commit a78ef704a8dd430225955f0709b22d4a6ba21deb
author Miklos Szeredi <mszeredi@suse.cz> Fri Oct 28 14:13:30 2011 +0200
committer Christoph Hellwig <hch@serles.lst.de> Wed Nov 02 12:53:43 2011 +0100
tree ebd8f8a5a257077912b7cc38ecfdab43e1d7d73d
parent bfe8684869601dacfcb2cd69ef8cfd9045f62170

vfs: protect i_nlink

Prevent direct modification of i_nlink by making it const and adding a
non-const __i_nlink alias.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Tested-by: Toshiyuki Okajima <toshi.okajima@jp.fujitsu.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

fs/inode.c

diff --git a/fs/inode.c b/fs/inode.c
index ecbb68d..ee4e66b 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -142,7 +142,7 @@
 	atomic_set(&inode->i_count, 1);
 	inode->i_op = &empty_iops;
 	inode->i_fop = &empty_fops;
-	inode->i_nlink = 1;
+	inode->__i_nlink = 1;
 	inode->i_opflags = 0;
 	inode->i_uid = 0;
 	inode->i_gid = 0;