int __btrfs_set_acl(struct btrfs_trans_handle *trans,
return ret;
}
-int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int btrfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
int ret;
umode_t old_mode = inode->i_mode;
@@ -3625,7 +3625,8 @@ static inline int __btrfs_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag)
/* acl.c */
#ifdef CONFIG_BTRFS_FS_POSIX_ACL
struct posix_acl *btrfs_get_acl(struct inode *inode, int type);
-int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+int btrfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
int btrfs_init_acl(struct btrfs_trans_handle *trans,
struct inode *inode, struct inode *dir);
#else
@@ -5045,7 +5045,8 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
return ret;
}
-static int btrfs_setattr(struct dentry *dentry, struct iattr *attr)
+static int btrfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct btrfs_root *root = BTRFS_I(inode)->root;
@@ -6352,8 +6353,8 @@ static int btrfs_add_nondir(struct btrfs_trans_handle *trans,
return err;
}
-static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
- umode_t mode, dev_t rdev)
+static int btrfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct btrfs_trans_handle *trans;
@@ -6416,8 +6417,8 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
return err;
}
-static int btrfs_create(struct inode *dir, struct dentry *dentry,
- umode_t mode, bool excl)
+static int btrfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct btrfs_trans_handle *trans;
@@ -6561,7 +6562,8 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
return err;
}
-static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int btrfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct inode *inode = NULL;
@@ -8816,7 +8818,8 @@ int __init btrfs_init_cachep(void)
return -ENOMEM;
}
-static int btrfs_getattr(const struct path *path, struct kstat *stat,
+static int btrfs_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags)
{
u64 delalloc_bytes;
@@ -9333,9 +9336,9 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
return ret;
}
-static int btrfs_rename2(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int btrfs_rename2(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT))
return -EINVAL;
@@ -9543,8 +9546,8 @@ int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, u64 nr,
return ret;
}
-static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+static int btrfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct btrfs_trans_handle *trans;
@@ -9878,7 +9881,8 @@ static int btrfs_set_page_dirty(struct page *page)
return __set_page_dirty_nobuffers(page);
}
-static int btrfs_permission(struct inode *inode, int mask)
+static int btrfs_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
umode_t mode = inode->i_mode;
@@ -9893,7 +9897,8 @@ static int btrfs_permission(struct inode *inode, int mask)
return generic_permission(&init_user_ns, inode, mask);
}
-static int btrfs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int btrfs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct btrfs_trans_handle *trans;
@@ -82,7 +82,8 @@ struct posix_acl *ceph_get_acl(struct inode *inode, int type)
return acl;
}
-int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int ceph_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
int ret = 0, size = 0;
const char *name = NULL;
@@ -823,8 +823,8 @@ int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry)
return PTR_ERR(result);
}
-static int ceph_mknod(struct inode *dir, struct dentry *dentry,
- umode_t mode, dev_t rdev)
+static int ceph_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_mds_request *req;
@@ -878,14 +878,14 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry,
return err;
}
-static int ceph_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int ceph_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
- return ceph_mknod(dir, dentry, mode, 0);
+ return ceph_mknod(mnt_userns, dir, dentry, mode, 0);
}
-static int ceph_symlink(struct inode *dir, struct dentry *dentry,
- const char *dest)
+static int ceph_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *dest)
{
struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_mds_request *req;
@@ -937,7 +937,8 @@ static int ceph_symlink(struct inode *dir, struct dentry *dentry,
return err;
}
-static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int ceph_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_mds_request *req;
@@ -1183,9 +1184,9 @@ static int ceph_unlink(struct inode *dir, struct dentry *dentry)
return err;
}
-static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int ceph_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(old_dir->i_sb);
struct ceph_mds_request *req;
@@ -2238,7 +2238,8 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr)
/*
* setattr
*/
-int ceph_setattr(struct dentry *dentry, struct iattr *attr)
+int ceph_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
@@ -2321,7 +2322,8 @@ int __ceph_do_getattr(struct inode *inode, struct page *locked_page,
* Check inode permissions. We verify we have a valid value for
* the AUTH cap, then call the generic handler.
*/
-int ceph_permission(struct inode *inode, int mask)
+int ceph_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask)
{
int err;
@@ -2368,8 +2370,8 @@ static int statx_to_caps(u32 want, umode_t mode)
* Get all the attributes. If we have sufficient caps for the requested attrs,
* then we can avoid talking to the MDS at all.
*/
-int ceph_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int ceph_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
struct inode *inode = d_inode(path->dentry);
struct ceph_inode_info *ci = ceph_inode(inode);
@@ -973,10 +973,13 @@ static inline int ceph_do_getattr(struct inode *inode, int mask, bool force)
{
return __ceph_do_getattr(inode, NULL, mask, force);
}
-extern int ceph_permission(struct inode *inode, int mask);
+extern int ceph_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask);
extern int __ceph_setattr(struct inode *inode, struct iattr *attr);
-extern int ceph_setattr(struct dentry *dentry, struct iattr *attr);
-extern int ceph_getattr(const struct path *path, struct kstat *stat,
+extern int ceph_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr);
+extern int ceph_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags);
/* xattr.c */
@@ -1037,7 +1040,8 @@ void ceph_release_acl_sec_ctx(struct ceph_acl_sec_ctx *as_ctx);
#ifdef CONFIG_CEPH_FS_POSIX_ACL
struct posix_acl *ceph_get_acl(struct inode *, int);
-int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+int ceph_set_acl(struct user_namespace *mnt_userns,
+ struct inode *inode, struct posix_acl *acl, int type);
int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
struct ceph_acl_sec_ctx *as_ctx);
void ceph_init_inode_acls(struct inode *inode,
@@ -305,7 +305,8 @@ static long cifs_fallocate(struct file *file, int mode, loff_t off, loff_t len)
return -EOPNOTSUPP;
}
-static int cifs_permission(struct inode *inode, int mask)
+static int cifs_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
struct cifs_sb_info *cifs_sb;
@@ -62,19 +62,22 @@ extern void cifs_sb_deactive(struct super_block *sb);
/* Functions related to inodes */
extern const struct inode_operations cifs_dir_inode_ops;
extern struct inode *cifs_root_iget(struct super_block *);
-extern int cifs_create(struct inode *, struct dentry *, umode_t,
- bool excl);
+extern int cifs_create(struct user_namespace *, struct inode *,
+ struct dentry *, umode_t, bool excl);
extern int cifs_atomic_open(struct inode *, struct dentry *,
struct file *, unsigned, umode_t);
extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
unsigned int);
extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
-extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
-extern int cifs_mkdir(struct inode *, struct dentry *, umode_t);
+extern int cifs_mknod(struct user_namespace *, struct inode *, struct dentry *,
+ umode_t, dev_t);
+extern int cifs_mkdir(struct user_namespace *, struct inode *, struct dentry *,
+ umode_t);
extern int cifs_rmdir(struct inode *, struct dentry *);
-extern int cifs_rename2(struct inode *, struct dentry *, struct inode *,
- struct dentry *, unsigned int);
+extern int cifs_rename2(struct user_namespace *, struct inode *,
+ struct dentry *, struct inode *, struct dentry *,
+ unsigned int);
extern int cifs_revalidate_file_attr(struct file *filp);
extern int cifs_revalidate_dentry_attr(struct dentry *);
extern int cifs_revalidate_file(struct file *filp);
@@ -82,8 +85,10 @@ extern int cifs_revalidate_dentry(struct dentry *);
extern int cifs_invalidate_mapping(struct inode *inode);
extern int cifs_revalidate_mapping(struct inode *inode);
extern int cifs_zap_mapping(struct inode *inode);
-extern int cifs_getattr(const struct path *, struct kstat *, u32, unsigned int);
-extern int cifs_setattr(struct dentry *, struct iattr *);
+extern int cifs_getattr(struct user_namespace *, const struct path *,
+ struct kstat *, u32, unsigned int);
+extern int cifs_setattr(struct user_namespace *, struct dentry *,
+ struct iattr *);
extern int cifs_fiemap(struct inode *, struct fiemap_extent_info *, u64 start,
u64 len);
@@ -132,8 +137,8 @@ extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
/* Functions related to symlinks */
extern const char *cifs_get_link(struct dentry *, struct inode *,
struct delayed_call *);
-extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
- const char *symname);
+extern int cifs_symlink(struct user_namespace *mnt_userns, struct inode *inode,
+ struct dentry *direntry, const char *symname);
#ifdef CONFIG_CIFS_XATTR
extern const struct xattr_handler *cifs_xattr_handlers[];
@@ -567,8 +567,8 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry,
return rc;
}
-int cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode,
- bool excl)
+int cifs_create(struct user_namespace *mnt_userns, struct inode *inode,
+ struct dentry *direntry, umode_t mode, bool excl)
{
int rc;
unsigned int xid = get_xid();
@@ -611,8 +611,8 @@ int cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode,
return rc;
}
-int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode,
- dev_t device_number)
+int cifs_mknod(struct user_namespace *mnt_userns, struct inode *inode,
+ struct dentry *direntry, umode_t mode, dev_t device_number)
{
int rc = -EPERM;
unsigned int xid;
@@ -1857,7 +1857,8 @@ cifs_posix_mkdir(struct inode *inode, struct dentry *dentry, umode_t mode,
goto posix_mkdir_out;
}
-int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode)
+int cifs_mkdir(struct user_namespace *mnt_userns, struct inode *inode,
+ struct dentry *direntry, umode_t mode)
{
int rc = 0;
unsigned int xid;
@@ -2067,9 +2068,9 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
}
int
-cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
- struct inode *target_dir, struct dentry *target_dentry,
- unsigned int flags)
+cifs_rename2(struct user_namespace *mnt_userns, struct inode *source_dir,
+ struct dentry *source_dentry, struct inode *target_dir,
+ struct dentry *target_dentry, unsigned int flags)
{
char *from_name = NULL;
char *to_name = NULL;
@@ -2370,8 +2371,8 @@ int cifs_revalidate_dentry(struct dentry *dentry)
return cifs_revalidate_mapping(inode);
}
-int cifs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int cifs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
struct dentry *dentry = path->dentry;
struct cifs_sb_info *cifs_sb = CIFS_SB(dentry->d_sb);
@@ -2923,7 +2924,8 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
}
int
-cifs_setattr(struct dentry *direntry, struct iattr *attrs)
+cifs_setattr(struct user_namespace *mnt_userns, struct dentry *direntry,
+ struct iattr *attrs)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
struct cifs_tcon *pTcon = cifs_sb_master_tcon(cifs_sb);
@@ -661,7 +661,8 @@ cifs_get_link(struct dentry *direntry, struct inode *inode,
}
int
-cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname)
+cifs_symlink(struct user_namespace *mnt_userns, struct inode *inode,
+ struct dentry *direntry, const char *symname)
{
int rc = -EOPNOTSUPP;
unsigned int xid;
@@ -46,10 +46,12 @@ extern const struct file_operations coda_ioctl_operations;
/* operations shared over more than one file */
int coda_open(struct inode *i, struct file *f);
int coda_release(struct inode *i, struct file *f);
-int coda_permission(struct inode *inode, int mask);
+int coda_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask);
int coda_revalidate_inode(struct inode *);
-int coda_getattr(const struct path *, struct kstat *, u32, unsigned int);
-int coda_setattr(struct dentry *, struct iattr *);
+int coda_getattr(struct user_namespace *, const struct path *, struct kstat *,
+ u32, unsigned int);
+int coda_setattr(struct user_namespace *, struct dentry *, struct iattr *);
/* this file: heloers */
char *coda_f2s(struct CodaFid *f);
@@ -73,7 +73,8 @@ static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, unsig
}
-int coda_permission(struct inode *inode, int mask)
+int coda_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask)
{
int error;
@@ -132,7 +133,8 @@ static inline void coda_dir_drop_nlink(struct inode *dir)
}
/* creation routines: create, mknod, mkdir, link, symlink */
-static int coda_create(struct inode *dir, struct dentry *de, umode_t mode, bool excl)
+static int coda_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *de, umode_t mode, bool excl)
{
int error;
const char *name=de->d_name.name;
@@ -164,7 +166,8 @@ static int coda_create(struct inode *dir, struct dentry *de, umode_t mode, bool
return error;
}
-static int coda_mkdir(struct inode *dir, struct dentry *de, umode_t mode)
+static int coda_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *de, umode_t mode)
{
struct inode *inode;
struct coda_vattr attrs;
@@ -225,7 +228,8 @@ static int coda_link(struct dentry *source_de, struct inode *dir_inode,
}
-static int coda_symlink(struct inode *dir_inode, struct dentry *de,
+static int coda_symlink(struct user_namespace *mnt_userns,
+ struct inode *dir_inode, struct dentry *de,
const char *symname)
{
const char *name = de->d_name.name;
@@ -291,9 +295,9 @@ static int coda_rmdir(struct inode *dir, struct dentry *de)
}
/* rename */
-static int coda_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int coda_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
const char *old_name = old_dentry->d_name.name;
const char *new_name = new_dentry->d_name.name;
@@ -251,8 +251,8 @@ static void coda_evict_inode(struct inode *inode)
coda_cache_clear_inode(inode);
}
-int coda_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int coda_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
int err = coda_revalidate_inode(d_inode(path->dentry));
if (!err)
@@ -260,7 +260,8 @@ int coda_getattr(const struct path *path, struct kstat *stat,
return err;
}
-int coda_setattr(struct dentry *de, struct iattr *iattr)
+int coda_setattr(struct user_namespace *mnt_userns, struct dentry *de,
+ struct iattr *iattr)
{
struct inode *inode = d_inode(de);
struct coda_vattr vattr;
@@ -24,7 +24,8 @@
#include "coda_linux.h"
/* pioctl ops */
-static int coda_ioctl_permission(struct inode *inode, int mask);
+static int coda_ioctl_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask);
static long coda_pioctl(struct file *filp, unsigned int cmd,
unsigned long user_data);
@@ -40,7 +41,8 @@ const struct file_operations coda_ioctl_operations = {
};
/* the coda pioctl inode ops */
-static int coda_ioctl_permission(struct inode *inode, int mask)
+static int coda_ioctl_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
return (mask & MAY_EXEC) ? -EACCES : 0;
}
@@ -79,7 +79,8 @@ extern void configfs_hash_and_remove(struct dentry * dir, const char * name);
extern const unsigned char * configfs_get_name(struct configfs_dirent *sd);
extern void configfs_drop_dentry(struct configfs_dirent *sd, struct dentry *parent);
-extern int configfs_setattr(struct dentry *dentry, struct iattr *iattr);
+extern int configfs_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *iattr);
extern struct dentry *configfs_pin_fs(void);
extern void configfs_release_fs(void);
@@ -92,7 +93,8 @@ extern const struct inode_operations configfs_root_inode_operations;
extern const struct inode_operations configfs_symlink_inode_operations;
extern const struct dentry_operations configfs_dentry_ops;
-extern int configfs_symlink(struct inode *dir, struct dentry *dentry,
+extern int configfs_symlink(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
const char *symname);
extern int configfs_unlink(struct inode *dir, struct dentry *dentry);
@@ -1268,7 +1268,8 @@ int configfs_depend_item_unlocked(struct configfs_subsystem *caller_subsys,
}
EXPORT_SYMBOL(configfs_depend_item_unlocked);
-static int configfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int configfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
int ret = 0;
int module_got = 0;
@@ -40,7 +40,8 @@ static const struct inode_operations configfs_inode_operations ={
.setattr = configfs_setattr,
};
-int configfs_setattr(struct dentry * dentry, struct iattr * iattr)
+int configfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr)
{
struct inode * inode = d_inode(dentry);
struct configfs_dirent * sd = dentry->d_fsdata;
@@ -67,7 +68,7 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr)
}
/* attributes were changed atleast once in past */
- error = simple_setattr(dentry, iattr);
+ error = simple_setattr(mnt_userns, dentry, iattr);
if (error)
return error;
@@ -139,7 +139,8 @@ static int get_target(const char *symname, struct path *path,
}
-int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
+int configfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
int ret;
struct path path;
@@ -42,13 +42,14 @@ static unsigned int debugfs_allow = DEFAULT_DEBUGFS_ALLOW_BITS;
* so that we can use the file mode as part of a heuristic to determine whether
* to lock down individual files.
*/
-static int debugfs_setattr(struct dentry *dentry, struct iattr *ia)
+static int debugfs_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *ia)
{
int ret = security_locked_down(LOCKDOWN_DEBUGFS);
if (ret && (ia->ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID)))
return ret;
- return simple_setattr(dentry, ia);
+ return simple_setattr(&init_user_ns, dentry, ia);
}
static const struct inode_operations debugfs_file_inode_operations = {
@@ -775,8 +776,8 @@ struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
take_dentry_name_snapshot(&old_name, old_dentry);
- error = simple_rename(d_inode(old_dir), old_dentry, d_inode(new_dir),
- dentry, 0);
+ error = simple_rename(&init_user_ns, d_inode(old_dir), old_dentry,
+ d_inode(new_dir), dentry, 0);
if (error) {
release_dentry_name_snapshot(&old_name);
goto exit;
@@ -257,7 +257,8 @@ int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,
* Returns zero on success; non-zero on error condition
*/
static int
-ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry,
+ecryptfs_create(struct user_namespace *mnt_userns,
+ struct inode *directory_inode, struct dentry *ecryptfs_dentry,
umode_t mode, bool excl)
{
struct inode *ecryptfs_inode;
@@ -463,7 +464,8 @@ static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry)
return ecryptfs_do_unlink(dir, dentry, d_inode(dentry));
}
-static int ecryptfs_symlink(struct inode *dir, struct dentry *dentry,
+static int ecryptfs_symlink(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
const char *symname)
{
int rc;
@@ -502,7 +504,8 @@ static int ecryptfs_symlink(struct inode *dir, struct dentry *dentry,
return rc;
}
-static int ecryptfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int ecryptfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
int rc;
struct dentry *lower_dentry;
@@ -559,7 +562,8 @@ static int ecryptfs_rmdir(struct inode *dir, struct dentry *dentry)
}
static int
-ecryptfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
+ecryptfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t dev)
{
int rc;
struct dentry *lower_dentry;
@@ -584,9 +588,9 @@ ecryptfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev
}
static int
-ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+ecryptfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
int rc;
struct dentry *lower_old_dentry;
@@ -874,7 +878,8 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
}
static int
-ecryptfs_permission(struct inode *inode, int mask)
+ecryptfs_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask)
{
return inode_permission(&init_user_ns,
ecryptfs_inode_to_lower(inode), mask);
@@ -892,7 +897,8 @@ ecryptfs_permission(struct inode *inode, int mask)
* All other metadata changes will be passed right to the lower filesystem,
* and we will just update our inode to look like the lower.
