From a8a75a20e9a854685ac3e7af2e0e32f9b0be436b Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mark.fasheh@oracle.com>
Date: Fri, 26 Jan 2007 10:46:59 -0800
Subject: [PATCH] ocfs2: fix thinko in ocfs2_backup_super_blkno()

Fix a bug which was introduced when I synced up ocfs2_fs.h with ocfs2-tools.
We can't do u64/u32 in kernel.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index c99e9058..e61e218 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -587,7 +587,7 @@ static inline u64 ocfs2_backup_super_blkno(struct super_block *sb, int index)
 
 	if (index >= 0 && index < OCFS2_MAX_BACKUP_SUPERBLOCKS) {
 		offset <<= (2 * index);
-		offset /= sb->s_blocksize;
+		offset >>= sb->s_blocksize_bits;
 		return offset;
 	}
 
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