vfs: push dentry_unhash on rename_dir into file systems

Only a few file systems need this.  Start by pushing it down into each
rename method (except gfs2 and xfs) so that it can be dealt with on a
per-fs basis.

Acked-by: Christoph Hellwig <hch@lst.de>
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 13:06:07 -07:00 committed by Al Viro
parent 79bf7c732b
commit e4eaac06bc
36 changed files with 110 additions and 12 deletions

View file

@ -1227,6 +1227,9 @@ static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry,
unsigned long savelink = 1;
struct timespec ctime;
if (new_dentry->d_inode && S_ISDIR(new_dentry->d_inode->i_mode))
dentry_unhash(new_dentry);
/* three balancings: (1) old name removal, (2) new name insertion
and (3) maybe "save" link insertion
stat data updates: (1) old directory,