*/
-static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
+static int ecryptfs_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *ia)
{
int rc = 0;
struct dentry *lower_dentry;
@@ -979,7 +985,8 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
return rc;
}
-static int ecryptfs_getattr_link(const struct path *path, struct kstat *stat,
+static int ecryptfs_getattr_link(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags)
{
struct dentry *dentry = path->dentry;
@@ -1004,7 +1011,8 @@ static int ecryptfs_getattr_link(const struct path *path, struct kstat *stat,
return rc;
}
-static int ecryptfs_getattr(const struct path *path, struct kstat *stat,
+static int ecryptfs_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags)
{
struct dentry *dentry = path->dentry;
@@ -66,8 +66,8 @@ bool efivarfs_valid_name(const char *str, int len)
return uuid_is_valid(s);
}
-static int efivarfs_create(struct inode *dir, struct dentry *dentry,
- umode_t mode, bool excl)
+static int efivarfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct inode *inode = NULL;
struct efivar_entry *var;
@@ -331,8 +331,9 @@ struct inode *erofs_iget(struct super_block *sb,
return inode;
}
-int erofs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+int erofs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask,
+ unsigned int query_flags)
{
struct inode *const inode = d_inode(path->dentry);
@@ -373,8 +373,9 @@ extern const struct inode_operations erofs_symlink_iops;
extern const struct inode_operations erofs_fast_symlink_iops;
struct inode *erofs_iget(struct super_block *sb, erofs_nid_t nid, bool dir);
-int erofs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags);
+int erofs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask,
+ unsigned int query_flags);
/* namei.c */
extern const struct inode_operations erofs_dir_iops;
@@ -416,9 +416,11 @@ int exfat_count_used_clusters(struct super_block *sb, unsigned int *ret_count);
extern const struct file_operations exfat_file_operations;
int __exfat_truncate(struct inode *inode, loff_t new_size);
void exfat_truncate(struct inode *inode, loff_t size);
-int exfat_setattr(struct dentry *dentry, struct iattr *attr);
-int exfat_getattr(const struct path *path, struct kstat *stat,
- unsigned int request_mask, unsigned int query_flags);
+int exfat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr);
+int exfat_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, unsigned int request_mask,
+ unsigned int query_flags);
int exfat_file_fsync(struct file *file, loff_t start, loff_t end, int datasync);
/* namei.c */
@@ -267,8 +267,9 @@ void exfat_truncate(struct inode *inode, loff_t size)
mutex_unlock(&sbi->s_lock);
}
-int exfat_getattr(const struct path *path, struct kstat *stat,
- unsigned int request_mask, unsigned int query_flags)
+int exfat_getattr(struct user_namespace *mnt_uerns, const struct path *path,
+ struct kstat *stat, unsigned int request_mask,
+ unsigned int query_flags)
{
struct inode *inode = d_backing_inode(path->dentry);
struct exfat_inode_info *ei = EXFAT_I(inode);
@@ -282,7 +283,8 @@ int exfat_getattr(const struct path *path, struct kstat *stat,
return 0;
}
-int exfat_setattr(struct dentry *dentry, struct iattr *attr)
+int exfat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct exfat_sb_info *sbi = EXFAT_SB(dentry->d_sb);
struct inode *inode = dentry->d_inode;
@@ -541,8 +541,8 @@ static int exfat_add_entry(struct inode *inode, const char *path,
return ret;
}
-static int exfat_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int exfat_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct super_block *sb = dir->i_sb;
struct inode *inode;
@@ -827,7 +827,8 @@ static int exfat_unlink(struct inode *dir, struct dentry *dentry)
return err;
}
-static int exfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int exfat_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct super_block *sb = dir->i_sb;
struct inode *inode;
@@ -1318,9 +1319,10 @@ static int __exfat_rename(struct inode *old_parent_inode,
return ret;
}
-static int exfat_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int exfat_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode *old_inode, *new_inode;
struct super_block *sb = old_dir->i_sb;
@@ -216,7 +216,8 @@ __ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
* inode->i_mutex: down
*/
int
-ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+ext2_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
int error;
int update_mode = 0;
@@ -56,7 +56,8 @@ static inline int ext2_acl_count(size_t size)
/* acl.c */
extern struct posix_acl *ext2_get_acl(struct inode *inode, int type);
-extern int ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+extern int ext2_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
extern int ext2_init_acl (struct inode *, struct inode *);
#else
@@ -764,8 +764,9 @@ extern struct inode *ext2_iget (struct super_block *, unsigned long);
extern int ext2_write_inode (struct inode *, struct writeback_control *);
extern void ext2_evict_inode(struct inode *);
extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int);
-extern int ext2_setattr (struct dentry *, struct iattr *);
-extern int ext2_getattr (const struct path *, struct kstat *, u32, unsigned int);
+extern int ext2_setattr (struct user_namespace *, struct dentry *, struct iattr *);
+extern int ext2_getattr (struct user_namespace *, const struct path *,
+ struct kstat *, u32, unsigned int);
extern void ext2_set_inode_flags(struct inode *inode);
extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len);
@@ -1638,8 +1638,8 @@ int ext2_write_inode(struct inode *inode, struct writeback_control *wbc)
return __ext2_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
}
-int ext2_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+int ext2_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
struct ext2_inode_info *ei = EXT2_I(inode);
@@ -1664,7 +1664,8 @@ int ext2_getattr(const struct path *path, struct kstat *stat,
return 0;
}
-int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
+int ext2_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr)
{
struct inode *inode = d_inode(dentry);
int error;
@@ -100,7 +100,9 @@ struct dentry *ext2_get_parent(struct dentry *child)
* If the create succeeds, we fill in the inode information
* with d_instantiate().
*/
-static int ext2_create (struct inode * dir, struct dentry * dentry, umode_t mode, bool excl)
+static int ext2_create (struct user_namespace * mnt_userns,
+ struct inode * dir, struct dentry * dentry,
+ umode_t mode, bool excl)
{
struct inode *inode;
int err;
@@ -118,7 +120,8 @@ static int ext2_create (struct inode * dir, struct dentry * dentry, umode_t mode
return ext2_add_nondir(dentry, inode);
}
-static int ext2_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int ext2_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode *inode = ext2_new_inode(dir, mode, NULL);
if (IS_ERR(inode))
@@ -131,7 +134,8 @@ static int ext2_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
return 0;
}
-static int ext2_mknod (struct inode * dir, struct dentry *dentry, umode_t mode, dev_t rdev)
+static int ext2_mknod (struct user_namespace * mnt_userns, struct inode * dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct inode * inode;
int err;
@@ -151,8 +155,8 @@ static int ext2_mknod (struct inode * dir, struct dentry *dentry, umode_t mode,
return err;
}
-static int ext2_symlink (struct inode * dir, struct dentry * dentry,
- const char * symname)
+static int ext2_symlink (struct user_namespace * mnt_userns, struct inode * dir,
+ struct dentry * dentry, const char * symname)
{
struct super_block * sb = dir->i_sb;
int err = -ENAMETOOLONG;
@@ -225,7 +229,8 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir,
return err;
}
-static int ext2_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode)
+static int ext2_mkdir(struct user_namespace * mnt_userns,
+ struct inode * dir, struct dentry * dentry, umode_t mode)
{
struct inode * inode;
int err;
@@ -315,8 +320,9 @@ static int ext2_rmdir (struct inode * dir, struct dentry *dentry)
return err;
}
-static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
- struct inode * new_dir, struct dentry * new_dentry,
+static int ext2_rename (struct user_namespace * mnt_userns,
+ struct inode * old_dir, struct dentry * old_dentry,
+ struct inode * new_dir, struct dentry * new_dentry,
unsigned int flags)
{
struct inode * old_inode = d_inode(old_dentry);
@@ -222,7 +222,8 @@ __ext4_set_acl(handle_t *handle, struct inode *inode, int type,
}
int
-ext4_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+ext4_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
handle_t *handle;
int error, credits, retries = 0;
@@ -56,7 +56,8 @@ static inline int ext4_acl_count(size_t size)
/* acl.c */
struct posix_acl *ext4_get_acl(struct inode *inode, int type);
-int ext4_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+int ext4_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
extern int ext4_init_acl(handle_t *, struct inode *, struct inode *);
#else /* CONFIG_EXT4_FS_POSIX_ACL */
@@ -2877,11 +2877,14 @@ extern struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
__ext4_iget((sb), (ino), (flags), __func__, __LINE__)
extern int ext4_write_inode(struct inode *, struct writeback_control *);
-extern int ext4_setattr(struct dentry *, struct iattr *);
-extern int ext4_getattr(const struct path *, struct kstat *, u32, unsigned int);
+extern int ext4_setattr(struct user_namespace *, struct dentry *,
+ struct iattr *);
+extern int ext4_getattr(struct user_namespace *, const struct path *,
+ struct kstat *, u32, unsigned int);
extern void ext4_evict_inode(struct inode *);
extern void ext4_clear_inode(struct inode *);
-extern int ext4_file_getattr(const struct path *, struct kstat *, u32, unsigned int);
+extern int ext4_file_getattr(struct user_namespace *, const struct path *,
+ struct kstat *, u32, unsigned int);
extern int ext4_sync_inode(handle_t *, struct inode *);
extern void ext4_dirty_inode(struct inode *, int);
extern int ext4_change_inode_journal_flag(struct inode *, int);
@@ -5319,7 +5319,8 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode)
*
* Called with inode->i_mutex down.
*/
-int ext4_setattr(struct dentry *dentry, struct iattr *attr)
+int ext4_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error, rc = 0;
@@ -5535,8 +5536,8 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
return error;
}
-int ext4_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+int ext4_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
struct ext4_inode *raw_inode;
@@ -5575,13 +5576,14 @@ int ext4_getattr(const struct path *path, struct kstat *stat,
return 0;
}
-int ext4_file_getattr(const struct path *path, struct kstat *stat,
+int ext4_file_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
u64 delalloc_blocks;
- ext4_getattr(path, stat, request_mask, query_flags);
+ ext4_getattr(&init_user_ns, path, stat, request_mask, query_flags);
/*
* If there is inline data in the inode, the inode will normally not
@@ -2596,8 +2596,8 @@ static int ext4_add_nondir(handle_t *handle,
* If the create succeeds, we fill in the inode information
* with d_instantiate().
*/
-static int ext4_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int ext4_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
handle_t *handle;
struct inode *inode;
@@ -2631,8 +2631,8 @@ static int ext4_create(struct inode *dir, struct dentry *dentry, umode_t mode,
return err;
}
-static int ext4_mknod(struct inode *dir, struct dentry *dentry,
- umode_t mode, dev_t rdev)
+static int ext4_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
handle_t *handle;
struct inode *inode;
@@ -2665,7 +2665,8 @@ static int ext4_mknod(struct inode *dir, struct dentry *dentry,
return err;
}
-static int ext4_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int ext4_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
handle_t *handle;
struct inode *inode;
@@ -2774,7 +2775,8 @@ int ext4_init_new_dir(handle_t *handle, struct inode *dir,
return err;
}
-static int ext4_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int ext4_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
handle_t *handle;
struct inode *inode;
@@ -3292,7 +3294,7 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
return retval;
}
-static int ext4_symlink(struct inode *dir,
+static int ext4_symlink(struct user_namespace *mnt_userns, struct inode *dir,
struct dentry *dentry, const char *symname)
{
handle_t *handle;
@@ -4085,7 +4087,8 @@ static int ext4_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
return retval;
}
-static int ext4_rename2(struct inode *old_dir, struct dentry *old_dentry,
+static int ext4_rename2(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -249,7 +249,8 @@ static int __f2fs_set_acl(struct inode *inode, int type,
return error;
}
-int f2fs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int f2fs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
return -EIO;
@@ -34,7 +34,8 @@ struct f2fs_acl_header {
#ifdef CONFIG_F2FS_FS_POSIX_ACL
extern struct posix_acl *f2fs_get_acl(struct inode *, int);
-extern int f2fs_set_acl(struct inode *, struct posix_acl *, int);
+extern int f2fs_set_acl(struct user_namespace *, struct inode *,
+ struct posix_acl *, int);
extern int f2fs_init_acl(struct inode *, struct inode *, struct page *,
struct page *);
#else
@@ -3135,9 +3135,10 @@ void f2fs_truncate_data_blocks(struct dnode_of_data *dn);
int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock);
int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock);
int f2fs_truncate(struct inode *inode);
-int f2fs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags);
-int f2fs_setattr(struct dentry *dentry, struct iattr *attr);
+int f2fs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags);
+int f2fs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr);
int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count);
int f2fs_precache_extents(struct inode *inode);
@@ -783,8 +783,8 @@ int f2fs_truncate(struct inode *inode)
return 0;
}
-int f2fs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+int f2fs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
struct f2fs_inode_info *fi = F2FS_I(inode);
@@ -859,7 +859,8 @@ static void __setattr_copy(struct user_namespace *mnt_userns,
#define __setattr_copy setattr_copy
#endif
-int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
+int f2fs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int err;
@@ -314,8 +314,8 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
}
}
-static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
@@ -637,8 +637,8 @@ static const char *f2fs_get_link(struct dentry *dentry,
return link;
}
-static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+static int f2fs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
@@ -717,7 +717,8 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
return err;
}
-static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int f2fs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
@@ -770,8 +771,8 @@ static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
return -ENOTEMPTY;
}
-static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
- umode_t mode, dev_t rdev)
+static int f2fs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
@@ -874,7 +875,8 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
return err;
}
-static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
@@ -1247,7 +1249,8 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
return err;
}
-static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry,
+static int f2fs_rename2(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -397,9 +397,11 @@ extern long fat_generic_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
extern const struct file_operations fat_file_operations;
extern const struct inode_operations fat_file_inode_operations;
-extern int fat_setattr(struct dentry *dentry, struct iattr *attr);
+extern int fat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr);
extern void fat_truncate_blocks(struct inode *inode, loff_t offset);
-extern int fat_getattr(const struct path *path, struct kstat *stat,
+extern int fat_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags);
extern int fat_file_fsync(struct file *file, loff_t start, loff_t end,
int datasync);
@@ -95,7 +95,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
goto out_unlock_inode;
/* This MUST be done before doing anything irreversible... */
- err = fat_setattr(file->f_path.dentry, &ia);
+ err = fat_setattr(file_mnt_user_ns(file), file->f_path.dentry, &ia);
if (err)
goto out_unlock_inode;
@@ -394,8 +394,8 @@ void fat_truncate_blocks(struct inode *inode, loff_t offset)
fat_flush_inodes(inode->i_sb, inode, NULL);
}
-int fat_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int fat_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
struct inode *inode = d_inode(path->dentry);
generic_fillattr(&init_user_ns, inode, stat);
@@ -466,7 +466,8 @@ static int fat_allow_set_time(struct msdos_sb_info *sbi, struct inode *inode)
/* valid file mode bits */
#define FAT_VALID_MODE (S_IFREG | S_IFDIR | S_IRWXUGO)
-int fat_setattr(struct dentry *dentry, struct iattr *attr)
+int fat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb);
struct inode *inode = d_inode(dentry);
@@ -261,8 +261,8 @@ static int msdos_add_entry(struct inode *dir, const unsigned char *name,
}
/***** Create a file */
-static int msdos_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int msdos_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct super_block *sb = dir->i_sb;
struct inode *inode = NULL;
@@ -339,7 +339,8 @@ static int msdos_rmdir(struct inode *dir, struct dentry *dentry)
}
/***** Make a directory */
-static int msdos_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int msdos_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct super_block *sb = dir->i_sb;
struct fat_slot_info sinfo;
@@ -593,7 +594,8 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
}
/***** Rename, a wrapper for rename_same_dir & rename_diff_dir */
-static int msdos_rename(struct inode *old_dir, struct dentry *old_dentry,
+static int msdos_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -756,8 +756,8 @@ static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry,
return ERR_PTR(err);
}
-static int vfat_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int vfat_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct super_block *sb = dir->i_sb;
struct inode *inode;
@@ -846,7 +846,8 @@ static int vfat_unlink(struct inode *dir, struct dentry *dentry)
return err;
}
-static int vfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int vfat_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct super_block *sb = dir->i_sb;
struct inode *inode;
@@ -892,9 +893,9 @@ static int vfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
return err;
}
-static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int vfat_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct buffer_head *dotdot_bh;
struct msdos_dir_entry *dotdot_de;
@@ -50,7 +50,8 @@ struct posix_acl *fuse_get_acl(struct inode *inode, int type)
return acl;
}
-int fuse_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int fuse_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
struct fuse_conn *fc = get_fuse_conn(inode);
const char *name;
@@ -605,7 +605,8 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
return err;
}
-static int fuse_mknod(struct inode *, struct dentry *, umode_t, dev_t);
+static int fuse_mknod(struct user_namespace *, struct inode *, struct dentry *,
+ umode_t, dev_t);
static int fuse_atomic_open(struct inode *dir, struct dentry *entry,
struct file *file, unsigned flags,
umode_t mode)
@@ -645,7 +646,7 @@ static int fuse_atomic_open(struct inode *dir, struct dentry *entry,
return err;
mknod:
- err = fuse_mknod(dir, entry, mode, 0);
+ err = fuse_mknod(&init_user_ns, dir, entry, mode, 0);
if (err)
goto out_dput;
no_open:
@@ -715,8 +716,8 @@ static int create_new_entry(struct fuse_mount *fm, struct fuse_args *args,
return err;
}
-static int fuse_mknod(struct inode *dir, struct dentry *entry, umode_t mode,
- dev_t rdev)
+static int fuse_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *entry, umode_t mode, dev_t rdev)
{
struct fuse_mknod_in inarg;
struct fuse_mount *fm = get_fuse_mount(dir);
@@ -738,13 +739,14 @@ static int fuse_mknod(struct inode *dir, struct dentry *entry, umode_t mode,
return create_new_entry(fm, &args, dir, entry, mode);
}
-static int fuse_create(struct inode *dir, struct dentry *entry, umode_t mode,
- bool excl)
+static int fuse_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *entry, umode_t mode, bool excl)
{
- return fuse_mknod(dir, entry, mode, 0);
+ return fuse_mknod(&init_user_ns, dir, entry, mode, 0);
}
-static int fuse_mkdir(struct inode *dir, struct dentry *entry, umode_t mode)
+static int fuse_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *entry, umode_t mode)
{
struct fuse_mkdir_in inarg;
struct fuse_mount *fm = get_fuse_mount(dir);
@@ -765,8 +767,8 @@ static int fuse_mkdir(struct inode *dir, struct dentry *entry, umode_t mode)
return create_new_entry(fm, &args, dir, entry, S_IFDIR);
}
-static int fuse_symlink(struct inode *dir, struct dentry *entry,
- const char *link)
+static int fuse_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *entry, const char *link)
{
struct fuse_mount *fm = get_fuse_mount(dir);
unsigned len = strlen(link) + 1;
@@ -908,9 +910,9 @@ static int fuse_rename_common(struct inode *olddir, struct dentry *oldent,
return err;
}
-static int fuse_rename2(struct inode *olddir, struct dentry *oldent,
- struct inode *newdir, struct dentry *newent,
- unsigned int flags)
+static int fuse_rename2(struct user_namespace *mnt_userns, struct inode *olddir,
+ struct dentry *oldent, struct inode *newdir,
+ struct dentry *newent, unsigned int flags)
{
struct fuse_conn *fc = get_fuse_conn(olddir);
int err;
@@ -1249,7 +1251,8 @@ static int fuse_perm_getattr(struct inode *inode, int mask)
* access request is sent. Execute permission is still checked
* locally based on file mode.
