static void rbd_free_disk(struct rbd_device *rbd_dev)
{
- blk_cleanup_queue(rbd_dev->disk->queue);
+ blk_cleanup_disk(rbd_dev->disk);
blk_mq_free_tag_set(&rbd_dev->tag_set);
- put_disk(rbd_dev->disk);
rbd_dev->disk = NULL;
}
rbd_dev->layout.object_size * rbd_dev->layout.stripe_count;
int err;
- /* create gendisk info */
- disk = alloc_disk(single_major ?
- (1 << RBD_SINGLE_MAJOR_PART_SHIFT) :
- RBD_MINORS_PER_MAJOR);
- if (!disk)
- return -ENOMEM;
-
- snprintf(disk->disk_name, sizeof(disk->disk_name), RBD_DRV_NAME "%d",
- rbd_dev->dev_id);
- disk->major = rbd_dev->major;
- disk->first_minor = rbd_dev->minor;
- if (single_major)
- disk->flags |= GENHD_FL_EXT_DEVT;
- disk->fops = &rbd_bd_ops;
- disk->private_data = rbd_dev;
-
memset(&rbd_dev->tag_set, 0, sizeof(rbd_dev->tag_set));
rbd_dev->tag_set.ops = &rbd_mq_ops;
rbd_dev->tag_set.queue_depth = rbd_dev->opts->queue_depth;
err = blk_mq_alloc_tag_set(&rbd_dev->tag_set);
if (err)
- goto out_disk;
+ return err;
- q = blk_mq_init_queue(&rbd_dev->tag_set);
- if (IS_ERR(q)) {
- err = PTR_ERR(q);
+ disk = blk_mq_alloc_disk(&rbd_dev->tag_set, rbd_dev);
+ if (IS_ERR(disk)) {
+ err = PTR_ERR(disk);
goto out_tag_set;
}
+ q = disk->queue;
+
+ snprintf(disk->disk_name, sizeof(disk->disk_name), RBD_DRV_NAME "%d",
+ rbd_dev->dev_id);
+ disk->major = rbd_dev->major;
+ disk->first_minor = rbd_dev->minor;
+ if (single_major) {
+ disk->minors = (1 << RBD_SINGLE_MAJOR_PART_SHIFT);
+ disk->flags |= GENHD_FL_EXT_DEVT;
+ } else {
+ disk->minors = RBD_MINORS_PER_MAJOR;
+ }
+ disk->fops = &rbd_bd_ops;
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
/* QUEUE_FLAG_ADD_RANDOM is off by default for blk-mq */
if (!ceph_test_opt(rbd_dev->rbd_client->client, NOCRC))
blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, q);
- /*
- * disk_release() expects a queue ref from add_disk() and will
- * put it. Hold an extra ref until add_disk() is called.
- */
- WARN_ON(!blk_get_queue(q));
- disk->queue = q;
- q->queuedata = rbd_dev;
-
rbd_dev->disk = disk;
return 0;
out_tag_set:
blk_mq_free_tag_set(&rbd_dev->tag_set);
-out_disk:
- put_disk(disk);
return err;
}
goto err_out_image_lock;
device_add_disk(&rbd_dev->dev, rbd_dev->disk, NULL);
- /* see rbd_init_disk() */
- blk_put_queue(rbd_dev->disk->queue);
spin_lock(&rbd_dev_list_lock);
list_add_tail(&rbd_dev->node, &rbd_dev_list);