[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 c99e905..e61e218 100644 (file)
--- 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;
        }