*/
-static int fuse_permission(struct inode *inode, int mask)
+static int fuse_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
struct fuse_conn *fc = get_fuse_conn(inode);
bool refreshed = false;
@@ -1757,7 +1760,8 @@ int fuse_do_setattr(struct dentry *dentry, struct iattr *attr,
return err;
}
-static int fuse_setattr(struct dentry *entry, struct iattr *attr)
+static int fuse_setattr(struct user_namespace *mnt_userns, struct dentry *entry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(entry);
struct fuse_conn *fc = get_fuse_conn(inode);
@@ -1819,7 +1823,8 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr)
return ret;
}
-static int fuse_getattr(const struct path *path, struct kstat *stat,
+static int fuse_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags)
{
struct inode *inode = d_inode(path->dentry);
@@ -1180,8 +1180,8 @@ extern const struct xattr_handler *fuse_no_acl_xattr_handlers[];
struct posix_acl;
struct posix_acl *fuse_get_acl(struct inode *inode, int type);
-int fuse_set_acl(struct inode *inode, struct posix_acl *acl, int type);
-
+int fuse_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
/* readdir.c */
int fuse_readdir(struct file *file, struct dir_context *ctx);
@@ -106,7 +106,8 @@ int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
return error;
}
-int gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int gfs2_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
@@ -13,6 +13,7 @@
extern struct posix_acl *gfs2_get_acl(struct inode *inode, int type);
extern int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
-extern int gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+extern int gfs2_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
#endif /* __ACL_DOT_H__ */
@@ -256,7 +256,7 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask,
!capable(CAP_LINUX_IMMUTABLE))
goto out;
if (!IS_IMMUTABLE(inode)) {
- error = gfs2_permission(inode, MAY_WRITE);
+ error = gfs2_permission(&init_user_ns, inode, MAY_WRITE);
if (error)
goto out;
}
@@ -325,7 +325,7 @@ struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
}
if (!is_root) {
- error = gfs2_permission(dir, MAY_EXEC);
+ error = gfs2_permission(&init_user_ns, dir, MAY_EXEC);
if (error)
goto out;
}
@@ -355,7 +355,8 @@ static int create_ok(struct gfs2_inode *dip, const struct qstr *name,
{
int error;
- error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);
+ error = gfs2_permission(&init_user_ns, &dip->i_inode,
+ MAY_WRITE | MAY_EXEC);
if (error)
return error;
@@ -843,8 +844,8 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
* Returns: errno
*/
-static int gfs2_create(struct inode *dir, struct dentry *dentry,
- umode_t mode, bool excl)
+static int gfs2_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
return gfs2_create_inode(dir, dentry, NULL, S_IFREG | mode, 0, NULL, 0, excl);
}
@@ -951,7 +952,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
if (inode->i_nlink == 0)
goto out_gunlock;
- error = gfs2_permission(dir, MAY_WRITE | MAY_EXEC);
+ error = gfs2_permission(&init_user_ns, dir, MAY_WRITE | MAY_EXEC);
if (error)
goto out_gunlock;
@@ -1068,7 +1069,8 @@ static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
if (IS_APPEND(&dip->i_inode))
return -EPERM;
- error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);
+ error = gfs2_permission(&init_user_ns, &dip->i_inode,
+ MAY_WRITE | MAY_EXEC);
if (error)
return error;
@@ -1204,8 +1206,8 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
* Returns: errno
*/
-static int gfs2_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+static int gfs2_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
unsigned int size;
@@ -1225,7 +1227,8 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry,
* Returns: errno
*/
-static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int gfs2_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
unsigned dsize = gfs2_max_stuffed_size(GFS2_I(dir));
return gfs2_create_inode(dir, dentry, NULL, S_IFDIR | mode, 0, NULL, dsize, 0);
@@ -1240,8 +1243,8 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
*
*/
-static int gfs2_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
- dev_t dev)
+static int gfs2_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t dev)
{
return gfs2_create_inode(dir, dentry, NULL, mode, dev, NULL, 0, 0);
}
@@ -1490,7 +1493,8 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
}
}
} else {
- error = gfs2_permission(ndir, MAY_WRITE | MAY_EXEC);
+ error = gfs2_permission(&init_user_ns, ndir,
+ MAY_WRITE | MAY_EXEC);
if (error)
goto out_gunlock;
@@ -1525,7 +1529,8 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
/* Check out the dir to be renamed */
if (dir_rename) {
- error = gfs2_permission(d_inode(odentry), MAY_WRITE);
+ error = gfs2_permission(&init_user_ns, d_inode(odentry),
+ MAY_WRITE);
if (error)
goto out_gunlock;
}
@@ -1688,12 +1693,14 @@ static int gfs2_exchange(struct inode *odir, struct dentry *odentry,
goto out_gunlock;
if (S_ISDIR(old_mode)) {
- error = gfs2_permission(odentry->d_inode, MAY_WRITE);
+ error = gfs2_permission(&init_user_ns, odentry->d_inode,
+ MAY_WRITE);
if (error)
goto out_gunlock;
}
if (S_ISDIR(new_mode)) {
- error = gfs2_permission(ndentry->d_inode, MAY_WRITE);
+ error = gfs2_permission(&init_user_ns, ndentry->d_inode,
+ MAY_WRITE);
if (error)
goto out_gunlock;
}
@@ -1747,9 +1754,9 @@ static int gfs2_exchange(struct inode *odir, struct dentry *odentry,
return error;
}
-static int gfs2_rename2(struct inode *odir, struct dentry *odentry,
- struct inode *ndir, struct dentry *ndentry,
- unsigned int flags)
+static int gfs2_rename2(struct user_namespace *mnt_userns, struct inode *odir,
+ struct dentry *odentry, struct inode *ndir,
+ struct dentry *ndentry, unsigned int flags)
{
flags &= ~RENAME_NOREPLACE;
@@ -1833,7 +1840,8 @@ static const char *gfs2_get_link(struct dentry *dentry,
* Returns: errno
*/
-int gfs2_permission(struct inode *inode, int mask)
+int gfs2_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask)
{
struct gfs2_inode *ip;
struct gfs2_holder i_gh;
@@ -1963,7 +1971,8 @@ static int setattr_chown(struct inode *inode, struct iattr *attr)
* Returns: errno
*/
-static int gfs2_setattr(struct dentry *dentry, struct iattr *attr)
+static int gfs2_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct gfs2_inode *ip = GFS2_I(inode);
@@ -2008,6 +2017,7 @@ static int gfs2_setattr(struct dentry *dentry, struct iattr *attr)
/**
* gfs2_getattr - Read out an inode's attributes
+ * @mnt_userns: user namespace of the mount the inode was found from
* @path: Object to query
* @stat: The inode's stats
* @request_mask: Mask of STATX_xxx flags indicating the caller's interests
@@ -2022,7 +2032,8 @@ static int gfs2_setattr(struct dentry *dentry, struct iattr *attr)
* Returns: errno
*/
-static int gfs2_getattr(const struct path *path, struct kstat *stat,
+static int gfs2_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags)
{
struct inode *inode = d_inode(path->dentry);
@@ -99,7 +99,8 @@ extern int gfs2_inode_refresh(struct gfs2_inode *ip);
extern struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
int is_root);
-extern int gfs2_permission(struct inode *inode, int mask);
+extern int gfs2_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask);
extern int gfs2_setattr_simple(struct inode *inode, struct iattr *attr);
extern struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
@@ -189,8 +189,8 @@ static int hfs_dir_release(struct inode *inode, struct file *file)
* a directory and return a corresponding inode, given the inode for
* the directory and the name (and its length) of the new file.
*/
-static int hfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int hfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct inode *inode;
int res;
@@ -219,7 +219,8 @@ static int hfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
* in a directory, given the inode for the parent directory and the
* name (and its length) of the new directory.
*/
-static int hfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int hfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode *inode;
int res;
@@ -279,9 +280,9 @@ static int hfs_remove(struct inode *dir, struct dentry *dentry)
* new file/directory.
* XXX: how do you handle must_be dir?
*/
-static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int hfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
int res;
@@ -204,7 +204,8 @@ extern const struct address_space_operations hfs_btree_aops;
extern struct inode *hfs_new_inode(struct inode *, const struct qstr *, umode_t);
extern void hfs_inode_write_fork(struct inode *, struct hfs_extent *, __be32 *, __be32 *);
extern int hfs_write_inode(struct inode *, struct writeback_control *);
-extern int hfs_inode_setattr(struct dentry *, struct iattr *);
+extern int hfs_inode_setattr(struct user_namespace *, struct dentry *,
+ struct iattr *);
extern void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext,
__be32 log_size, __be32 phys_size, u32 clump_size);
extern struct inode *hfs_iget(struct super_block *, struct hfs_cat_key *, hfs_cat_rec *);
@@ -602,13 +602,15 @@ static int hfs_file_release(struct inode *inode, struct file *file)
* correspond to the same HFS file.
*/
-int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr)
+int hfs_inode_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct hfs_sb_info *hsb = HFS_SB(inode->i_sb);
int error;
- error = setattr_prepare(&init_user_ns, dentry, attr); /* basic permission checks */
+ error = setattr_prepare(&init_user_ns, dentry,
+ attr); /* basic permission checks */
if (error)
return error;
@@ -434,8 +434,8 @@ static int hfsplus_rmdir(struct inode *dir, struct dentry *dentry)
return res;
}
-static int hfsplus_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+static int hfsplus_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb);
struct inode *inode;
@@ -476,8 +476,8 @@ static int hfsplus_symlink(struct inode *dir, struct dentry *dentry,
return res;
}
-static int hfsplus_mknod(struct inode *dir, struct dentry *dentry,
- umode_t mode, dev_t rdev)
+static int hfsplus_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb);
struct inode *inode;
@@ -517,18 +517,20 @@ static int hfsplus_mknod(struct inode *dir, struct dentry *dentry,
return res;
}
-static int hfsplus_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int hfsplus_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
- return hfsplus_mknod(dir, dentry, mode, 0);
+ return hfsplus_mknod(&init_user_ns, dir, dentry, mode, 0);
}
-static int hfsplus_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int hfsplus_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
- return hfsplus_mknod(dir, dentry, mode | S_IFDIR, 0);
+ return hfsplus_mknod(&init_user_ns, dir, dentry, mode | S_IFDIR, 0);
}
-static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry,
+static int hfsplus_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -488,8 +488,9 @@ void hfsplus_inode_write_fork(struct inode *inode,
struct hfsplus_fork_raw *fork);
int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd);
int hfsplus_cat_write_inode(struct inode *inode);
-int hfsplus_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags);
+int hfsplus_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask,
+ unsigned int query_flags);
int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
int datasync);
@@ -241,7 +241,8 @@ static int hfsplus_file_release(struct inode *inode, struct file *file)
return 0;
}
-static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
+static int hfsplus_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error;
@@ -270,8 +271,9 @@ static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
return 0;
}
-int hfsplus_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+int hfsplus_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask,
+ unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
@@ -555,8 +555,8 @@ static int read_name(struct inode *ino, char *name)
return 0;
}
-static int hostfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int hostfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct inode *inode;
char *name;
@@ -654,8 +654,8 @@ static int hostfs_unlink(struct inode *ino, struct dentry *dentry)
return err;
}
-static int hostfs_symlink(struct inode *ino, struct dentry *dentry,
- const char *to)
+static int hostfs_symlink(struct user_namespace *mnt_userns, struct inode *ino,
+ struct dentry *dentry, const char *to)
{
char *file;
int err;
@@ -667,7 +667,8 @@ static int hostfs_symlink(struct inode *ino, struct dentry *dentry,
return err;
}
-static int hostfs_mkdir(struct inode *ino, struct dentry *dentry, umode_t mode)
+static int hostfs_mkdir(struct user_namespace *mnt_userns, struct inode *ino,
+ struct dentry *dentry, umode_t mode)
{
char *file;
int err;
@@ -691,7 +692,8 @@ static int hostfs_rmdir(struct inode *ino, struct dentry *dentry)
return err;
}
-static int hostfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
+static int hostfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t dev)
{
struct inode *inode;
char *name;
@@ -729,7 +731,8 @@ static int hostfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
return err;
}
-static int hostfs_rename2(struct inode *old_dir, struct dentry *old_dentry,
+static int hostfs_rename2(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -757,7 +760,8 @@ static int hostfs_rename2(struct inode *old_dir, struct dentry *old_dentry,
return err;
}
-static int hostfs_permission(struct inode *ino, int desired)
+static int hostfs_permission(struct user_namespace *mnt_userns,
+ struct inode *ino, int desired)
{
char *name;
int r = 0, w = 0, x = 0, err;
@@ -783,7 +787,8 @@ static int hostfs_permission(struct inode *ino, int desired)
return err;
}
-static int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
+static int hostfs_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct hostfs_iattr attrs;
@@ -280,7 +280,7 @@ void hpfs_init_inode(struct inode *);
void hpfs_read_inode(struct inode *);
void hpfs_write_inode(struct inode *);
void hpfs_write_inode_nolock(struct inode *);
-int hpfs_setattr(struct dentry *, struct iattr *);
+int hpfs_setattr(struct user_namespace *, struct dentry *, struct iattr *);
void hpfs_write_if_changed(struct inode *);
