@@ -556,6 +556,8 @@ struct fuse_fs_context {
bool default_permissions:1;
bool allow_other:1;
bool destroy:1;
+ bool no_control:1;
+ bool no_force_umount:1;
unsigned int max_read;
unsigned int blksize;
const char *subtype;
@@ -784,6 +786,12 @@ struct fuse_conn {
/* Delete dentries that have gone stale */
unsigned int delete_stale:1;
+ /** Do not create entry in fusectl fs */
+ unsigned int no_control:1;
+
+ /** Do not allow MNT_FORCE umount */
+ unsigned int no_force_umount:1;
+
/** The number of requests waiting for completion */
atomic_t num_waiting;
@@ -364,7 +364,10 @@ void fuse_unlock_inode(struct inode *inode, bool locked)
static void fuse_umount_begin(struct super_block *sb)
{
- fuse_abort_conn(get_fuse_conn_super(sb));
+ struct fuse_conn *fc = get_fuse_conn_super(sb);
+
+ if (!fc->no_force_umount)
+ fuse_abort_conn(fc);
}
static void fuse_send_destroy(struct fuse_conn *fc)
@@ -1153,6 +1156,8 @@ int fuse_fill_super_common(struct super_block *sb, struct fuse_fs_context *ctx)
fc->user_id = ctx->user_id;
fc->group_id = ctx->group_id;
fc->max_read = max_t(unsigned, 4096, ctx->max_read);
+ fc->no_control = ctx->no_control;
+ fc->no_force_umount = ctx->no_force_umount;
err = -ENOMEM;
root = fuse_get_root_inode(sb, ctx->rootmode);