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hfsplus: fix rename over directories 

When renaming over a directory we need to use hfsplus_rmdir instead of
hfsplus_unlink to evict the victim.  This makes sure we properly error out
on non-empty directory as required by Posix (BZ #16571), and it also makes
sure we do the right thing in case i_nlink will every be set correctly for
directories on hfsplus.

Reported-by: Vlado Plaga <rechner@vlado-do.de>
Signed-off-by: Christoph Hellwig <hch@tuxera.com>
This commit is contained in:
Christoph Hellwig 2010-10-01 09:12:08 +02:00 committed by Christoph Hellwig
parent 467c3d9cd5
commit 40de9a7ceb
1 changed files with 4 additions and 1 deletions
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5
fs/hfsplus/dir.c
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@ -452,7 +452,10 @@ static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry,
/* Unlink destination if it already exists */
if (new_dentry->d_inode) {
res = hfsplus_unlink(new_dir, new_dentry);
if (S_ISDIR(new_dentry->d_inode->i_mode))
res = hfsplus_rmdir(new_dir, new_dentry);
else
res = hfsplus_unlink(new_dir, new_dentry);
if (res)
return res;
}