void hpfs_evict_inode(struct inode *);
@@ -257,7 +257,8 @@ void hpfs_write_inode_nolock(struct inode *i)
brelse(bh);
}
-int hpfs_setattr(struct dentry *dentry, struct iattr *attr)
+int hpfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error = -EINVAL;
@@ -20,7 +20,8 @@ static void hpfs_update_directory_times(struct inode *dir)
hpfs_write_inode_nolock(dir);
}
-static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int hpfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
const unsigned char *name = dentry->d_name.name;
unsigned len = dentry->d_name.len;
@@ -128,7 +129,8 @@ static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
return err;
}
-static int hpfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl)
+static int hpfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
const unsigned char *name = dentry->d_name.name;
unsigned len = dentry->d_name.len;
@@ -215,7 +217,8 @@ static int hpfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, b
return err;
}
-static int hpfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev)
+static int hpfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
const unsigned char *name = dentry->d_name.name;
unsigned len = dentry->d_name.len;
@@ -289,7 +292,8 @@ static int hpfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, de
return err;
}
-static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *symlink)
+static int hpfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symlink)
{
const unsigned char *name = dentry->d_name.name;
unsigned len = dentry->d_name.len;
@@ -506,10 +510,10 @@ static int hpfs_symlink_readpage(struct file *file, struct page *page)
const struct address_space_operations hpfs_symlink_aops = {
.readpage = hpfs_symlink_readpage
};
-
-static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+
+static int hpfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
const unsigned char *old_name = old_dentry->d_name.name;
unsigned old_len = old_dentry->d_name.len;
@@ -751,7 +751,8 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset,
return error;
}
-static int hugetlbfs_setattr(struct dentry *dentry, struct iattr *attr)
+static int hugetlbfs_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct hstate *h = hstate_inode(inode);
@@ -898,33 +899,39 @@ static int do_hugetlbfs_mknod(struct inode *dir,
return error;
}
-static int hugetlbfs_mknod(struct inode *dir,
- struct dentry *dentry, umode_t mode, dev_t dev)
+static int hugetlbfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t dev)
{
return do_hugetlbfs_mknod(dir, dentry, mode, dev, false);
}
-static int hugetlbfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int hugetlbfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
- int retval = hugetlbfs_mknod(dir, dentry, mode | S_IFDIR, 0);
+ int retval = hugetlbfs_mknod(&init_user_ns, dir, dentry,
+ mode | S_IFDIR, 0);
if (!retval)
inc_nlink(dir);
return retval;
}
-static int hugetlbfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl)
+static int hugetlbfs_create(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
+ umode_t mode, bool excl)
{
- return hugetlbfs_mknod(dir, dentry, mode | S_IFREG, 0);
+ return hugetlbfs_mknod(&init_user_ns, dir, dentry, mode | S_IFREG, 0);
}
-static int hugetlbfs_tmpfile(struct inode *dir,
- struct dentry *dentry, umode_t mode)
+static int hugetlbfs_tmpfile(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
+ umode_t mode)
{
return do_hugetlbfs_mknod(dir, dentry, mode | S_IFREG, 0, true);
}
-static int hugetlbfs_symlink(struct inode *dir,
- struct dentry *dentry, const char *symname)
+static int hugetlbfs_symlink(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
+ const char *symname)
{
struct inode *inode;
int error = -ENOSPC;
@@ -226,7 +226,8 @@ static int __jffs2_set_acl(struct inode *inode, int xprefix, struct posix_acl *a
return rc;
}
-int jffs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int jffs2_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
int rc, xprefix;
@@ -28,7 +28,8 @@ struct jffs2_acl_header {
#ifdef CONFIG_JFFS2_FS_POSIX_ACL
struct posix_acl *jffs2_get_acl(struct inode *inode, int type);
-int jffs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+int jffs2_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
extern int jffs2_init_acl_pre(struct inode *, struct inode *, umode_t *);
extern int jffs2_init_acl_post(struct inode *);
@@ -24,18 +24,21 @@
static int jffs2_readdir (struct file *, struct dir_context *);
-static int jffs2_create (struct inode *,struct dentry *,umode_t,
- bool);
+static int jffs2_create (struct user_namespace *, struct inode *,
+ struct dentry *, umode_t, bool);
static struct dentry *jffs2_lookup (struct inode *,struct dentry *,
unsigned int);
static int jffs2_link (struct dentry *,struct inode *,struct dentry *);
static int jffs2_unlink (struct inode *,struct dentry *);
-static int jffs2_symlink (struct inode *,struct dentry *,const char *);
-static int jffs2_mkdir (struct inode *,struct dentry *,umode_t);
+static int jffs2_symlink (struct user_namespace *, struct inode *,
+ struct dentry *, const char *);
+static int jffs2_mkdir (struct user_namespace *, struct inode *,struct dentry *,
+ umode_t);
static int jffs2_rmdir (struct inode *,struct dentry *);
-static int jffs2_mknod (struct inode *,struct dentry *,umode_t,dev_t);
-static int jffs2_rename (struct inode *, struct dentry *,
- struct inode *, struct dentry *,
+static int jffs2_mknod (struct user_namespace *, struct inode *,struct dentry *,
+ umode_t,dev_t);
+static int jffs2_rename (struct user_namespace *, struct inode *,
+ struct dentry *, struct inode *, struct dentry *,
unsigned int);
const struct file_operations jffs2_dir_operations =
@@ -157,8 +160,8 @@ static int jffs2_readdir(struct file *file, struct dir_context *ctx)
/***********************************************************************/
-static int jffs2_create(struct inode *dir_i, struct dentry *dentry,
- umode_t mode, bool excl)
+static int jffs2_create(struct user_namespace *mnt_userns, struct inode *dir_i,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct jffs2_raw_inode *ri;
struct jffs2_inode_info *f, *dir_f;
@@ -276,7 +279,8 @@ static int jffs2_link (struct dentry *old_dentry, struct inode *dir_i, struct de
/***********************************************************************/
-static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char *target)
+static int jffs2_symlink (struct user_namespace *mnt_userns, struct inode *dir_i,
+ struct dentry *dentry, const char *target)
{
struct jffs2_inode_info *f, *dir_f;
struct jffs2_sb_info *c;
@@ -438,7 +442,8 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
}
-static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, umode_t mode)
+static int jffs2_mkdir (struct user_namespace *mnt_userns, struct inode *dir_i,
+ struct dentry *dentry, umode_t mode)
{
struct jffs2_inode_info *f, *dir_f;
struct jffs2_sb_info *c;
@@ -609,7 +614,8 @@ static int jffs2_rmdir (struct inode *dir_i, struct dentry *dentry)
return ret;
}
-static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, umode_t mode, dev_t rdev)
+static int jffs2_mknod (struct user_namespace *mnt_userns, struct inode *dir_i,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct jffs2_inode_info *f, *dir_f;
struct jffs2_sb_info *c;
@@ -756,7 +762,8 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, umode_t mode
return ret;
}
-static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry,
+static int jffs2_rename (struct user_namespace *mnt_userns,
+ struct inode *old_dir_i, struct dentry *old_dentry,
struct inode *new_dir_i, struct dentry *new_dentry,
unsigned int flags)
{
@@ -190,7 +190,8 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr)
return 0;
}
-int jffs2_setattr(struct dentry *dentry, struct iattr *iattr)
+int jffs2_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr)
{
struct inode *inode = d_inode(dentry);
int rc;
@@ -164,7 +164,7 @@ long jffs2_ioctl(struct file *, unsigned int, unsigned long);
extern const struct inode_operations jffs2_symlink_inode_operations;
/* fs.c */
-int jffs2_setattr (struct dentry *, struct iattr *);
+int jffs2_setattr (struct user_namespace *, struct dentry *, struct iattr *);
int jffs2_do_setattr (struct inode *, struct iattr *);
struct inode *jffs2_iget(struct super_block *, unsigned long);
void jffs2_evict_inode (struct inode *);
@@ -91,7 +91,8 @@ static int __jfs_set_acl(tid_t tid, struct inode *inode, int type,
return rc;
}
-int jfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int jfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
int rc;
tid_t tid;
@@ -85,7 +85,8 @@ static int jfs_release(struct inode *inode, struct file *file)
return 0;
}
-int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
+int jfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr)
{
struct inode *inode = d_inode(dentry);
int rc;
@@ -8,7 +8,8 @@
#ifdef CONFIG_JFS_POSIX_ACL
struct posix_acl *jfs_get_acl(struct inode *inode, int type);
-int jfs_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+int jfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
int jfs_init_acl(tid_t, struct inode *, struct inode *);
#else
@@ -26,7 +26,7 @@ extern struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type);
extern void jfs_set_inode_flags(struct inode *);
extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
-extern int jfs_setattr(struct dentry *, struct iattr *);
+extern int jfs_setattr(struct user_namespace *, struct dentry *, struct iattr *);
extern const struct address_space_operations jfs_aops;
extern const struct inode_operations jfs_dir_inode_operations;
@@ -59,8 +59,8 @@ static inline void free_ea_wmap(struct inode *inode)
* RETURN: Errors from subroutines
*
*/
-static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode,
- bool excl)
+static int jfs_create(struct user_namespace *mnt_userns, struct inode *dip,
+ struct dentry *dentry, umode_t mode, bool excl)
{
int rc = 0;
tid_t tid; /* transaction id */
@@ -192,7 +192,8 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode,
* note:
* EACCES: user needs search+write permission on the parent directory
*/
-static int jfs_mkdir(struct inode *dip, struct dentry *dentry, umode_t mode)
+static int jfs_mkdir(struct user_namespace *mnt_userns, struct inode *dip,
+ struct dentry *dentry, umode_t mode)
{
int rc = 0;
tid_t tid; /* transaction id */
@@ -868,8 +869,8 @@ static int jfs_link(struct dentry *old_dentry,
* an intermediate result whose length exceeds PATH_MAX [XPG4.2]
*/
-static int jfs_symlink(struct inode *dip, struct dentry *dentry,
- const char *name)
+static int jfs_symlink(struct user_namespace *mnt_userns, struct inode *dip,
+ struct dentry *dentry, const char *name)
{
int rc;
tid_t tid;
@@ -1058,9 +1059,9 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
*
* FUNCTION: rename a file or directory
*/
-static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int jfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct btstack btstack;
ino_t ino;
@@ -1344,8 +1345,8 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
*
* FUNCTION: Create a special file (device)
*/
-static int jfs_mknod(struct inode *dir, struct dentry *dentry,
- umode_t mode, dev_t rdev)
+static int jfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct jfs_inode_info *jfs_ip;
struct btstack btstack;
@@ -1110,7 +1110,8 @@ static struct dentry *kernfs_iop_lookup(struct inode *dir,
return ret;
}
-static int kernfs_iop_mkdir(struct inode *dir, struct dentry *dentry,
+static int kernfs_iop_mkdir(struct user_namespace *mnt_userns,
+ struct inode *dir, struct dentry *dentry,
umode_t mode)
{
struct kernfs_node *parent = dir->i_private;
@@ -1147,7 +1148,8 @@ static int kernfs_iop_rmdir(struct inode *dir, struct dentry *dentry)
return ret;
}
-static int kernfs_iop_rename(struct inode *old_dir, struct dentry *old_dentry,
+static int kernfs_iop_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -112,7 +112,8 @@ int kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr)
return ret;
}
-int kernfs_iop_setattr(struct dentry *dentry, struct iattr *iattr)
+int kernfs_iop_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr)
{
struct inode *inode = d_inode(dentry);
struct kernfs_node *kn = inode->i_private;
@@ -183,7 +184,8 @@ static void kernfs_refresh_inode(struct kernfs_node *kn, struct inode *inode)
set_nlink(inode, kn->dir.subdirs + 2);
}
-int kernfs_iop_getattr(const struct path *path, struct kstat *stat,
+int kernfs_iop_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
@@ -272,7 +274,8 @@ void kernfs_evict_inode(struct inode *inode)
kernfs_put(kn);
}
-int kernfs_iop_permission(struct inode *inode, int mask)
+int kernfs_iop_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
struct kernfs_node *kn;
@@ -89,9 +89,12 @@ extern struct kmem_cache *kernfs_node_cache, *kernfs_iattrs_cache;
*/
extern const struct xattr_handler *kernfs_xattr_handlers[];
void kernfs_evict_inode(struct inode *inode);
-int kernfs_iop_permission(struct inode *inode, int mask);
-int kernfs_iop_setattr(struct dentry *dentry, struct iattr *iattr);
-int kernfs_iop_getattr(const struct path *path, struct kstat *stat,
+int kernfs_iop_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask);
+int kernfs_iop_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr);
+int kernfs_iop_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags);
ssize_t kernfs_iop_listxattr(struct dentry *dentry, char *buf, size_t size);
int __kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr);
@@ -27,8 +27,9 @@
#include "internal.h"
-int simple_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+int simple_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask,
+ unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
generic_fillattr(&init_user_ns, inode, stat);
@@ -447,9 +448,9 @@ int simple_rmdir(struct inode *dir, struct dentry *dentry)
}
EXPORT_SYMBOL(simple_rmdir);
-int simple_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+int simple_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct inode *inode = d_inode(old_dentry);
int they_are_dirs = d_is_dir(old_dentry);
@@ -492,18 +493,19 @@ EXPORT_SYMBOL(simple_rename);
* on simple regular filesystems. Anything that needs to change on-disk
* or wire state on size changes needs its own setattr method.
