[PATCH] r/o bind mounts: monitor zeroing of i_nlink

Some filesystems, instead of simply decrementing i_nlink, simply zero it
during an unlink operation.  We need to catch these in addition to the
decrement operations.

Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c
index cfef6ad529a7..37d681b4f216 100644
--- a/fs/hfs/dir.c
+++ b/fs/hfs/dir.c
@@ -273,7 +273,7 @@ static int hfs_rmdir(struct inode *dir, struct dentry *dentry)
         res = hfs_cat_delete(inode->i_ino, dir, &dentry->d_name);
         if (res)
                 return res;
-        inode->i_nlink = 0;
+        clear_nlink(inode);
         inode->i_ctime = CURRENT_TIME_SEC;
         hfs_delete_inode(inode);
         mark_inode_dirty(inode);