Merge tag 'block-5.14-2021-07-08' of git://git.kernel.dk/linux-block

Pull more block updates from Jens Axboe:
 "A combination of changes that ended up depending on both the driver
  and core branch (and/or the IDE removal), and a few late arriving
  fixes. In detail:

   - Fix io ticks wrap-around issue (Chunguang)

   - nvme-tcp sock locking fix (Maurizio)

   - s390-dasd fixes (Kees, Christoph)

   - blk_execute_rq polling support (Keith)

   - blk-cgroup RCU iteration fix (Yu)

   - nbd backend ID addition (Prasanna)

   - Partition deletion fix (Yufen)

   - Use blk_mq_alloc_disk for mmc, mtip32xx, ubd (Christoph)

   - Removal of now dead block request types due to IDE removal
     (Christoph)

   - Loop probing and control device cleanups (Christoph)

   - Device uevent fix (Christoph)

   - Misc cleanups/fixes (Tetsuo, Christoph)"

* tag 'block-5.14-2021-07-08' of git://git.kernel.dk/linux-block: (34 commits)
  blk-cgroup: prevent rcu_sched detected stalls warnings while iterating blkgs
  block: fix the problem of io_ticks becoming smaller
  nvme-tcp: can't set sk_user_data without write_lock
  loop: remove unused variable in loop_set_status()
  block: remove the bdgrab in blk_drop_partitions
  block: grab a device refcount in disk_uevent
  s390/dasd: Avoid field over-reading memcpy()
  dasd: unexport dasd_set_target_state
  block: check disk exist before trying to add partition
  ubd: remove dead code in ubd_setup_common
  nvme: use return value from blk_execute_rq()
  block: return errors from blk_execute_rq()
  nvme: use blk_execute_rq() for passthrough commands
  block: support polling through blk_execute_rq
  block: remove REQ_OP_SCSI_{IN,OUT}
  block: mark blk_mq_init_queue_data static
  loop: rewrite loop_exit using idr_for_each_entry
  loop: split loop_lookup
  loop: don't allow deleting an unspecified loop device
  loop: move loop_ctl_mutex locking into loop_add
  ...

1 files changed, 10 insertions, 13 deletions

diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index d600e0a4a460..cc3261777637 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -424,9 +424,10 @@ static inline bool mmc_merge_capable(struct mmc_host *host)
  *
  * Initialise a MMC card request queue.
  */
-int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
+struct gendisk *mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
 {
 	struct mmc_host *host = card->host;
+	struct gendisk *disk;
 	int ret;
 
 	mq->card = card;
@@ -464,26 +465,22 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
 
 	ret = blk_mq_alloc_tag_set(&mq->tag_set);
 	if (ret)
-		return ret;
+		return ERR_PTR(ret);
+		
 
-	mq->queue = blk_mq_init_queue(&mq->tag_set);
-	if (IS_ERR(mq->queue)) {
-		ret = PTR_ERR(mq->queue);
-		goto free_tag_set;
+	disk = blk_mq_alloc_disk(&mq->tag_set, mq);
+	if (IS_ERR(disk)) {
+		blk_mq_free_tag_set(&mq->tag_set);
+		return disk;
 	}
+	mq->queue = disk->queue;
 
 	if (mmc_host_is_spi(host) && host->use_spi_crc)
 		blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, mq->queue);
-
-	mq->queue->queuedata = mq;
 	blk_queue_rq_timeout(mq->queue, 60 * HZ);
 
 	mmc_setup_queue(mq, card);
-	return 0;
-
-free_tag_set:
-	blk_mq_free_tag_set(&mq->tag_set);
-	return ret;
+	return disk;
 }
 
 void mmc_queue_suspend(struct mmc_queue *mq)