*/
-int simple_setattr(struct dentry *dentry, struct iattr *iattr)
+int simple_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr)
{
struct inode *inode = d_inode(dentry);
int error;
- error = setattr_prepare(&init_user_ns, dentry, iattr);
+ error = setattr_prepare(mnt_userns, dentry, iattr);
if (error)
return error;
if (iattr->ia_valid & ATTR_SIZE)
truncate_setsize(inode, iattr->ia_size);
- setattr_copy(&init_user_ns, inode, iattr);
+ setattr_copy(mnt_userns, inode, iattr);
mark_inode_dirty(inode);
return 0;
}
@@ -1300,7 +1302,8 @@ static struct dentry *empty_dir_lookup(struct inode *dir, struct dentry *dentry,
return ERR_PTR(-ENOENT);
}
-static int empty_dir_getattr(const struct path *path, struct kstat *stat,
+static int empty_dir_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
@@ -1308,7 +1311,8 @@ static int empty_dir_getattr(const struct path *path, struct kstat *stat,
return 0;
}
-static int empty_dir_setattr(struct dentry *dentry, struct iattr *attr)
+static int empty_dir_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
return -EPERM;
}
@@ -1318,14 +1322,9 @@ static ssize_t empty_dir_listxattr(struct dentry *dentry, char *list, size_t siz
return -EOPNOTSUPP;
}
-static int empty_dir_permission(struct inode *inode, int mask)
-{
- return generic_permission(&init_user_ns, inode, mask);
-}
-
static const struct inode_operations empty_dir_inode_operations = {
.lookup = empty_dir_lookup,
- .permission = empty_dir_permission,
+ .permission = generic_permission,
.setattr = empty_dir_setattr,
.getattr = empty_dir_getattr,
.listxattr = empty_dir_listxattr,
@@ -22,7 +22,8 @@ const struct file_operations minix_file_operations = {
.splice_read = generic_file_splice_read,
};
-static int minix_setattr(struct dentry *dentry, struct iattr *attr)
+static int minix_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error;
@@ -652,8 +652,8 @@ static int minix_write_inode(struct inode *inode, struct writeback_control *wbc)
return err;
}
-int minix_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int minix_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
struct super_block *sb = path->dentry->d_sb;
struct inode *inode = d_inode(path->dentry);
@@ -51,7 +51,8 @@ extern unsigned long minix_count_free_inodes(struct super_block *sb);
extern int minix_new_block(struct inode * inode);
extern void minix_free_block(struct inode *inode, unsigned long block);
extern unsigned long minix_count_free_blocks(struct super_block *sb);
-extern int minix_getattr(const struct path *, struct kstat *, u32, unsigned int);
+extern int minix_getattr(struct user_namespace *, const struct path *,
+ struct kstat *, u32, unsigned int);
extern int minix_prepare_chunk(struct page *page, loff_t pos, unsigned len);
extern void V1_minix_truncate(struct inode *);
@@ -33,7 +33,8 @@ static struct dentry *minix_lookup(struct inode * dir, struct dentry *dentry, un
return d_splice_alias(inode, dentry);
}
-static int minix_mknod(struct inode * dir, struct dentry *dentry, umode_t mode, dev_t rdev)
+static int minix_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
int error;
struct inode *inode;
@@ -51,7 +52,8 @@ static int minix_mknod(struct inode * dir, struct dentry *dentry, umode_t mode,
return error;
}
-static int minix_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int minix_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
int error;
struct inode *inode = minix_new_inode(dir, mode, &error);
@@ -63,14 +65,14 @@ static int minix_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
return error;
}
-static int minix_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int minix_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
- return minix_mknod(dir, dentry, mode, 0);
+ return minix_mknod(mnt_userns, dir, dentry, mode, 0);
}
-static int minix_symlink(struct inode * dir, struct dentry *dentry,
- const char * symname)
+static int minix_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
int err = -ENAMETOOLONG;
int i = strlen(symname)+1;
@@ -109,7 +111,8 @@ static int minix_link(struct dentry * old_dentry, struct inode * dir,
return add_nondir(dentry, inode);
}
-static int minix_mkdir(struct inode * dir, struct dentry *dentry, umode_t mode)
+static int minix_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode * inode;
int err;
@@ -181,8 +184,9 @@ static int minix_rmdir(struct inode * dir, struct dentry *dentry)
return err;
}
-static int minix_rename(struct inode * old_dir, struct dentry *old_dentry,
- struct inode * new_dir, struct dentry *new_dentry,
+static int minix_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
struct inode * old_inode = d_inode(old_dentry);
@@ -443,7 +443,7 @@ static inline int do_inode_permission(struct user_namespace *mnt_userns,
{
if (unlikely(!(inode->i_opflags & IOP_FASTPERM))) {
if (likely(inode->i_op->permission))
- return inode->i_op->permission(inode, mask);
+ return inode->i_op->permission(mnt_userns, inode, mask);
/* This gets set once for the inode lifetime */
spin_lock(&inode->i_lock);
@@ -2199,11 +2199,13 @@ static int link_path_walk(const char *name, struct nameidata *nd)
/* At this point we know we have a real path component. */
for(;;) {
+ struct user_namespace *mnt_userns;
const char *link;
u64 hash_len;
int type;
- err = may_lookup(&init_user_ns, nd);
+ mnt_userns = mnt_user_ns(nd->path.mnt);
+ err = may_lookup(mnt_userns, nd);
if (err)
return err;
@@ -2251,7 +2253,7 @@ static int link_path_walk(const char *name, struct nameidata *nd)
OK:
/* pathname or trailing symlink, done */
if (!depth) {
- nd->dir_uid = i_uid_into_mnt(&init_user_ns, nd->inode);
+ nd->dir_uid = i_uid_into_mnt(mnt_userns, nd->inode);
nd->dir_mode = nd->inode->i_mode;
nd->flags &= ~LOOKUP_PARENT;
return 0;
@@ -2904,7 +2906,7 @@ int vfs_create(struct user_namespace *mnt_userns, struct inode *dir,
error = security_inode_create(dir, dentry, mode);
if (error)
return error;
- error = dir->i_op->create(dir, dentry, mode, want_excl);
+ error = dir->i_op->create(mnt_userns, dir, dentry, mode, want_excl);
if (!error)
fsnotify_create(dir, dentry);
return error;
@@ -2995,7 +2997,7 @@ static int may_open(struct user_namespace *mnt_userns, const struct path *path,
return 0;
}
-static int handle_truncate(struct file *filp)
+static int handle_truncate(struct user_namespace *mnt_userns, struct file *filp)
{
const struct path *path = &filp->f_path;
struct inode *inode = path->dentry->d_inode;
@@ -3009,7 +3011,7 @@ static int handle_truncate(struct file *filp)
if (!error)
error = security_path_truncate(path);
if (!error) {
- error = do_truncate(&init_user_ns, path->dentry, 0,
+ error = do_truncate(mnt_userns, path->dentry, 0,
ATTR_MTIME|ATTR_CTIME|ATTR_OPEN,
filp);
}
@@ -3118,6 +3120,7 @@ static struct dentry *lookup_open(struct nameidata *nd, struct file *file,
const struct open_flags *op,
bool got_write)
{
+ struct user_namespace *mnt_userns;
struct dentry *dir = nd->path.dentry;
struct inode *dir_inode = dir->d_inode;
int open_flag = op->open_flag;
@@ -3165,13 +3168,14 @@ static struct dentry *lookup_open(struct nameidata *nd, struct file *file,
*/
if (unlikely(!got_write))
open_flag &= ~O_TRUNC;
+ mnt_userns = mnt_user_ns(nd->path.mnt);
if (open_flag & O_CREAT) {
if (open_flag & O_EXCL)
open_flag &= ~O_TRUNC;
if (!IS_POSIXACL(dir->d_inode))
mode &= ~current_umask();
if (likely(got_write))
- create_error = may_o_create(&init_user_ns, &nd->path,
+ create_error = may_o_create(mnt_userns, &nd->path,
dentry, mode);
else
create_error = -EROFS;
@@ -3207,8 +3211,9 @@ static struct dentry *lookup_open(struct nameidata *nd, struct file *file,
error = -EACCES;
goto out_dput;
}
- error = dir_inode->i_op->create(dir_inode, dentry, mode,
- open_flag & O_EXCL);
+
+ error = dir_inode->i_op->create(mnt_userns, dir_inode, dentry,
+ mode, open_flag & O_EXCL);
if (error)
goto out_dput;
}
@@ -3316,6 +3321,7 @@ static const char *open_last_lookups(struct nameidata *nd,
static int do_open(struct nameidata *nd,
struct file *file, const struct open_flags *op)
{
+ struct user_namespace *mnt_userns;
int open_flag = op->open_flag;
bool do_truncate;
int acc_mode;
@@ -3328,12 +3334,13 @@ static int do_open(struct nameidata *nd,
}
if (!(file->f_mode & FMODE_CREATED))
audit_inode(nd->name, nd->path.dentry, 0);
+ mnt_userns = mnt_user_ns(nd->path.mnt);
if (open_flag & O_CREAT) {
if ((open_flag & O_EXCL) && !(file->f_mode & FMODE_CREATED))
return -EEXIST;
if (d_is_dir(nd->path.dentry))
return -EISDIR;
- error = may_create_in_sticky(&init_user_ns, nd,
+ error = may_create_in_sticky(mnt_userns, nd,
d_backing_inode(nd->path.dentry));
if (unlikely(error))
return error;
@@ -3353,13 +3360,13 @@ static int do_open(struct nameidata *nd,
return error;
do_truncate = true;
}
- error = may_open(&init_user_ns, &nd->path, acc_mode, open_flag);
+ error = may_open(mnt_userns, &nd->path, acc_mode, open_flag);
if (!error && !(file->f_mode & FMODE_OPENED))
error = vfs_open(&nd->path, file);
if (!error)
error = ima_file_check(file, op->acc_mode);
if (!error && do_truncate)
- error = handle_truncate(file);
+ error = handle_truncate(mnt_userns, file);
if (unlikely(error > 0)) {
WARN_ON(1);
error = -EINVAL;
@@ -3403,7 +3410,7 @@ struct dentry *vfs_tmpfile(struct user_namespace *mnt_userns,
child = d_alloc(dentry, &slash_name);
if (unlikely(!child))
goto out_err;
- error = dir->i_op->tmpfile(dir, child, mode);
+ error = dir->i_op->tmpfile(mnt_userns, dir, child, mode);
if (error)
goto out_err;
error = -ENOENT;
@@ -3446,7 +3453,7 @@ static int do_tmpfile(struct nameidata *nd, unsigned flags,
path.dentry = child;
audit_inode(nd->name, child, 0);
/* Don't check for other permissions, the inode was just created */
- error = may_open(&init_user_ns, &path, 0, op->open_flag);
+ error = may_open(mnt_userns, &path, 0, op->open_flag);
if (error)
goto out2;
file->f_path.mnt = path.mnt;
@@ -3690,7 +3697,7 @@ int vfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
if (error)
return error;
- error = dir->i_op->mknod(dir, dentry, mode, dev);
+ error = dir->i_op->mknod(mnt_userns, dir, dentry, mode, dev);
if (!error)
fsnotify_create(dir, dentry);
return error;
@@ -3809,7 +3816,7 @@ int vfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
if (max_links && dir->i_nlink >= max_links)
return -EMLINK;
- error = dir->i_op->mkdir(dir, dentry, mode);
+ error = dir->i_op->mkdir(mnt_userns, dir, dentry, mode);
if (!error)
fsnotify_mkdir(dir, dentry);
return error;
@@ -3834,7 +3841,8 @@ static long do_mkdirat(int dfd, const char __user *pathname, umode_t mode)
if (!error) {
struct user_namespace *mnt_userns;
mnt_userns = mnt_user_ns(path.mnt);
- error = vfs_mkdir(mnt_userns, path.dentry->d_inode, dentry, mode);
+ error = vfs_mkdir(mnt_userns, path.dentry->d_inode, dentry,
+ mode);
}
done_path_create(&path, dentry);
if (retry_estale(error, lookup_flags)) {
@@ -4087,7 +4095,8 @@ long do_unlinkat(int dfd, struct filename *name)
if (error)
goto exit2;
mnt_userns = mnt_user_ns(path.mnt);
- error = vfs_unlink(mnt_userns, path.dentry->d_inode, dentry, &delegated_inode);
+ error = vfs_unlink(mnt_userns, path.dentry->d_inode, dentry,
+ &delegated_inode);
exit2:
dput(dentry);
}
@@ -4166,7 +4175,7 @@ int vfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
if (error)
return error;
- error = dir->i_op->symlink(dir, dentry, oldname);
+ error = dir->i_op->symlink(mnt_userns, dir, dentry, oldname);
if (!error)
fsnotify_create(dir, dentry);
return error;
@@ -4357,13 +4366,13 @@ static int do_linkat(int olddfd, const char __user *oldname, int newdfd,
error = -EXDEV;
if (old_path.mnt != new_path.mnt)
goto out_dput;
- error = may_linkat(&init_user_ns, &old_path);
+ mnt_userns = mnt_user_ns(new_path.mnt);
+ error = may_linkat(mnt_userns, &old_path);
if (unlikely(error))
goto out_dput;
error = security_path_link(old_path.dentry, &new_path, new_dentry);
if (error)
goto out_dput;
- mnt_userns = mnt_user_ns(new_path.mnt);
error = vfs_link(old_path.dentry, mnt_userns, new_path.dentry->d_inode,
new_dentry, &delegated_inode);
out_dput:
@@ -4542,8 +4551,8 @@ int vfs_rename(struct renamedata *rd)
if (error)
goto out;
}
- error = old_dir->i_op->rename(old_dir, old_dentry,
- new_dir, new_dentry, flags);
+ error = old_dir->i_op->rename(rd->new_mnt_userns, old_dir, old_dentry,
+ new_dir, new_dentry, flags);
if (error)
goto out;
@@ -2095,8 +2095,8 @@ EXPORT_SYMBOL_GPL(nfs_instantiate);
* that the operation succeeded on the server, but an error in the
* reply path made it appear to have failed.
*/
-int nfs_create(struct inode *dir, struct dentry *dentry,
- umode_t mode, bool excl)
+int nfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct iattr attr;
int open_flags = excl ? O_CREAT | O_EXCL : O_CREAT;
@@ -2124,7 +2124,8 @@ EXPORT_SYMBOL_GPL(nfs_create);
* See comments for nfs_proc_create regarding failed operations.
*/
int
-nfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev)
+nfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct iattr attr;
int status;
@@ -2150,7 +2151,8 @@ EXPORT_SYMBOL_GPL(nfs_mknod);
/*
* See comments for nfs_proc_create regarding failed operations.
*/
-int nfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+int nfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct iattr attr;
int error;
@@ -2295,7 +2297,8 @@ EXPORT_SYMBOL_GPL(nfs_unlink);
* now have a new file handle and can instantiate an in-core NFS inode
* and move the raw page into its mapping.
*/
-int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
+int nfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
struct page *page;
char *kaddr;
@@ -2398,9 +2401,9 @@ EXPORT_SYMBOL_GPL(nfs_link);
* If these conditions are met, we can drop the dentries before doing
* the rename.
*/
-int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+int nfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct inode *old_inode = d_inode(old_dentry);
struct inode *new_inode = d_inode(new_dentry);
@@ -2939,7 +2942,9 @@ static int nfs_execute_ok(struct inode *inode, int mask)
return ret;
}
-int nfs_permission(struct inode *inode, int mask)
+int nfs_permission(struct user_namespace *mnt_userns,
+ struct inode *inode,
+ int mask)
{
const struct cred *cred = current_cred();
int res = 0;
@@ -594,7 +594,8 @@ EXPORT_SYMBOL_GPL(nfs_fhget);
#define NFS_VALID_ATTRS (ATTR_MODE|ATTR_UID|ATTR_GID|ATTR_SIZE|ATTR_ATIME|ATTR_ATIME_SET|ATTR_MTIME|ATTR_MTIME_SET|ATTR_FILE|ATTR_OPEN)
int
-nfs_setattr(struct dentry *dentry, struct iattr *attr)
+nfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct nfs_fattr *fattr;
@@ -787,8 +788,8 @@ static bool nfs_need_revalidate_inode(struct inode *inode)
return false;
}
-int nfs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
struct nfs_server *server = NFS_SERVER(inode);
@@ -378,14 +378,18 @@ extern unsigned long nfs_access_cache_count(struct shrinker *shrink,
extern unsigned long nfs_access_cache_scan(struct shrinker *shrink,
struct shrink_control *sc);
struct dentry *nfs_lookup(struct inode *, struct dentry *, unsigned int);
-int nfs_create(struct inode *, struct dentry *, umode_t, bool);
-int nfs_mkdir(struct inode *, struct dentry *, umode_t);
+int nfs_create(struct user_namespace *, struct inode *, struct dentry *,
+ umode_t, bool);
+int nfs_mkdir(struct user_namespace *, struct inode *, struct dentry *,
+ umode_t);
int nfs_rmdir(struct inode *, struct dentry *);
int nfs_unlink(struct inode *, struct dentry *);
-int nfs_symlink(struct inode *, struct dentry *, const char *);
+int nfs_symlink(struct user_namespace *, struct inode *, struct dentry *,
+ const char *);
int nfs_link(struct dentry *, struct inode *, struct dentry *);
-int nfs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
-int nfs_rename(struct inode *, struct dentry *,
+int nfs_mknod(struct user_namespace *, struct inode *, struct dentry *, umode_t,
+ dev_t);
+int nfs_rename(struct user_namespace *, struct inode *, struct dentry *,
struct inode *, struct dentry *, unsigned int);
/* file.c */
@@ -208,20 +208,23 @@ struct vfsmount *nfs_d_automount(struct path *path)
}
static int
-nfs_namespace_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+nfs_namespace_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
+ u32 request_mask, unsigned int query_flags)
{
if (NFS_FH(d_inode(path->dentry))->size != 0)
- return nfs_getattr(path, stat, request_mask, query_flags);
+ return nfs_getattr(mnt_userns, path, stat, request_mask,
+ query_flags);
generic_fillattr(&init_user_ns, d_inode(path->dentry), stat);
return 0;
}
static int
-nfs_namespace_setattr(struct dentry *dentry, struct iattr *attr)
+nfs_namespace_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
if (NFS_FH(d_inode(dentry))->size != 0)
- return nfs_setattr(dentry, attr);
+ return nfs_setattr(mnt_userns, dentry, attr);
return -EACCES;
}
@@ -12,7 +12,8 @@
*/
#ifdef CONFIG_NFS_V3_ACL
extern struct posix_acl *nfs3_get_acl(struct inode *inode, int type);
-extern int nfs3_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+extern int nfs3_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
extern int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
struct posix_acl *dfacl);
extern ssize_t nfs3_listxattr(struct dentry *, char *, size_t);
@@ -251,7 +251,8 @@ int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
}
-int nfs3_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int nfs3_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
struct posix_acl *orig = acl, *dfacl = NULL, *alloc;
int status;
@@ -805,7 +805,8 @@ void nilfs_evict_inode(struct inode *inode)
*/
}
-int nilfs_setattr(struct dentry *dentry, struct iattr *iattr)
+int nilfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr)
{
struct nilfs_transaction_info ti;
struct inode *inode = d_inode(dentry);
@@ -843,7 +844,8 @@ int nilfs_setattr(struct dentry *dentry, struct iattr *iattr)
return err;
}
-int nilfs_permission(struct inode *inode, int mask)
+int nilfs_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask)
{
struct nilfs_root *root = NILFS_I(inode)->i_root;
@@ -72,8 +72,8 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
* If the create succeeds, we fill in the inode information
* with d_instantiate().
*/
-static int nilfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int nilfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct inode *inode;
struct nilfs_transaction_info ti;
@@ -100,7 +100,8 @@ static int nilfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
}
static int
-nilfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev)
+nilfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct inode *inode;
struct nilfs_transaction_info ti;
@@ -124,8 +125,8 @@ nilfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev)
return err;
}
-static int nilfs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+static int nilfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
struct nilfs_transaction_info ti;
struct super_block *sb = dir->i_sb;
@@ -201,7 +202,8 @@ static int nilfs_link(struct dentry *old_dentry, struct inode *dir,
return err;
}
-static int nilfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int nilfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode *inode;
struct nilfs_transaction_info ti;
@@ -338,8 +340,9 @@ static int nilfs_rmdir(struct inode *dir, struct dentry *dentry)
return err;
}
-static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
+static int nilfs_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
struct inode *old_inode = d_inode(old_dentry);
@@ -267,9 +267,11 @@ extern struct inode *nilfs_iget_for_gc(struct super_block *sb,
extern void nilfs_update_inode(struct inode *, struct buffer_head *, int);
extern void nilfs_truncate(struct inode *);
extern void nilfs_evict_inode(struct inode *);
-extern int nilfs_setattr(struct dentry *, struct iattr *);
+extern int nilfs_setattr(struct user_namespace *, struct dentry *,
+ struct iattr *);
extern void nilfs_write_failed(struct address_space *mapping, loff_t to);
-int nilfs_permission(struct inode *inode, int mask);
+int nilfs_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask);
int nilfs_load_inode_block(struct inode *inode, struct buffer_head **pbh);
extern int nilfs_inode_dirty(struct inode *);
int nilfs_set_file_dirty(struct inode *inode, unsigned int nr_dirty);
@@ -2848,6 +2848,7 @@ void ntfs_truncate_vfs(struct inode *vi) {
/**
* ntfs_setattr - called from notify_change() when an attribute is being changed
+ * @mnt_userns: user namespace of the mount the inode was found from
* @dentry: dentry whose attributes to change
* @attr: structure describing the attributes and the changes
*
@@ -2860,7 +2861,8 @@ void ntfs_truncate_vfs(struct inode *vi) {
*
* Called with ->i_mutex held.
*/
-int ntfs_setattr(struct dentry *dentry, struct iattr *attr)
+int ntfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *vi = d_inode(dentry);
int err;
@@ -289,7 +289,8 @@ extern int ntfs_show_options(struct seq_file *sf, struct dentry *root);
extern int ntfs_truncate(struct inode *vi);
extern void ntfs_truncate_vfs(struct inode *vi);
-extern int ntfs_setattr(struct dentry *dentry, struct iattr *attr);
+extern int ntfs_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr);
extern int __ntfs_write_inode(struct inode *vi, int sync);
@@ -262,7 +262,8 @@ static int ocfs2_set_acl(handle_t *handle,
return ret;
}
-int ocfs2_iop_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int ocfs2_iop_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
struct buffer_head *bh = NULL;
int status, had_lock;
@@ -19,7 +19,8 @@ struct ocfs2_acl_entry {
};
struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type);
-int ocfs2_iop_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+int ocfs2_iop_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
extern int ocfs2_acl_chmod(struct inode *, struct buffer_head *);
extern int ocfs2_init_acl(handle_t *, struct inode *, struct inode *,
struct buffer_head *, struct buffer_head *,
@@ -190,7 +190,8 @@ static int dlmfs_file_release(struct inode *inode,
* We do ->setattr() just to override size changes. Our size is the size
* of the LVB and nothing else.
