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Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r--drivers/md/raid5.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index dd0d00108a31..6ba394082129 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -88,12 +88,14 @@ static void __release_stripe(raid5_conf_t *conf, struct stripe_head *sh)
88 BUG_ON(!list_empty(&sh->lru)); 88 BUG_ON(!list_empty(&sh->lru));
89 BUG_ON(atomic_read(&conf->active_stripes)==0); 89 BUG_ON(atomic_read(&conf->active_stripes)==0);
90 if (test_bit(STRIPE_HANDLE, &sh->state)) { 90 if (test_bit(STRIPE_HANDLE, &sh->state)) {
91 if (test_bit(STRIPE_DELAYED, &sh->state)) 91 if (test_bit(STRIPE_DELAYED, &sh->state)) {
92 list_add_tail(&sh->lru, &conf->delayed_list); 92 list_add_tail(&sh->lru, &conf->delayed_list);
93 else if (test_bit(STRIPE_BIT_DELAY, &sh->state) && 93 blk_plug_device(conf->mddev->queue);
94 conf->seq_write == sh->bm_seq) 94 } else if (test_bit(STRIPE_BIT_DELAY, &sh->state) &&
95 conf->seq_write == sh->bm_seq) {
95 list_add_tail(&sh->lru, &conf->bitmap_list); 96 list_add_tail(&sh->lru, &conf->bitmap_list);
96 else { 97 blk_plug_device(conf->mddev->queue);
98 } else {
97 clear_bit(STRIPE_BIT_DELAY, &sh->state); 99 clear_bit(STRIPE_BIT_DELAY, &sh->state);
98 list_add_tail(&sh->lru, &conf->handle_list); 100 list_add_tail(&sh->lru, &conf->handle_list);
99 } 101 }
@@ -2555,13 +2557,6 @@ static int raid5_issue_flush(request_queue_t *q, struct gendisk *disk,
2555 return ret; 2557 return ret;
2556} 2558}
2557 2559
2558static inline void raid5_plug_device(raid5_conf_t *conf)
2559{
2560 spin_lock_irq(&conf->device_lock);
2561 blk_plug_device(conf->mddev->queue);
2562 spin_unlock_irq(&conf->device_lock);
2563}
2564
2565static int make_request(request_queue_t *q, struct bio * bi) 2560static int make_request(request_queue_t *q, struct bio * bi)
2566{ 2561{
2567 mddev_t *mddev = q->queuedata; 2562 mddev_t *mddev = q->queuedata;
@@ -2671,7 +2666,6 @@ static int make_request(request_queue_t *q, struct bio * bi)
2671 goto retry; 2666 goto retry;
2672 } 2667 }
2673 finish_wait(&conf->wait_for_overlap, &w); 2668 finish_wait(&conf->wait_for_overlap, &w);
2674 raid5_plug_device(conf);
2675 handle_stripe(sh, NULL); 2669 handle_stripe(sh, NULL);
2676 release_stripe(sh); 2670 release_stripe(sh);
2677 } else { 2671 } else {