[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/qnx4/namei.c b/fs/qnx4/namei.c
index ad5afa4ea8f3..733cdf01d645 100644
--- a/fs/qnx4/namei.c
+++ b/fs/qnx4/namei.c
@@ -186,7 +186,7 @@ int qnx4_rmdir(struct inode *dir, struct dentry *dentry)
         memset(de->di_fname, 0, sizeof de->di_fname);
         de->di_mode = 0;
         mark_buffer_dirty(bh);
-        inode->i_nlink = 0;
+        clear_nlink(inode);
         mark_inode_dirty(inode);
         inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC;
         inode_dec_link_count(dir);