*/
-static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr)
+static int dlmfs_file_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
int error;
struct inode *inode = d_inode(dentry);
@@ -395,7 +396,8 @@ static struct inode *dlmfs_get_inode(struct inode *parent,
* File creation. Allocate an inode, and we're done..
*/
/* SMP-safe */
-static int dlmfs_mkdir(struct inode * dir,
+static int dlmfs_mkdir(struct user_namespace * mnt_userns,
+ struct inode * dir,
struct dentry * dentry,
umode_t mode)
{
@@ -443,7 +445,8 @@ static int dlmfs_mkdir(struct inode * dir,
return status;
}
-static int dlmfs_create(struct inode *dir,
+static int dlmfs_create(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
umode_t mode,
bool excl)
@@ -1112,7 +1112,8 @@ static int ocfs2_extend_file(struct inode *inode,
return ret;
}
-int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
+int ocfs2_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
int status = 0, size_change;
int inode_locked = 0;
@@ -1298,8 +1299,8 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
return status;
}
-int ocfs2_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int ocfs2_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
struct inode *inode = d_inode(path->dentry);
struct super_block *sb = path->dentry->d_sb;
@@ -1330,7 +1331,8 @@ int ocfs2_getattr(const struct path *path, struct kstat *stat,
return err;
}
-int ocfs2_permission(struct inode *inode, int mask)
+int ocfs2_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask)
{
int ret, had_lock;
struct ocfs2_lock_holder oh;
@@ -51,10 +51,13 @@ int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
u64 new_i_size, u64 zero_to);
int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
loff_t zero_to);
-int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
-int ocfs2_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags);
-int ocfs2_permission(struct inode *inode, int mask);
+int ocfs2_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr);
+int ocfs2_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags);
+int ocfs2_permission(struct user_namespace *mnt_userns,
+ struct inode *inode,
+ int mask);
int ocfs2_should_update_atime(struct inode *inode,
struct vfsmount *vfsmnt);
@@ -221,7 +221,8 @@ static void ocfs2_cleanup_add_entry_failure(struct ocfs2_super *osb,
iput(inode);
}
-static int ocfs2_mknod(struct inode *dir,
+static int ocfs2_mknod(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
umode_t mode,
dev_t dev)
@@ -645,7 +646,8 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
return status;
}
-static int ocfs2_mkdir(struct inode *dir,
+static int ocfs2_mkdir(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
umode_t mode)
{
@@ -653,14 +655,15 @@ static int ocfs2_mkdir(struct inode *dir,
trace_ocfs2_mkdir(dir, dentry, dentry->d_name.len, dentry->d_name.name,
OCFS2_I(dir)->ip_blkno, mode);
- ret = ocfs2_mknod(dir, dentry, mode | S_IFDIR, 0);
+ ret = ocfs2_mknod(&init_user_ns, dir, dentry, mode | S_IFDIR, 0);
if (ret)
mlog_errno(ret);
return ret;
}
-static int ocfs2_create(struct inode *dir,
+static int ocfs2_create(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
umode_t mode,
bool excl)
@@ -669,7 +672,7 @@ static int ocfs2_create(struct inode *dir,
trace_ocfs2_create(dir, dentry, dentry->d_name.len, dentry->d_name.name,
(unsigned long long)OCFS2_I(dir)->ip_blkno, mode);
- ret = ocfs2_mknod(dir, dentry, mode | S_IFREG, 0);
+ ret = ocfs2_mknod(&init_user_ns, dir, dentry, mode | S_IFREG, 0);
if (ret)
mlog_errno(ret);
@@ -1195,7 +1198,8 @@ static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2)
ocfs2_inode_unlock(inode2, 1);
}
-static int ocfs2_rename(struct inode *old_dir,
+static int ocfs2_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir,
struct dentry *old_dentry,
struct inode *new_dir,
struct dentry *new_dentry,
@@ -1784,7 +1788,8 @@ static int ocfs2_create_symlink_data(struct ocfs2_super *osb,
return status;
}
-static int ocfs2_symlink(struct inode *dir,
+static int ocfs2_symlink(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
const char *symname)
{
@@ -279,13 +279,14 @@ static int omfs_add_node(struct inode *dir, struct dentry *dentry, umode_t mode)
return err;
}
-static int omfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int omfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
return omfs_add_node(dir, dentry, mode | S_IFDIR);
}
-static int omfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int omfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
return omfs_add_node(dir, dentry, mode | S_IFREG);
}
@@ -369,9 +370,9 @@ static bool omfs_fill_chain(struct inode *dir, struct dir_context *ctx,
return true;
}
-static int omfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int omfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct inode *new_inode = d_inode(new_dentry);
struct inode *old_inode = d_inode(old_dentry);
@@ -343,7 +343,8 @@ const struct file_operations omfs_file_operations = {
.splice_read = generic_file_splice_read,
};
-static int omfs_setattr(struct dentry *dentry, struct iattr *attr)
+static int omfs_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error;
@@ -116,7 +116,8 @@ static int __orangefs_set_acl(struct inode *inode, struct posix_acl *acl,
return error;
}
-int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int orangefs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
int error;
struct iattr iattr;
@@ -871,7 +871,8 @@ int __orangefs_setattr(struct inode *inode, struct iattr *iattr)
/*
* Change attributes of an object referenced by dentry.
*/
-int orangefs_setattr(struct dentry *dentry, struct iattr *iattr)
+int orangefs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr)
{
int ret;
gossip_debug(GOSSIP_INODE_DEBUG, "__orangefs_setattr: called on %pd\n",
@@ -890,8 +891,8 @@ int orangefs_setattr(struct dentry *dentry, struct iattr *iattr)
/*
* Obtain attributes of an object given a dentry
*/
-int orangefs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int orangefs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
int ret;
struct inode *inode = path->dentry->d_inode;
@@ -919,7 +920,8 @@ int orangefs_getattr(const struct path *path, struct kstat *stat,
return ret;
}
-int orangefs_permission(struct inode *inode, int mask)
+int orangefs_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
int ret;
@@ -15,7 +15,8 @@
/*
* Get a newly allocated inode to go with a negative dentry.
*/
-static int orangefs_create(struct inode *dir,
+static int orangefs_create(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
umode_t mode,
bool exclusive)
@@ -215,7 +216,8 @@ static int orangefs_unlink(struct inode *dir, struct dentry *dentry)
return ret;
}
-static int orangefs_symlink(struct inode *dir,
+static int orangefs_symlink(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
const char *symname)
{
@@ -303,7 +305,8 @@ static int orangefs_symlink(struct inode *dir,
return ret;
}
-static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int orangefs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct orangefs_inode_s *parent = ORANGEFS_I(dir);
struct orangefs_kernel_op_s *new_op;
@@ -372,7 +375,8 @@ static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode
return ret;
}
-static int orangefs_rename(struct inode *old_dir,
+static int orangefs_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir,
struct dentry *old_dentry,
struct inode *new_dir,
struct dentry *new_dentry,
@@ -107,7 +107,9 @@ extern int orangefs_init_acl(struct inode *inode, struct inode *dir);
extern const struct xattr_handler *orangefs_xattr_handlers[];
extern struct posix_acl *orangefs_get_acl(struct inode *inode, int type);
-extern int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+extern int orangefs_set_acl(struct user_namespace *mnt_userns,
+ struct inode *inode, struct posix_acl *acl,
+ int type);
/*
* orangefs data structures
@@ -359,12 +361,13 @@ struct inode *orangefs_new_inode(struct super_block *sb,
struct orangefs_object_kref *ref);
int __orangefs_setattr(struct inode *, struct iattr *);
-int orangefs_setattr(struct dentry *, struct iattr *);
+int orangefs_setattr(struct user_namespace *, struct dentry *, struct iattr *);
-int orangefs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags);
+int orangefs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags);
-int orangefs_permission(struct inode *inode, int mask);
+int orangefs_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask);
int orangefs_update_time(struct inode *, struct timespec64 *, int);
@@ -650,19 +650,20 @@ static int ovl_create_object(struct dentry *dentry, int mode, dev_t rdev,
return err;
}
-static int ovl_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int ovl_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
return ovl_create_object(dentry, (mode & 07777) | S_IFREG, 0, NULL);
}
-static int ovl_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int ovl_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
return ovl_create_object(dentry, (mode & 07777) | S_IFDIR, 0, NULL);
}
-static int ovl_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
- dev_t rdev)
+static int ovl_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
/* Don't allow creation of "whiteout" on overlay */
if (S_ISCHR(mode) && rdev == WHITEOUT_DEV)
@@ -671,8 +672,8 @@ static int ovl_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
return ovl_create_object(dentry, mode, rdev, NULL);
}
-static int ovl_symlink(struct inode *dir, struct dentry *dentry,
- const char *link)
+static int ovl_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *link)
{
return ovl_create_object(dentry, S_IFLNK, 0, link);
}
@@ -1069,9 +1070,9 @@ static int ovl_set_redirect(struct dentry *dentry, bool samedir)
return err;
}
-static int ovl_rename(struct inode *olddir, struct dentry *old,
- struct inode *newdir, struct dentry *new,
- unsigned int flags)
+static int ovl_rename(struct user_namespace *mnt_userns, struct inode *olddir,
+ struct dentry *old, struct inode *newdir,
+ struct dentry *new, unsigned int flags)
{
int err;
struct dentry *old_upperdir;
@@ -14,7 +14,8 @@
#include "overlayfs.h"
-int ovl_setattr(struct dentry *dentry, struct iattr *attr)
+int ovl_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
int err;
bool full_copy_up = false;
@@ -154,8 +155,8 @@ static int ovl_map_dev_ino(struct dentry *dentry, struct kstat *stat, int fsid)
return 0;
}
-int ovl_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int ovl_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
struct dentry *dentry = path->dentry;
enum ovl_path_type type;
@@ -277,7 +278,8 @@ int ovl_getattr(const struct path *path, struct kstat *stat,
return err;
}
-int ovl_permission(struct inode *inode, int mask)
+int ovl_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
struct inode *upperinode = ovl_inode_upper(inode);
struct inode *realinode = upperinode ?: ovl_inode_lower(inode);
@@ -444,10 +444,12 @@ int ovl_set_nlink_lower(struct dentry *dentry);
unsigned int ovl_get_nlink(struct ovl_fs *ofs, struct dentry *lowerdentry,
struct dentry *upperdentry,
unsigned int fallback);
-int ovl_setattr(struct dentry *dentry, struct iattr *attr);
-int ovl_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags);
-int ovl_permission(struct inode *inode, int mask);
+int ovl_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr);
+int ovl_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags);
+int ovl_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask);
int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
const void *value, size_t size, int flags);
int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name,
@@ -1023,7 +1023,7 @@ ovl_posix_acl_xattr_set(const struct xattr_handler *handler,
!capable_wrt_inode_uidgid(&init_user_ns, inode, CAP_FSETID)) {
struct iattr iattr = { .ia_valid = ATTR_KILL_SGID };
- err = ovl_setattr(dentry, &iattr);
+ err = ovl_setattr(&init_user_ns, dentry, &iattr);
if (err)
return err;
}
@@ -593,7 +593,7 @@ int
ret = __posix_acl_chmod(&acl, GFP_KERNEL, mode);
if (ret)
return ret;
- ret = inode->i_op->set_acl(inode, acl, ACL_TYPE_ACCESS);
+ ret = inode->i_op->set_acl(mnt_userns, inode, acl, ACL_TYPE_ACCESS);
posix_acl_release(acl);
return ret;
}
@@ -918,7 +918,7 @@ set_posix_acl(struct user_namespace *mnt_userns, struct inode *inode,
if (ret)
return ret;
}
- return inode->i_op->set_acl(inode, acl, type);
+ return inode->i_op->set_acl(mnt_userns, inode, acl, type);
}
EXPORT_SYMBOL(set_posix_acl);
@@ -966,12 +966,13 @@ const struct xattr_handler posix_acl_default_xattr_handler = {
};
EXPORT_SYMBOL_GPL(posix_acl_default_xattr_handler);
-int simple_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int simple_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
int error;
if (type == ACL_TYPE_ACCESS) {
- error = posix_acl_update_mode(&init_user_ns, inode,
+ error = posix_acl_update_mode(mnt_userns, inode,
&inode->i_mode, &acl);
if (error)
return error;
@@ -685,7 +685,8 @@ static int proc_fd_access_allowed(struct inode *inode)
return allowed;
}
-int proc_setattr(struct dentry *dentry, struct iattr *attr)
+int proc_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
int error;
struct inode *inode = d_inode(dentry);
@@ -726,7 +727,8 @@ static bool has_pid_permissions(struct proc_fs_info *fs_info,
}
-static int proc_pid_permission(struct inode *inode, int mask)
+static int proc_pid_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
struct proc_fs_info *fs_info = proc_sb_info(inode->i_sb);
struct task_struct *task;
@@ -1927,8 +1929,8 @@ struct inode *proc_pid_make_inode(struct super_block * sb,
return NULL;
}
-int pid_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+int pid_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
struct proc_fs_info *fs_info = proc_sb_info(inode->i_sb);
@@ -3473,7 +3475,8 @@ int proc_pid_readdir(struct file *file, struct dir_context *ctx)
* This function makes sure that the node is always accessible for members of
* same thread group.
*/
-static int proc_tid_comm_permission(struct inode *inode, int mask)
+static int proc_tid_comm_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
bool is_same_tgroup;
struct task_struct *task;
@@ -3798,7 +3801,8 @@ static int proc_task_readdir(struct file *file, struct dir_context *ctx)
return 0;
}
-static int proc_task_getattr(const struct path *path, struct kstat *stat,
+static int proc_task_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
@@ -276,7 +276,8 @@ static struct dentry *proc_lookupfd(struct inode *dir, struct dentry *dentry,
* /proc/pid/fd needs a special permission handler so that a process can still
* access /proc/self/fd after it has executed a setuid().
