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vfs: push dentry_unhash on rename_dir into file systems

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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
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fs/jffs2/dir.c
+3
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@@ -786,6 +786,9 @@ static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry,
uint8_t type;
uint32_t now;
if (new_dentry->d_inode && S_ISDIR(new_dentry->d_inode->i_mode))
dentry_unhash(new_dentry);
/* The VFS will check for us and prevent trying to rename a
* file over a directory and vice versa, but if it's a directory,
* the VFS can't check whether the victim is empty. The filesystem