From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 17 Apr 2008 15:58:30 +0000 (-0400)
Subject: Btrfs: Avoid 64 bit div for RAID10
X-Git-Tag: v2.6.29-rc1~27^2~9^2~55^2~56^2~30^2~224
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=7bf3b490dfa57bdef5892dffa5021469a0cd2b7f;p=linux-2.6-omap-h63xx.git

Btrfs: Avoid 64 bit div for RAID10

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 0e658c1d821..c11b6fd408a 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -724,7 +724,7 @@ again:
 	if (type & (BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_DUP))
 		*num_bytes = calc_size;
 	else if (type & BTRFS_BLOCK_GROUP_RAID10)
-		*num_bytes = calc_size * num_stripes / sub_stripes;
+		*num_bytes = calc_size * (num_stripes / sub_stripes);
 	else
 		*num_bytes = calc_size * num_stripes;