diff options
Diffstat (limited to 'drivers/md/raid10.c')
| -rw-r--r-- | drivers/md/raid10.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index a95ada1cfac4..4e53792aa520 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -453,7 +453,7 @@ static sector_t raid10_find_virt(conf_t *conf, sector_t sector, int dev) * If near_copies == raid_disk, there are no striping issues, * but in that case, the function isn't called at all. */ -static int raid10_mergeable_bvec(request_queue_t *q, struct bio *bio, +static int raid10_mergeable_bvec(struct request_queue *q, struct bio *bio, struct bio_vec *bio_vec) { mddev_t *mddev = q->queuedata; @@ -595,7 +595,7 @@ static void unplug_slaves(mddev_t *mddev) for (i=0; i<mddev->raid_disks; i++) { mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev); if (rdev && !test_bit(Faulty, &rdev->flags) && atomic_read(&rdev->nr_pending)) { - request_queue_t *r_queue = bdev_get_queue(rdev->bdev); + struct request_queue *r_queue = bdev_get_queue(rdev->bdev); atomic_inc(&rdev->nr_pending); rcu_read_unlock(); @@ -610,7 +610,7 @@ static void unplug_slaves(mddev_t *mddev) rcu_read_unlock(); } -static void raid10_unplug(request_queue_t *q) +static void raid10_unplug(struct request_queue *q) { mddev_t *mddev = q->queuedata; @@ -618,7 +618,7 @@ static void raid10_unplug(request_queue_t *q) md_wakeup_thread(mddev->thread); } -static int raid10_issue_flush(request_queue_t *q, struct gendisk *disk, +static int raid10_issue_flush(struct request_queue *q, struct gendisk *disk, sector_t *error_sector) { mddev_t *mddev = q->queuedata; @@ -630,7 +630,7 @@ static int raid10_issue_flush(request_queue_t *q, struct gendisk *disk, mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev); if (rdev && !test_bit(Faulty, &rdev->flags)) { struct block_device *bdev = rdev->bdev; - request_queue_t *r_queue = bdev_get_queue(bdev); + struct request_queue *r_queue = bdev_get_queue(bdev); if (!r_queue->issue_flush_fn) ret = -EOPNOTSUPP; @@ -658,7 +658,7 @@ static int raid10_congested(void *data, int bits) for (i = 0; i < mddev->raid_disks && ret == 0; i++) { mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev); if (rdev && !test_bit(Faulty, &rdev->flags)) { - request_queue_t *q = bdev_get_queue(rdev->bdev); + struct request_queue *q = bdev_get_queue(rdev->bdev); ret |= bdi_congested(&q->backing_dev_info, bits); } @@ -772,7 +772,7 @@ static void unfreeze_array(conf_t *conf) spin_unlock_irq(&conf->resync_lock); } -static int make_request(request_queue_t *q, struct bio * bio) +static int make_request(struct request_queue *q, struct bio * bio) { mddev_t *mddev = q->queuedata; conf_t *conf = mddev_to_conf(mddev); @@ -917,6 +917,13 @@ static int make_request(request_queue_t *q, struct bio * bio) bio_list_add(&bl, mbio); } + if (unlikely(!atomic_read(&r10_bio->remaining))) { + /* the array is dead */ + md_write_end(mddev); + raid_end_bio_io(r10_bio); + return 0; + } + bitmap_startwrite(mddev->bitmap, bio->bi_sector, r10_bio->sectors, 0); spin_lock_irqsave(&conf->device_lock, flags); bio_list_merge(&conf->pending_bio_list, &bl); @@ -1557,7 +1564,6 @@ static void raid10d(mddev_t *mddev) bio = r10_bio->devs[r10_bio->read_slot].bio; r10_bio->devs[r10_bio->read_slot].bio = mddev->ro ? IO_BLOCKED : NULL; - bio_put(bio); mirror = read_balance(conf, r10_bio); if (mirror == -1) { printk(KERN_ALERT "raid10: %s: unrecoverable I/O" @@ -1565,8 +1571,10 @@ static void raid10d(mddev_t *mddev) bdevname(bio->bi_bdev,b), (unsigned long long)r10_bio->sector); raid_end_bio_io(r10_bio); + bio_put(bio); } else { const int do_sync = bio_sync(r10_bio->master_bio); + bio_put(bio); rdev = conf->mirrors[mirror].rdev; if (printk_ratelimit()) printk(KERN_ERR "raid10: %s: redirecting sector %llu to" |