[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/cifs/inode.c b/fs/cifs/inode.c
index 76b7fb34101a..6b90ef98e4cf 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -818,7 +818,7 @@ int cifs_rmdir(struct inode *inode, struct dentry *direntry)
         if (!rc) {
                 drop_nlink(inode);
                 i_size_write(direntry->d_inode,0);
-                direntry->d_inode->i_nlink = 0;
+                clear_nlink(direntry->d_inode);
         }
 
         cifsInode = CIFS_I(direntry->d_inode);