Merge tag 'block-6.10-20240523' of git://git.kernel.dk/linux

Pull more block updates from Jens Axboe:
 "Followup block updates, mostly due to NVMe being a bit late to the
  party. But nothing major in there, so not a big deal.

  In detail, this contains:

   - NVMe pull request via Keith:
       - Fabrics connection retries (Daniel, Hannes)
       - Fabrics logging enhancements (Tokunori)
       - RDMA delete optimization (Sagi)

   - ublk DMA alignment fix (me)

   - null_blk sparse warning fixes (Bart)

   - Discard support for brd (Keith)

   - blk-cgroup list corruption fixes (Ming)

   - blk-cgroup stat propagation fix (Waiman)

   - Regression fix for plugging stall with md (Yu)

   - Misc fixes or cleanups (David, Jeff, Justin)"

* tag 'block-6.10-20240523' of git://git.kernel.dk/linux: (24 commits)
  null_blk: fix null-ptr-dereference while configuring 'power' and 'submit_queues'
  blk-throttle: remove unused struct 'avg_latency_bucket'
  block: fix lost bio for plug enabled bio based device
  block: t10-pi: add MODULE_DESCRIPTION()
  blk-mq: add helper for checking if one CPU is mapped to specified hctx
  blk-cgroup: Properly propagate the iostat update up the hierarchy
  blk-cgroup: fix list corruption from reorder of WRITE ->lqueued
  blk-cgroup: fix list corruption from resetting io stat
  cdrom: rearrange last_media_change check to avoid unintentional overflow
  nbd: Fix signal handling
  nbd: Remove a local variable from nbd_send_cmd()
  nbd: Improve the documentation of the locking assumptions
  nbd: Remove superfluous casts
  nbd: Use NULL to represent a pointer
  brd: implement discard support
  null_blk: Fix two sparse warnings
  ublk_drv: set DMA alignment mask to 3
  nvme-rdma, nvme-tcp: include max reconnects for reconnect logging
  nvmet-rdma: Avoid o(n^2) loop in delete_ctrl
  nvme: do not retry authentication failures
  ...

diff --cc block/blk-core.c
index ea44b13af9afee5c5a38c0800814adaee7cca681,dd29d5465af672868d0c0c874413de1c5a5ef7d3..82c3ae22d76d88c2aabbf4927291abde1dd87398
--- 1/block/blk-core.c
--- 2/block/blk-core.c
+++ b/block/blk-core.c
@@@ -618,7 -619,9 +621,9 @@@ static void __submit_bio(struct bio *bi
        if (unlikely(!blk_crypto_bio_prep(&bio)))
                return;
  
 -      if (!bio->bi_bdev->bd_has_submit_bio) {
+       blk_start_plug(&plug);
+ 
 +      if (!bdev_test_flag(bio->bi_bdev, BD_HAS_SUBMIT_BIO)) {
                blk_mq_submit_bio(bio);
        } else if (likely(bio_queue_enter(bio) == 0)) {
                struct gendisk *disk = bio->bi_bdev->bd_disk;

diff --cc block/blk-mq.c
Simple merge