diff options
Diffstat (limited to 'drivers/md/linear.c')
| -rw-r--r-- | drivers/md/linear.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 5810fa906af0..1ceceb334d5e 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -108,6 +108,9 @@ static int linear_congested(void *data, int bits) linear_conf_t *conf; int i, ret = 0; + if (mddev_congested(mddev, bits)) + return 1; + rcu_read_lock(); conf = rcu_dereference(mddev->private); @@ -220,6 +223,7 @@ static int linear_run (mddev_t *mddev) mddev->queue->unplug_fn = linear_unplug; mddev->queue->backing_dev_info.congested_fn = linear_congested; mddev->queue->backing_dev_info.congested_data = mddev; + md_integrity_register(mddev); return 0; } @@ -256,6 +260,7 @@ static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev) rcu_assign_pointer(mddev->private, newconf); md_set_array_sectors(mddev, linear_size(mddev, 0, 0)); set_capacity(mddev->gendisk, mddev->array_sectors); + revalidate_disk(mddev->gendisk); call_rcu(&oldconf->rcu, free_conf); return 0; } @@ -286,7 +291,7 @@ static int linear_make_request (struct request_queue *q, struct bio *bio) sector_t start_sector; int cpu; - if (unlikely(bio_barrier(bio))) { + if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) { bio_endio(bio, -EOPNOTSUPP); return 0; } |