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btrfs: remove unnecessary dentry_unhash in rmdir/rename_dir

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Btrfs has no problems with lingering references to unlinked directory
inodes.

CC: Chris Mason <chris.mason@oracle.com>
CC: linux-btrfs@vger.kernel.org
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Sage Weil 2011-05-24 13:06:15 -07:00 committed by Al Viro
parent 051e8f0ee2
commit f64f58f854
1 changed files with 0 additions and 5 deletions
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5
fs/btrfs/inode.c
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@ -3062,8 +3062,6 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
inode->i_ino == BTRFS_FIRST_FREE_OBJECTID)
return -ENOTEMPTY;
dentry_unhash(dentry);
trans = __unlink_start_trans(dir, dentry);
if (IS_ERR(trans))
return PTR_ERR(trans);
@ -6994,9 +6992,6 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
u64 root_objectid;
int ret;
if (new_inode && S_ISDIR(new_dentry->d_inode->i_mode))
dentry_unhash(new_dentry);
if (new_dir->i_ino == BTRFS_EMPTY_SUBVOL_DIR_OBJECTID)
return -EPERM;