[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>
diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c
index cfef6ad..37d681b 100644
--- a/fs/hfs/dir.c
+++ b/fs/hfs/dir.c
@@ -273,7 +273,7 @@
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);