1 --- linux-3.6.0-0.3.fc.el6.x86_64/drivers/md/raid5.c.orig 2012-11-21 08:51:15.312175089 -0500
2 +++ linux-3.6.0-0.3.fc.el6.x86_64/drivers/md/raid5.c 2012-11-21 09:02:38.415174560 -0500
3 @@ -2394,6 +2394,8 @@ static int add_stripe_bio(struct stripe_
6 raid5_inc_bi_active_stripes(bi);
7 + if ((bi->bi_rw & REQ_SYNC) && !forwrite)
8 + clear_bit(R5_UPTODATE, &sh->dev[dd_idx].flags); /* force to read from disk. */
11 /* check if page is covered */
12 @@ -4217,6 +4222,9 @@ static void make_request(struct mddev *m
17 + if (bi->bi_rw & REQ_SYNC)
18 + md_wakeup_thread(mddev->thread);
21 static sector_t raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks);