diff options
Diffstat (limited to 'drivers/md/linear.c')
| -rw-r--r-- | drivers/md/linear.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 6ba3227e29b2..b19205ea1a10 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -68,7 +68,7 @@ static int linear_congested(struct mddev *mddev, int bits) for (i = 0; i < conf->raid_disks && !ret ; i++) { struct request_queue *q = bdev_get_queue(conf->disks[i].rdev->bdev); - ret |= bdi_congested(&q->backing_dev_info, bits); + ret |= bdi_congested(q->backing_dev_info, bits); } rcu_read_unlock(); @@ -223,7 +223,8 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev) * oldconf until no one uses it anymore. */ mddev_suspend(mddev); - oldconf = rcu_dereference(mddev->private); + oldconf = rcu_dereference_protected(mddev->private, + lockdep_is_held(&mddev->reconfig_mutex)); mddev->raid_disks++; WARN_ONCE(mddev->raid_disks != newconf->raid_disks, "copied raid_disks doesn't match mddev->raid_disks"); |