diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/aoe/aoeblk.c | 5 | ||||
| -rw-r--r-- | drivers/block/rbd.c | 32 | ||||
| -rw-r--r-- | drivers/block/virtio_blk.c | 7 |
3 files changed, 27 insertions, 17 deletions
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index d2dbf8aaccb5..b1b47d88f5db 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -333,6 +333,7 @@ aoeblk_gdalloc(void *vp) struct gendisk *gd; mempool_t *mp; struct blk_mq_tag_set *set; + sector_t ssize; ulong flags; int late = 0; int err; @@ -396,7 +397,7 @@ aoeblk_gdalloc(void *vp) gd->minors = AOE_PARTITIONS; gd->fops = &aoe_bdops; gd->private_data = d; - set_capacity(gd, d->ssize); + ssize = d->ssize; snprintf(gd->disk_name, sizeof gd->disk_name, "etherd/e%ld.%d", d->aoemajor, d->aoeminor); @@ -405,6 +406,8 @@ aoeblk_gdalloc(void *vp) spin_unlock_irqrestore(&d->lock, flags); + set_capacity(gd, ssize); + err = device_add_disk(NULL, gd, aoe_attr_groups); if (err) goto out_disk_cleanup; diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index a999b698b131..12b5d53ec856 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3452,14 +3452,15 @@ static bool rbd_lock_add_request(struct rbd_img_request *img_req) static void rbd_lock_del_request(struct rbd_img_request *img_req) { struct rbd_device *rbd_dev = img_req->rbd_dev; - bool need_wakeup; + bool need_wakeup = false; lockdep_assert_held(&rbd_dev->lock_rwsem); spin_lock(&rbd_dev->lock_lists_lock); - rbd_assert(!list_empty(&img_req->lock_item)); - list_del_init(&img_req->lock_item); - need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING && - list_empty(&rbd_dev->running_list)); + if (!list_empty(&img_req->lock_item)) { + list_del_init(&img_req->lock_item); + need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING && + list_empty(&rbd_dev->running_list)); + } spin_unlock(&rbd_dev->lock_lists_lock); if (need_wakeup) complete(&rbd_dev->releasing_wait); @@ -3842,14 +3843,19 @@ static void wake_lock_waiters(struct rbd_device *rbd_dev, int result) return; } - list_for_each_entry(img_req, &rbd_dev->acquiring_list, lock_item) { + while (!list_empty(&rbd_dev->acquiring_list)) { + img_req = list_first_entry(&rbd_dev->acquiring_list, + struct rbd_img_request, lock_item); mutex_lock(&img_req->state_mutex); rbd_assert(img_req->state == RBD_IMG_EXCLUSIVE_LOCK); + if (!result) + list_move_tail(&img_req->lock_item, + &rbd_dev->running_list); + else + list_del_init(&img_req->lock_item); rbd_img_schedule(img_req, result); mutex_unlock(&img_req->state_mutex); } - - list_splice_tail_init(&rbd_dev->acquiring_list, &rbd_dev->running_list); } static bool locker_equal(const struct ceph_locker *lhs, @@ -5326,7 +5332,7 @@ static void rbd_dev_release(struct device *dev) if (need_put) { destroy_workqueue(rbd_dev->task_wq); - ida_simple_remove(&rbd_dev_id_ida, rbd_dev->dev_id); + ida_free(&rbd_dev_id_ida, rbd_dev->dev_id); } rbd_dev_free(rbd_dev); @@ -5402,9 +5408,9 @@ static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc, return NULL; /* get an id and fill in device name */ - rbd_dev->dev_id = ida_simple_get(&rbd_dev_id_ida, 0, - minor_to_rbd_dev_id(1 << MINORBITS), - GFP_KERNEL); + rbd_dev->dev_id = ida_alloc_max(&rbd_dev_id_ida, + minor_to_rbd_dev_id(1 << MINORBITS) - 1, + GFP_KERNEL); if (rbd_dev->dev_id < 0) goto fail_rbd_dev; @@ -5425,7 +5431,7 @@ static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc, return rbd_dev; fail_dev_id: - ida_simple_remove(&rbd_dev_id_ida, rbd_dev->dev_id); + ida_free(&rbd_dev_id_ida, rbd_dev->dev_id); fail_rbd_dev: rbd_dev_free(rbd_dev); return NULL; diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 5bf98fd6a651..2bf14a0e2815 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -1593,14 +1593,15 @@ static int virtblk_freeze(struct virtio_device *vdev) { struct virtio_blk *vblk = vdev->priv; + /* Ensure no requests in virtqueues before deleting vqs. */ + blk_mq_freeze_queue(vblk->disk->queue); + /* Ensure we don't receive any more interrupts */ virtio_reset_device(vdev); /* Make sure no work handler is accessing the device. */ flush_work(&vblk->config_work); - blk_mq_quiesce_queue(vblk->disk->queue); - vdev->config->del_vqs(vdev); kfree(vblk->vqs); @@ -1618,7 +1619,7 @@ static int virtblk_restore(struct virtio_device *vdev) virtio_device_ready(vdev); - blk_mq_unquiesce_queue(vblk->disk->queue); + blk_mq_unfreeze_queue(vblk->disk->queue); return 0; } #endif |