*/
-int proc_fd_permission(struct inode *inode, int mask)
+int proc_fd_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
struct task_struct *p;
int rv;
@@ -10,7 +10,8 @@ extern const struct inode_operations proc_fd_inode_operations;
extern const struct file_operations proc_fdinfo_operations;
extern const struct inode_operations proc_fdinfo_inode_operations;
-extern int proc_fd_permission(struct inode *inode, int mask);
+extern int proc_fd_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask);
static inline unsigned int proc_fd(struct inode *inode)
{
@@ -115,7 +115,8 @@ static bool pde_subdir_insert(struct proc_dir_entry *dir,
return true;
}
-static int proc_notify_change(struct dentry *dentry, struct iattr *iattr)
+static int proc_notify_change(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *iattr)
{
struct inode *inode = d_inode(dentry);
struct proc_dir_entry *de = PDE(inode);
@@ -133,7 +134,8 @@ static int proc_notify_change(struct dentry *dentry, struct iattr *iattr)
return 0;
}
-static int proc_getattr(const struct path *path, struct kstat *stat,
+static int proc_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
@@ -162,8 +162,10 @@ extern int proc_pid_statm(struct seq_file *, struct pid_namespace *,
* base.c
*/
extern const struct dentry_operations pid_dentry_operations;
-extern int pid_getattr(const struct path *, struct kstat *, u32, unsigned int);
-extern int proc_setattr(struct dentry *, struct iattr *);
+extern int pid_getattr(struct user_namespace *, const struct path *,
+ struct kstat *, u32, unsigned int);
+extern int proc_setattr(struct user_namespace *, struct dentry *,
+ struct iattr *);
extern void proc_pid_evict_inode(struct proc_inode *);
extern struct inode *proc_pid_make_inode(struct super_block *, struct task_struct *, umode_t);
extern void pid_update_inode(struct task_struct *, struct inode *);
@@ -289,7 +289,8 @@ static struct dentry *proc_tgid_net_lookup(struct inode *dir,
return de;
}
-static int proc_tgid_net_getattr(const struct path *path, struct kstat *stat,
+static int proc_tgid_net_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
@@ -785,7 +785,8 @@ static int proc_sys_readdir(struct file *file, struct dir_context *ctx)
return 0;
}
-static int proc_sys_permission(struct inode *inode, int mask)
+static int proc_sys_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask)
{
/*
* sysctl entries that are not writeable,
@@ -813,7 +814,8 @@ static int proc_sys_permission(struct inode *inode, int mask)
return error;
}
-static int proc_sys_setattr(struct dentry *dentry, struct iattr *attr)
+static int proc_sys_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error;
@@ -830,7 +832,8 @@ static int proc_sys_setattr(struct dentry *dentry, struct iattr *attr)
return 0;
}
-static int proc_sys_getattr(const struct path *path, struct kstat *stat,
+static int proc_sys_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
@@ -308,7 +308,8 @@ void __init proc_root_init(void)
register_filesystem(&proc_fs_type);
}
-static int proc_root_getattr(const struct path *path, struct kstat *stat,
+static int proc_root_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
generic_fillattr(&init_user_ns, d_inode(path->dentry), stat);
@@ -22,7 +22,7 @@
#include <linux/uaccess.h>
#include "internal.h"
-static int ramfs_nommu_setattr(struct dentry *, struct iattr *);
+static int ramfs_nommu_setattr(struct user_namespace *, struct dentry *, struct iattr *);
static unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
unsigned long addr,
unsigned long len,
@@ -158,7 +158,8 @@ static int ramfs_nommu_resize(struct inode *inode, loff_t newsize, loff_t size)
* handle a change of attributes
* - we're specifically interested in a change of size
*/
-static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia)
+static int ramfs_nommu_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *ia)
{
struct inode *inode = d_inode(dentry);
unsigned int old_ia_valid = ia->ia_valid;
@@ -101,7 +101,8 @@ struct inode *ramfs_get_inode(struct super_block *sb,
*/
/* SMP-safe */
static int
-ramfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
+ramfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t dev)
{
struct inode * inode = ramfs_get_inode(dir->i_sb, dir, mode, dev);
int error = -ENOSPC;
@@ -115,20 +116,23 @@ ramfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
return error;
}
-static int ramfs_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode)
+static int ramfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
- int retval = ramfs_mknod(dir, dentry, mode | S_IFDIR, 0);
+ int retval = ramfs_mknod(&init_user_ns, dir, dentry, mode | S_IFDIR, 0);
if (!retval)
inc_nlink(dir);
return retval;
}
-static int ramfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl)
+static int ramfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
- return ramfs_mknod(dir, dentry, mode | S_IFREG, 0);
+ return ramfs_mknod(&init_user_ns, dir, dentry, mode | S_IFREG, 0);
}
-static int ramfs_symlink(struct inode * dir, struct dentry *dentry, const char * symname)
+static int ramfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
struct inode *inode;
int error = -ENOSPC;
@@ -49,7 +49,8 @@ static inline int reiserfs_acl_count(size_t size)
#ifdef CONFIG_REISERFS_FS_POSIX_ACL
struct posix_acl *reiserfs_get_acl(struct inode *inode, int type);
-int reiserfs_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+int reiserfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
int reiserfs_acl_chmod(struct inode *inode);
int reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
struct inode *dir, struct dentry *dentry,
@@ -3282,7 +3282,8 @@ static ssize_t reiserfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
return ret;
}
-int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
+int reiserfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
unsigned int ia_valid;
@@ -619,8 +619,8 @@ static int new_inode_init(struct inode *inode, struct inode *dir, umode_t mode)
return dquot_initialize(inode);
}
-static int reiserfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int reiserfs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
int retval;
struct inode *inode;
@@ -698,8 +698,8 @@ static int reiserfs_create(struct inode *dir, struct dentry *dentry, umode_t mod
return retval;
}
-static int reiserfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
- dev_t rdev)
+static int reiserfs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
int retval;
struct inode *inode;
@@ -781,7 +781,8 @@ static int reiserfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode
return retval;
}
-static int reiserfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int reiserfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
int retval;
struct inode *inode;
@@ -1094,8 +1095,9 @@ static int reiserfs_unlink(struct inode *dir, struct dentry *dentry)
return retval;
}
-static int reiserfs_symlink(struct inode *parent_dir,
- struct dentry *dentry, const char *symname)
+static int reiserfs_symlink(struct user_namespace *mnt_userns,
+ struct inode *parent_dir, struct dentry *dentry,
+ const char *symname)
{
int retval;
struct inode *inode;
@@ -1304,7 +1306,8 @@ static void set_ino_in_dir_entry(struct reiserfs_dir_entry *de,
* one path. If it holds 2 or more, it can get into endless waiting in
* get_empty_nodes or its clones
*/
-static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry,
+static int reiserfs_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -3102,7 +3102,8 @@ static inline void reiserfs_update_sd(struct reiserfs_transaction_handle *th,
}
void sd_attrs_to_i_attrs(__u16 sd_attrs, struct inode *inode);
-int reiserfs_setattr(struct dentry *dentry, struct iattr *attr);
+int reiserfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr);
int __reiserfs_write_begin(struct page *page, unsigned from, unsigned len);
@@ -66,14 +66,14 @@
static int xattr_create(struct inode *dir, struct dentry *dentry, int mode)
{
BUG_ON(!inode_is_locked(dir));
- return dir->i_op->create(dir, dentry, mode, true);
+ return dir->i_op->create(&init_user_ns, dir, dentry, mode, true);
}
#endif
static int xattr_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
BUG_ON(!inode_is_locked(dir));
- return dir->i_op->mkdir(dir, dentry, mode);
+ return dir->i_op->mkdir(&init_user_ns, dir, dentry, mode);
}
/*
@@ -352,7 +352,7 @@ static int chown_one_xattr(struct dentry *dentry, void *data)
* ATTR_MODE is set.
*/
attrs->ia_valid &= (ATTR_UID|ATTR_GID);
- err = reiserfs_setattr(dentry, attrs);
+ err = reiserfs_setattr(&init_user_ns, dentry, attrs);
attrs->ia_valid = ia_valid;
return err;
@@ -604,7 +604,7 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th,
inode_lock_nested(d_inode(dentry), I_MUTEX_XATTR);
inode_dio_wait(d_inode(dentry));
- err = reiserfs_setattr(dentry, &newattrs);
+ err = reiserfs_setattr(&init_user_ns, dentry, &newattrs);
inode_unlock(d_inode(dentry));
} else
update_ctime(inode);
@@ -948,7 +948,8 @@ static int xattr_mount_check(struct super_block *s)
return 0;
}
-int reiserfs_permission(struct inode *inode, int mask)
+int reiserfs_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask)
{
/*
* We don't do permission checks on the internal objects.
@@ -16,7 +16,8 @@ int reiserfs_xattr_init(struct super_block *sb, int mount_flags);
int reiserfs_lookup_privroot(struct super_block *sb);
int reiserfs_delete_xattrs(struct inode *inode);
int reiserfs_chown_xattrs(struct inode *inode, struct iattr *attrs);
-int reiserfs_permission(struct inode *inode, int mask);
+int reiserfs_permission(struct user_namespace *mnt_userns,
+ struct inode *inode, int mask);
#ifdef CONFIG_REISERFS_FS_XATTR
#define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir)
@@ -18,7 +18,8 @@ static int __reiserfs_set_acl(struct reiserfs_transaction_handle *th,
int
-reiserfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+reiserfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
int error, error2;
struct reiserfs_transaction_handle th;
@@ -75,6 +75,7 @@ EXPORT_SYMBOL(generic_fillattr);
int vfs_getattr_nosec(const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
+ struct user_namespace *mnt_userns;
struct inode *inode = d_backing_inode(path->dentry);
memset(stat, 0, sizeof(*stat));
@@ -91,11 +92,12 @@ int vfs_getattr_nosec(const struct path *path, struct kstat *stat,
if (IS_DAX(inode))
stat->attributes |= STATX_ATTR_DAX;
+ mnt_userns = mnt_user_ns(path->mnt);
if (inode->i_op->getattr)
- return inode->i_op->getattr(path, stat, request_mask,
- query_flags);
+ return inode->i_op->getattr(mnt_userns, path, stat,
+ request_mask, query_flags);
- generic_fillattr(mnt_user_ns(path->mnt), inode, stat);
+ generic_fillattr(mnt_userns, inode, stat);
return 0;
}
EXPORT_SYMBOL(vfs_getattr_nosec);
@@ -29,7 +29,8 @@ const struct file_operations sysv_file_operations = {
.splice_read = generic_file_splice_read,
};
-static int sysv_setattr(struct dentry *dentry, struct iattr *attr)
+static int sysv_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error;
@@ -441,8 +441,8 @@ static unsigned sysv_nblocks(struct super_block *s, loff_t size)
return blocks;
}
-int sysv_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int sysv_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
struct super_block *s = path->dentry->d_sb;
generic_fillattr(&init_user_ns, d_inode(path->dentry), stat);
@@ -41,7 +41,8 @@ static struct dentry *sysv_lookup(struct inode * dir, struct dentry * dentry, un
return d_splice_alias(inode, dentry);
}
-static int sysv_mknod(struct inode * dir, struct dentry * dentry, umode_t mode, dev_t rdev)
+static int sysv_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct inode * inode;
int err;
@@ -60,13 +61,14 @@ static int sysv_mknod(struct inode * dir, struct dentry * dentry, umode_t mode,
return err;
}
-static int sysv_create(struct inode * dir, struct dentry * dentry, umode_t mode, bool excl)
+static int sysv_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
- return sysv_mknod(dir, dentry, mode, 0);
+ return sysv_mknod(&init_user_ns, dir, dentry, mode, 0);
}
-static int sysv_symlink(struct inode * dir, struct dentry * dentry,
- const char * symname)
+static int sysv_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
int err = -ENAMETOOLONG;
int l = strlen(symname)+1;
@@ -108,7 +110,8 @@ static int sysv_link(struct dentry * old_dentry, struct inode * dir,
return add_nondir(dentry, inode);
}
-static int sysv_mkdir(struct inode * dir, struct dentry *dentry, umode_t mode)
+static int sysv_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode * inode;
int err;
@@ -186,9 +189,9 @@ static int sysv_rmdir(struct inode * dir, struct dentry * dentry)
* Anybody can rename anything with this: the permission checks are left to the
* higher-level routines.
*/
-static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry,
- struct inode * new_dir, struct dentry * new_dentry,
- unsigned int flags)
+static int sysv_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct inode * old_inode = d_inode(old_dentry);
struct inode * new_inode = d_inode(new_dentry);
@@ -141,7 +141,8 @@ extern struct inode *sysv_iget(struct super_block *, unsigned int);
extern int sysv_write_inode(struct inode *, struct writeback_control *wbc);
extern int sysv_sync_inode(struct inode *);
extern void sysv_set_inode(struct inode *, dev_t);
-extern int sysv_getattr(const struct path *, struct kstat *, u32, unsigned int);
+extern int sysv_getattr(struct user_namespace *, const struct path *,
+ struct kstat *, u32, unsigned int);
extern int sysv_init_icache(void);
extern void sysv_destroy_icache(void);
@@ -67,7 +67,9 @@ static char *get_dname(struct dentry *dentry)
return name;
}
-static int tracefs_syscall_mkdir(struct inode *inode, struct dentry *dentry, umode_t mode)
+static int tracefs_syscall_mkdir(struct user_namespace *mnt_userns,
+ struct inode *inode, struct dentry *dentry,
+ umode_t mode)
{
char *name;
int ret;
@@ -280,8 +280,8 @@ static int ubifs_prepare_create(struct inode *dir, struct dentry *dentry,
return fscrypt_setup_filename(dir, &dentry->d_name, 0, nm);
}
-static int ubifs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int ubifs_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct inode *inode;
struct ubifs_info *c = dir->i_sb->s_fs_info;
@@ -441,8 +441,8 @@ static int do_tmpfile(struct inode *dir, struct dentry *dentry,
return err;
}
-static int ubifs_tmpfile(struct inode *dir, struct dentry *dentry,
- umode_t mode)
+static int ubifs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
return do_tmpfile(dir, dentry, mode, NULL);
}
@@ -942,7 +942,8 @@ static int ubifs_rmdir(struct inode *dir, struct dentry *dentry)
return err;
}
-static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int ubifs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode *inode;
struct ubifs_inode *dir_ui = ubifs_inode(dir);
@@ -1013,8 +1014,8 @@ static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
return err;
}
-static int ubifs_mknod(struct inode *dir, struct dentry *dentry,
- umode_t mode, dev_t rdev)
+static int ubifs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct inode *inode;
struct ubifs_inode *ui;
@@ -1102,8 +1103,8 @@ static int ubifs_mknod(struct inode *dir, struct dentry *dentry,
return err;
}
-static int ubifs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+static int ubifs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
struct inode *inode;
struct ubifs_inode *ui;
@@ -1542,7 +1543,8 @@ static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry,
return err;
}
-static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry,
+static int ubifs_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -1566,8 +1568,8 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry,
return do_rename(old_dir, old_dentry, new_dir, new_dentry, flags);
}
-int ubifs_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int ubifs_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
loff_t size;
struct inode *inode = d_inode(path->dentry);
@@ -1257,7 +1257,8 @@ static int do_setattr(struct ubifs_info *c, struct inode *inode,
return err;
}
-int ubifs_setattr(struct dentry *dentry, struct iattr *attr)
+int ubifs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
int err;
struct inode *inode = d_inode(dentry);
@@ -1989,13 +1989,14 @@ int ubifs_calc_dark(const struct ubifs_info *c, int spc);
/* file.c */
int ubifs_fsync(struct file *file, loff_t start, loff_t end, int datasync);
-int ubifs_setattr(struct dentry *dentry, struct iattr *attr);
+int ubifs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr);
int ubifs_update_time(struct inode *inode, struct timespec64 *time, int flags);
/* dir.c */
struct inode *ubifs_new_inode(struct ubifs_info *c, struct inode *dir,
umode_t mode);
-int ubifs_getattr(const struct path *path, struct kstat *stat,
+int ubifs_getattr(struct user_namespace *mnt_userns, const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags);
int ubifs_check_dir_empty(struct inode *dir);
@@ -253,7 +253,8 @@ const struct file_operations udf_file_operations = {
.llseek = generic_file_llseek,
};
-static int udf_setattr(struct dentry *dentry, struct iattr *attr)
+static int udf_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct super_block *sb = inode->i_sb;
@@ -604,8 +604,8 @@ static int udf_add_nondir(struct dentry *dentry, struct inode *inode)
return 0;
}
-static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int udf_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct inode *inode = udf_new_inode(dir, mode);
@@ -623,7 +623,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode,
return udf_add_nondir(dentry, inode);
}
-static int udf_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int udf_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode *inode = udf_new_inode(dir, mode);
@@ -642,8 +643,8 @@ static int udf_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
return 0;
}
-static int udf_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
- dev_t rdev)
+static int udf_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct inode *inode;
@@ -658,7 +659,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
return udf_add_nondir(dentry, inode);
}
-static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int udf_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode *inode;
struct udf_fileident_bh fibh;
@@ -877,8 +879,8 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry)
return retval;
}
-static int udf_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+static int udf_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
struct inode *inode = udf_new_inode(dir, S_IFLNK | 0777);
struct pathComponent *pc;
@@ -1065,9 +1067,9 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
/* Anybody can rename anything with this: the permission checks are left to the
* higher-level routines.
*/
-static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int udf_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct inode *old_inode = d_inode(old_dentry);
struct inode *new_inode = d_inode(new_dentry);
@@ -152,8 +152,9 @@ static int udf_symlink_filler(struct file *file, struct page *page)
return err;
}
-static int udf_symlink_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+static int udf_symlink_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
+ u32 request_mask, unsigned int flags)
{
struct dentry *dentry = path->dentry;
struct inode *inode = d_backing_inode(dentry);
@@ -1211,7 +1211,8 @@ static int ufs_truncate(struct inode *inode, loff_t size)
return err;
}
-int ufs_setattr(struct dentry *dentry, struct iattr *attr)
+int ufs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
unsigned int ia_valid = attr->ia_valid;
@@ -69,7 +69,8 @@ static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, unsi
* If the create succeeds, we fill in the inode information
* with d_instantiate().
