@@ -2486,6 +2486,149 @@ leave:
return status;
}
+/* An orphan dir name is an 8 byte value, printed as a hex string */
+#define OCFS2_ORPHAN_NAMELEN ((int)(2 * sizeof(u64)))
+int ocfs2_add_inode_to_orphan(struct ocfs2_super *osb,
+ handle_t *handle, struct inode *inode)
+{
+ char orphan_name[OCFS2_ORPHAN_NAMELEN + 1];
+ struct inode *orphan_dir_inode = NULL;
+ struct ocfs2_dir_lookup_result orphan_insert = { NULL, };
+ struct buffer_head *di_bh = NULL;
+ int status = 0;
+ bool inode_locked = false;
+
+ status = ocfs2_inode_lock(inode, &di_bh, 1);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out;
+ }
+ inode_locked = true;
+
+ status = ocfs2_prepare_orphan_dir(osb, &orphan_dir_inode,
+ OCFS2_I(inode)->ip_blkno,
+ orphan_name,
+ &orphan_insert);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out;
+ }
+
+ status = ocfs2_journal_access_di(handle, INODE_CACHE(inode), di_bh,
+ OCFS2_JOURNAL_ACCESS_WRITE);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out;
+ }
+
+ status = ocfs2_orphan_add(osb, handle, inode, di_bh, orphan_name,
+ &orphan_insert, orphan_dir_inode);
+ if (status) {
+ mlog_errno(status);
+ goto out;
+ }
+
+out:
+ brelse(di_bh);
+
+ if (inode_locked)
+ ocfs2_inode_unlock(inode, 1);
+
+ if (orphan_dir_inode) {
+ ocfs2_inode_unlock(orphan_dir_inode, 1);
+ mutex_unlock(&orphan_dir_inode->i_mutex);
+ iput(orphan_dir_inode);
+ }
+ ocfs2_free_dir_lookup_result(&orphan_insert);
+
+ return status;
+}
+
+int ocfs2_del_inode_from_orphan(struct ocfs2_super *osb,
+ handle_t *handle, struct inode *inode)
+{
+ struct inode *orphan_dir_inode = NULL;
+ struct buffer_head *orphan_dir_bh = NULL;
+ struct buffer_head *di_bh = NULL;
+ struct ocfs2_dinode *di = NULL;
+ bool orphan_dir_locked = false;
+ int status = 0;
+
+ orphan_dir_inode = ocfs2_get_system_file_inode(osb,
+ ORPHAN_DIR_SYSTEM_INODE,
+ osb->slot_num);
+ if (!orphan_dir_inode) {
+ status = -EEXIST;
+ mlog_errno(status);
+ goto out;
+ }
+
+ mutex_lock(&orphan_dir_inode->i_mutex);
+ status = ocfs2_inode_lock(orphan_dir_inode, &orphan_dir_bh, 1);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out;
+ }
+ orphan_dir_locked = true;
+
+ status = ocfs2_journal_access_di(handle,
+ INODE_CACHE(orphan_dir_inode),
+ orphan_dir_bh,
+ OCFS2_JOURNAL_ACCESS_WRITE);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out;
+ }
+
+ status = ocfs2_orphan_del(osb, handle, orphan_dir_inode,
+ inode, orphan_dir_bh);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out;
+ }
+
+ status = ocfs2_inode_lock(inode, &di_bh, 1);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out;
+ }
+ di = (struct ocfs2_dinode *) di_bh->b_data;
+
+ /*
+ * We're going to journal the change of i_flags and i_orphaned_slot.
+ * It's safe anyway, though some callers may duplicate the journaling.
+ * Journaling within the func just make the logic look more
+ * straightforward.
+ */
+ status = ocfs2_journal_access_di(handle,
+ INODE_CACHE(inode),
+ di_bh,
+ OCFS2_JOURNAL_ACCESS_WRITE);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out;
+ }
+
+ di->i_flags &= ~cpu_to_le32(OCFS2_ORPHANED_FL);
+ OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;
+
+ di->i_orphaned_slot = 0;
+ ocfs2_journal_dirty(handle, di_bh);
+
+ ocfs2_inode_unlock(inode, 1);
+
+out:
+ brelse(orphan_dir_bh);
+
+ if (orphan_dir_inode) {
+ if (orphan_dir_locked)
+ ocfs2_inode_unlock(orphan_dir_inode, 1);
+ mutex_unlock(&orphan_dir_inode->i_mutex);
+ iput(orphan_dir_inode);
+ }
+ return status;
+}
+
int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,
struct inode *inode,
struct dentry *dentry)
@@ -51,6 +51,12 @@ int ocfs2_orphan_del(struct ocfs2_super *osb,
int ocfs2_create_inode_in_orphan(struct inode *dir,
int mode,
struct inode **new_inode);
+int ocfs2_add_inode_to_orphan(struct ocfs2_super *osb,
+ handle_t *handle,
+ struct inode *inode);
+int ocfs2_del_inode_from_orphan(struct ocfs2_super *osb,
+ handle_t *handle,
+ struct inode *inode);
int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,
struct inode *new_inode,
struct dentry *new_dentry);
This commit adds two functions to add inode to orphan dir and remove inode from orphan dir. Here the original functions ocfs2_orphan_add and ocfs2_orphan_del are called respectively. Signed-off-by: Weiwei Wang <wangww631@huawei.com> --- fs/ocfs2/namei.c | 143 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ fs/ocfs2/namei.h | 6 +++ 2 files changed, 149 insertions(+)