diff options
| -rw-r--r-- | drivers/md/raid5.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 63bfb0757829..2d6f1a51359c 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3159,7 +3159,8 @@ static void raid5_activate_delayed(raid5_conf_t *conf) atomic_inc(&conf->preread_active_stripes); list_add_tail(&sh->lru, &conf->handle_list); } - } + } else + blk_plug_device(conf->mddev->queue); } static void activate_bit_delay(raid5_conf_t *conf) @@ -3549,7 +3550,8 @@ static int make_request(struct request_queue *q, struct bio * bi) goto retry; } finish_wait(&conf->wait_for_overlap, &w); - handle_stripe(sh, NULL); + set_bit(STRIPE_HANDLE, &sh->state); + clear_bit(STRIPE_DELAYED, &sh->state); release_stripe(sh); } else { /* cannot get stripe for read-ahead, just give-up */ @@ -3892,7 +3894,7 @@ static int retry_aligned_read(raid5_conf_t *conf, struct bio *raid_bio) * During the scan, completed stripes are saved for us by the interrupt * handler, so that they will not have to wait for our next wakeup. */ -static void raid5d (mddev_t *mddev) +static void raid5d(mddev_t *mddev) { struct stripe_head *sh; raid5_conf_t *conf = mddev_to_conf(mddev); @@ -3917,12 +3919,6 @@ static void raid5d (mddev_t *mddev) activate_bit_delay(conf); } - if (list_empty(&conf->handle_list) && - atomic_read(&conf->preread_active_stripes) < IO_THRESHOLD && - !blk_queue_plugged(mddev->queue) && - !list_empty(&conf->delayed_list)) - raid5_activate_delayed(conf); - while ((bio = remove_bio_from_retry(conf))) { int ok; spin_unlock_irq(&conf->device_lock); |