summaryrefslogtreecommitdiffstats
path: root/drivers/md/raid1.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r--drivers/md/raid1.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 15dd59b..d7e9577 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2548,6 +2548,7 @@ static struct r1conf *setup_conf(struct mddev *mddev)
err = -EINVAL;
spin_lock_init(&conf->device_lock);
rdev_for_each(rdev, mddev) {
+ struct request_queue *q;
int disk_idx = rdev->raid_disk;
if (disk_idx >= mddev->raid_disks
|| disk_idx < 0)
@@ -2560,6 +2561,9 @@ static struct r1conf *setup_conf(struct mddev *mddev)
if (disk->rdev)
goto abort;
disk->rdev = rdev;
+ q = bdev_get_queue(rdev->bdev);
+ if (q->merge_bvec_fn)
+ mddev->merge_check_needed = 1;
disk->head_position = 0;
}