*/
-static int ufs_create (struct inode * dir, struct dentry * dentry, umode_t mode,
+static int ufs_create (struct user_namespace * mnt_userns,
+ struct inode * dir, struct dentry * dentry, umode_t mode,
bool excl)
{
struct inode *inode;
@@ -85,7 +86,8 @@ static int ufs_create (struct inode * dir, struct dentry * dentry, umode_t mode,
return ufs_add_nondir(dentry, inode);
}
-static int ufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev)
+static int ufs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct inode *inode;
int err;
@@ -104,8 +106,8 @@ static int ufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev
return err;
}
-static int ufs_symlink (struct inode * dir, struct dentry * dentry,
- const char * symname)
+static int ufs_symlink (struct user_namespace * mnt_userns, struct inode * dir,
+ struct dentry * dentry, const char * symname)
{
struct super_block * sb = dir->i_sb;
int err;
@@ -164,7 +166,8 @@ static int ufs_link (struct dentry * old_dentry, struct inode * dir,
return error;
}
-static int ufs_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode)
+static int ufs_mkdir(struct user_namespace * mnt_userns, struct inode * dir,
+ struct dentry * dentry, umode_t mode)
{
struct inode * inode;
int err;
@@ -240,9 +243,9 @@ static int ufs_rmdir (struct inode * dir, struct dentry *dentry)
return err;
}
-static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int ufs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct inode *old_inode = d_inode(old_dentry);
struct inode *new_inode = d_inode(new_dentry);
@@ -123,7 +123,8 @@ extern struct inode *ufs_iget(struct super_block *, unsigned long);
extern int ufs_write_inode (struct inode *, struct writeback_control *);
extern int ufs_sync_inode (struct inode *);
extern void ufs_evict_inode (struct inode *);
-extern int ufs_setattr(struct dentry *dentry, struct iattr *attr);
+extern int ufs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr);
/* namei.c */
extern const struct file_operations ufs_dir_operations;
@@ -288,13 +288,15 @@ static int vboxsf_dir_create(struct inode *parent, struct dentry *dentry,
return 0;
}
-static int vboxsf_dir_mkfile(struct inode *parent, struct dentry *dentry,
+static int vboxsf_dir_mkfile(struct user_namespace *mnt_userns,
+ struct inode *parent, struct dentry *dentry,
umode_t mode, bool excl)
{
return vboxsf_dir_create(parent, dentry, mode, 0);
}
-static int vboxsf_dir_mkdir(struct inode *parent, struct dentry *dentry,
+static int vboxsf_dir_mkdir(struct user_namespace *mnt_userns,
+ struct inode *parent, struct dentry *dentry,
umode_t mode)
{
return vboxsf_dir_create(parent, dentry, mode, 1);
@@ -332,7 +334,8 @@ static int vboxsf_dir_unlink(struct inode *parent, struct dentry *dentry)
return 0;
}
-static int vboxsf_dir_rename(struct inode *old_parent,
+static int vboxsf_dir_rename(struct user_namespace *mnt_userns,
+ struct inode *old_parent,
struct dentry *old_dentry,
struct inode *new_parent,
struct dentry *new_dentry,
@@ -374,7 +377,8 @@ static int vboxsf_dir_rename(struct inode *old_parent,
return err;
}
-static int vboxsf_dir_symlink(struct inode *parent, struct dentry *dentry,
+static int vboxsf_dir_symlink(struct user_namespace *mnt_userns,
+ struct inode *parent, struct dentry *dentry,
const char *symname)
{
struct vboxsf_inode *sf_parent_i = VBOXSF_I(parent);
@@ -212,8 +212,8 @@ int vboxsf_inode_revalidate(struct dentry *dentry)
return 0;
}
-int vboxsf_getattr(const struct path *path, struct kstat *kstat,
- u32 request_mask, unsigned int flags)
+int vboxsf_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *kstat, u32 request_mask, unsigned int flags)
{
int err;
struct dentry *dentry = path->dentry;
@@ -237,7 +237,8 @@ int vboxsf_getattr(const struct path *path, struct kstat *kstat,
return 0;
}
-int vboxsf_setattr(struct dentry *dentry, struct iattr *iattr)
+int vboxsf_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr)
{
struct vboxsf_inode *sf_i = VBOXSF_I(d_inode(dentry));
struct vboxsf_sbi *sbi = VBOXSF_SBI(dentry->d_sb);
@@ -90,9 +90,11 @@ int vboxsf_stat(struct vboxsf_sbi *sbi, struct shfl_string *path,
struct shfl_fsobjinfo *info);
int vboxsf_stat_dentry(struct dentry *dentry, struct shfl_fsobjinfo *info);
int vboxsf_inode_revalidate(struct dentry *dentry);
-int vboxsf_getattr(const struct path *path, struct kstat *kstat,
- u32 request_mask, unsigned int query_flags);
-int vboxsf_setattr(struct dentry *dentry, struct iattr *iattr);
+int vboxsf_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *kstat, u32 request_mask,
+ unsigned int query_flags);
+int vboxsf_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *iattr);
struct shfl_string *vboxsf_path_from_dentry(struct vboxsf_sbi *sbi,
struct dentry *dentry);
int vboxsf_nlscpy(struct vboxsf_sbi *sbi, char *name, size_t name_bound_len,
@@ -238,7 +238,8 @@ xfs_acl_set_mode(
}
int
-xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+xfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
umode_t mode;
bool set_mode = false;
@@ -11,7 +11,8 @@ struct posix_acl;
#ifdef CONFIG_XFS_POSIX_ACL
extern struct posix_acl *xfs_get_acl(struct inode *inode, int type);
-extern int xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+extern int xfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
extern int __xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type);
void xfs_forget_acl(struct inode *inode, const char *name);
#else
@@ -220,29 +220,32 @@ xfs_generic_create(
STATIC int
xfs_vn_mknod(
- struct inode *dir,
- struct dentry *dentry,
- umode_t mode,
- dev_t rdev)
+ struct user_namespace *mnt_userns,
+ struct inode *dir,
+ struct dentry *dentry,
+ umode_t mode,
+ dev_t rdev)
{
return xfs_generic_create(dir, dentry, mode, rdev, false);
}
STATIC int
xfs_vn_create(
- struct inode *dir,
- struct dentry *dentry,
- umode_t mode,
- bool flags)
+ struct user_namespace *mnt_userns,
+ struct inode *dir,
+ struct dentry *dentry,
+ umode_t mode,
+ bool flags)
{
return xfs_generic_create(dir, dentry, mode, 0, false);
}
STATIC int
xfs_vn_mkdir(
- struct inode *dir,
- struct dentry *dentry,
- umode_t mode)
+ struct user_namespace *mnt_userns,
+ struct inode *dir,
+ struct dentry *dentry,
+ umode_t mode)
{
return xfs_generic_create(dir, dentry, mode | S_IFDIR, 0, false);
}
@@ -361,9 +364,10 @@ xfs_vn_unlink(
STATIC int
xfs_vn_symlink(
- struct inode *dir,
- struct dentry *dentry,
- const char *symname)
+ struct user_namespace *mnt_userns,
+ struct inode *dir,
+ struct dentry *dentry,
+ const char *symname)
{
struct inode *inode;
struct xfs_inode *cip = NULL;
@@ -403,11 +407,12 @@ xfs_vn_symlink(
STATIC int
xfs_vn_rename(
- struct inode *odir,
- struct dentry *odentry,
- struct inode *ndir,
- struct dentry *ndentry,
- unsigned int flags)
+ struct user_namespace *mnt_userns,
+ struct inode *odir,
+ struct dentry *odentry,
+ struct inode *ndir,
+ struct dentry *ndentry,
+ unsigned int flags)
{
struct inode *new_inode = d_inode(ndentry);
int omode = 0;
@@ -529,6 +534,7 @@ xfs_stat_blksize(
STATIC int
xfs_vn_getattr(
+ struct user_namespace *mnt_userns,
const struct path *path,
struct kstat *stat,
u32 request_mask,
@@ -1047,6 +1053,7 @@ xfs_vn_setattr_size(
STATIC int
xfs_vn_setattr(
+ struct user_namespace *mnt_userns,
struct dentry *dentry,
struct iattr *iattr)
{
@@ -1144,9 +1151,10 @@ xfs_vn_fiemap(
STATIC int
xfs_vn_tmpfile(
- struct inode *dir,
- struct dentry *dentry,
- umode_t mode)
+ struct user_namespace *mnt_userns,
+ struct inode *dir,
+ struct dentry *dentry,
+ umode_t mode)
{
return xfs_generic_create(dir, dentry, mode, 0, true);
}
@@ -480,7 +480,8 @@ static int zonefs_file_truncate(struct inode *inode, loff_t isize)
return ret;
}
-static int zonefs_inode_setattr(struct dentry *dentry, struct iattr *iattr)
+static int zonefs_inode_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *iattr)
{
struct inode *inode = d_inode(dentry);
int ret;
@@ -1930,22 +1930,28 @@ struct file_operations {
struct inode_operations {
struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);
const char * (*get_link) (struct dentry *, struct inode *, struct delayed_call *);
- int (*permission) (struct inode *, int);
+ int (*permission) (struct user_namespace *, struct inode *, int);
struct posix_acl * (*get_acl)(struct inode *, int);
int (*readlink) (struct dentry *, char __user *,int);
- int (*create) (struct inode *,struct dentry *, umode_t, bool);
+ int (*create) (struct user_namespace *, struct inode *,struct dentry *,
+ umode_t, bool);
int (*link) (struct dentry *,struct inode *,struct dentry *);
int (*unlink) (struct inode *,struct dentry *);
- int (*symlink) (struct inode *,struct dentry *,const char *);
- int (*mkdir) (struct inode *,struct dentry *,umode_t);
+ int (*symlink) (struct user_namespace *, struct inode *,struct dentry *,
+ const char *);
+ int (*mkdir) (struct user_namespace *, struct inode *,struct dentry *,
+ umode_t);
int (*rmdir) (struct inode *,struct dentry *);
- int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t);
- int (*rename) (struct inode *, struct dentry *,
+ int (*mknod) (struct user_namespace *, struct inode *,struct dentry *,
+ umode_t,dev_t);
+ int (*rename) (struct user_namespace *, struct inode *, struct dentry *,
struct inode *, struct dentry *, unsigned int);
- int (*setattr) (struct dentry *, struct iattr *);
- int (*getattr) (const struct path *, struct kstat *, u32, unsigned int);
+ int (*setattr) (struct user_namespace *, struct dentry *,
+ struct iattr *);
+ int (*getattr) (struct user_namespace *, const struct path *,
+ struct kstat *, u32, unsigned int);
ssize_t (*listxattr) (struct dentry *, char *, size_t);
int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
u64 len);
@@ -1953,8 +1959,10 @@ struct inode_operations {
int (*atomic_open)(struct inode *, struct dentry *,
struct file *, unsigned open_flag,
umode_t create_mode);
- int (*tmpfile) (struct inode *, struct dentry *, umode_t);
- int (*set_acl)(struct inode *, struct posix_acl *, int);
+ int (*tmpfile) (struct user_namespace *, struct inode *,
+ struct dentry *, umode_t);
+ int (*set_acl)(struct user_namespace *, struct inode *,
+ struct posix_acl *, int);
} ____cacheline_aligned;
static inline ssize_t call_read_iter(struct file *file, struct kiocb *kio,
@@ -3227,15 +3235,18 @@ extern int dcache_dir_open(struct inode *, struct file *);
extern int dcache_dir_close(struct inode *, struct file *);
extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
extern int dcache_readdir(struct file *, struct dir_context *);
-extern int simple_setattr(struct dentry *, struct iattr *);
-extern int simple_getattr(const struct path *, struct kstat *, u32, unsigned int);
+extern int simple_setattr(struct user_namespace *, struct dentry *,
+ struct iattr *);
+extern int simple_getattr(struct user_namespace *, const struct path *,
+ struct kstat *, u32, unsigned int);
extern int simple_statfs(struct dentry *, struct kstatfs *);
extern int simple_open(struct inode *inode, struct file *file);
extern int simple_link(struct dentry *, struct inode *, struct dentry *);
extern int simple_unlink(struct inode *, struct dentry *);
extern int simple_rmdir(struct inode *, struct dentry *);
-extern int simple_rename(struct inode *, struct dentry *,
- struct inode *, struct dentry *, unsigned int);
+extern int simple_rename(struct user_namespace *, struct inode *,
+ struct dentry *, struct inode *, struct dentry *,
+ unsigned int);
extern void simple_recursive_removal(struct dentry *,
void (*callback)(struct dentry *));
extern int noop_fsync(struct file *, loff_t, loff_t, int);
@@ -379,10 +379,11 @@ extern int nfs_refresh_inode(struct inode *, struct nfs_fattr *);
extern int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr);
extern int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fattr);
extern int nfs_post_op_update_inode_force_wcc_locked(struct inode *inode, struct nfs_fattr *fattr);
-extern int nfs_getattr(const struct path *, struct kstat *, u32, unsigned int);
+extern int nfs_getattr(struct user_namespace *, const struct path *,
+ struct kstat *, u32, unsigned int);
extern void nfs_access_add_cache(struct inode *, struct nfs_access_entry *);
extern void nfs_access_set_mask(struct nfs_access_entry *, u32);
-extern int nfs_permission(struct inode *, int);
+extern int nfs_permission(struct user_namespace *, struct inode *, int);
extern int nfs_open(struct inode *, struct file *);
extern int nfs_attribute_cache_expired(struct inode *inode);
extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode);
@@ -390,7 +391,7 @@ extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *);
extern bool nfs_mapping_need_revalidate_inode(struct inode *inode);
extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping);
extern int nfs_revalidate_mapping_rcu(struct inode *inode);
-extern int nfs_setattr(struct dentry *, struct iattr *);
+extern int nfs_setattr(struct user_namespace *, struct dentry *, struct iattr *);
extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr, struct nfs_fattr *);
extern void nfs_setsecurity(struct inode *inode, struct nfs_fattr *fattr,
struct nfs4_label *label);
@@ -79,7 +79,8 @@ extern int posix_acl_create(struct inode *, umode_t *, struct posix_acl **,
int posix_acl_update_mode(struct user_namespace *, struct inode *, umode_t *,
struct posix_acl **);
-extern int simple_set_acl(struct inode *, struct posix_acl *, int);
+extern int simple_set_acl(struct user_namespace *, struct inode *,
+ struct posix_acl *, int);
extern int simple_acl_create(struct inode *, struct inode *);
struct posix_acl *get_cached_acl(struct inode *inode, int type);
@@ -594,8 +594,8 @@ static int mqueue_create_attr(struct dentry *dentry, umode_t mode, void *arg)
return error;
}
-static int mqueue_create(struct inode *dir, struct dentry *dentry,
- umode_t mode, bool excl)
+static int mqueue_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
return mqueue_create_attr(dentry, mode, NULL);
}
@@ -152,7 +152,8 @@ static void bpf_dentry_finalize(struct dentry *dentry, struct inode *inode,
dir->i_ctime = dir->i_mtime;
}
-static int bpf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int bpf_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode *inode;
@@ -381,8 +382,8 @@ bpf_lookup(struct inode *dir, struct dentry *dentry, unsigned flags)
return simple_lookup(dir, dentry, flags);
}
-static int bpf_symlink(struct inode *dir, struct dentry *dentry,
- const char *target)
+static int bpf_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *target)
{
char *link = kstrdup(target, GFP_USER | __GFP_NOWARN);
struct inode *inode;
@@ -1060,7 +1060,8 @@ void shmem_truncate_range(struct inode *inode, loff_t lstart, loff_t lend)
}
EXPORT_SYMBOL_GPL(shmem_truncate_range);
-static int shmem_getattr(const struct path *path, struct kstat *stat,
+static int shmem_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
struct inode *inode = path->dentry->d_inode;
@@ -1080,7 +1081,8 @@ static int shmem_getattr(const struct path *path, struct kstat *stat,
return 0;
}
-static int shmem_setattr(struct dentry *dentry, struct iattr *attr)
+static int shmem_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct shmem_inode_info *info = SHMEM_I(inode);
@@ -2917,7 +2919,8 @@ static int shmem_statfs(struct dentry *dentry, struct kstatfs *buf)
* File creation. Allocate an inode, and we're done..
*/
static int
-shmem_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
+shmem_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t dev)
{
struct inode *inode;
int error = -ENOSPC;
@@ -2946,7 +2949,8 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
}
static int
-shmem_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+shmem_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct inode *inode;
int error = -ENOSPC;
@@ -2969,20 +2973,22 @@ shmem_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
return error;
}
-static int shmem_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int shmem_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
int error;
- if ((error = shmem_mknod(dir, dentry, mode | S_IFDIR, 0)))
+ if ((error = shmem_mknod(&init_user_ns, dir, dentry,
+ mode | S_IFDIR, 0)))
return error;
inc_nlink(dir);
return 0;
}
-static int shmem_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int shmem_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
- return shmem_mknod(dir, dentry, mode | S_IFREG, 0);
+ return shmem_mknod(&init_user_ns, dir, dentry, mode | S_IFREG, 0);
}
/*
@@ -3062,7 +3068,8 @@ static int shmem_exchange(struct inode *old_dir, struct dentry *old_dentry, stru
return 0;
}
-static int shmem_whiteout(struct inode *old_dir, struct dentry *old_dentry)
+static int shmem_whiteout(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry)
{
struct dentry *whiteout;
int error;
@@ -3071,7 +3078,7 @@ static int shmem_whiteout(struct inode *old_dir, struct dentry *old_dentry)
if (!whiteout)
return -ENOMEM;
- error = shmem_mknod(old_dir, whiteout,
+ error = shmem_mknod(&init_user_ns, old_dir, whiteout,
S_IFCHR | WHITEOUT_MODE, WHITEOUT_DEV);
dput(whiteout);
if (error)
@@ -3094,7 +3101,10 @@ static int shmem_whiteout(struct inode *old_dir, struct dentry *old_dentry)
* it exists so that the VFS layer correctly free's it when it
* gets overwritten.
*/
-static int shmem_rename2(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags)
+static int shmem_rename2(struct user_namespace *mnt_userns,
+ struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode *inode = d_inode(old_dentry);
int they_are_dirs = S_ISDIR(inode->i_mode);
@@ -3111,7 +3121,7 @@ static int shmem_rename2(struct inode *old_dir, struct dentry *old_dentry, struc
if (flags & RENAME_WHITEOUT) {
int error;
- error = shmem_whiteout(old_dir, old_dentry);
+ error = shmem_whiteout(&init_user_ns, old_dir, old_dentry);
if (error)
return error;
}
@@ -3135,7 +3145,8 @@ static int shmem_rename2(struct inode *old_dir, struct dentry *old_dentry, struc
return 0;
}
-static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
+static int shmem_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
int error;
int len;
@@ -538,9 +538,10 @@ static ssize_t sockfs_listxattr(struct dentry *dentry, char *buffer,
return used;
}
-static int sockfs_setattr(struct dentry *dentry, struct iattr *iattr)
+static int sockfs_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *iattr)
{
- int err = simple_setattr(dentry, iattr);
+ int err = simple_setattr(&init_user_ns, dentry, iattr);
if (!err && (iattr->ia_valid & ATTR_UID)) {
struct socket *sock = SOCKET_I(d_inode(dentry));
@@ -1773,7 +1773,8 @@ int __aafs_profile_mkdir(struct aa_profile *profile, struct dentry *parent)
return error;
}
-static int ns_mkdir_op(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int ns_mkdir_op(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct aa_ns *ns, *parent;
/* TODO: improve permission check */
@@ -219,7 +219,7 @@ static ssize_t evm_write_xattrs(struct file *file, const char __user *buf,
newattrs.ia_valid = ATTR_MODE;
inode = evm_xattrs->d_inode;
inode_lock(inode);
- err = simple_setattr(evm_xattrs, &newattrs);
+ err = simple_setattr(&init_user_ns, evm_xattrs, &newattrs);
inode_unlock(inode);
if (!err)
err = count;