Merge tag 'for-5.18/block-2022-03-18' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:

 - BFQ cleanups and fixes (Yu, Zhang, Yahu, Paolo)

 - blk-rq-qos completion fix (Tejun)

 - blk-cgroup merge fix (Tejun)

 - Add offline error return value to distinguish it from an IO error on
   the device (Song)

 - IO stats fixes (Zhang, Christoph)

 - blkcg refcount fixes (Ming, Yu)

 - Fix for indefinite dispatch loop softlockup (Shin'ichiro)

 - blk-mq hardware queue management improvements (Ming)

 - sbitmap dead code removal (Ming, John)

 - Plugging merge improvements (me)

 - Show blk-crypto capabilities in sysfs (Eric)

 - Multiple delayed queue run improvement (David)

 - Block throttling fixes (Ming)

 - Start deprecating auto module loading based on dev_t (Christoph)

 - bio allocation improvements (Christoph, Chaitanya)

 - Get rid of bio_devname (Christoph)

 - bio clone improvements (Christoph)

 - Block plugging improvements (Christoph)

 - Get rid of genhd.h header (Christoph)

 - Ensure drivers use appropriate flush helpers (Christoph)

 - Refcounting improvements (Christoph)

 - Queue initialization and teardown improvements (Ming, Christoph)

 - Misc fixes/improvements (Barry, Chaitanya, Colin, Dan, Jiapeng,
   Lukas, Nian, Yang, Eric, Chengming)

* tag 'for-5.18/block-2022-03-18' of git://git.kernel.dk/linux-block: (127 commits)
  block: cancel all throttled bios in del_gendisk()
  block: let blkcg_gq grab request queue's refcnt
  block: avoid use-after-free on throttle data
  block: limit request dispatch loop duration
  block/bfq-iosched: Fix spelling mistake "tenative" -> "tentative"
  sr: simplify the local variable initialization in sr_block_open()
  block: don't merge across cgroup boundaries if blkcg is enabled
  block: fix rq-qos breakage from skipping rq_qos_done_bio()
  block: flush plug based on hardware and software queue order
  block: ensure plug merging checks the correct queue at least once
  block: move rq_qos_exit() into disk_release()
  block: do more work in elevator_exit
  block: move blk_exit_queue into disk_release
  block: move q_usage_counter release into blk_queue_release
  block: don't remove hctx debugfs dir from blk_mq_exit_queue
  block: move blkcg initialization/destroy into disk allocation/release handler
  sr: implement ->free_disk to simplify refcounting
  sd: implement ->free_disk to simplify refcounting
  sd: delay calling free_opal_dev
  sd: call sd_zbc_release_disk before releasing the scsi_device reference
  ...

diff --cc MAINTAINERS
Simple merge

diff --cc arch/m68k/bvme6000/config.c
Simple merge

diff --cc arch/m68k/kernel/setup_mm.c
Simple merge

diff --cc arch/m68k/mvme147/config.c
Simple merge

diff --cc arch/m68k/mvme16x/config.c
Simple merge

diff --cc block/bfq-iosched.c
Simple merge

diff --cc block/bio-integrity.c
Simple merge

diff --cc block/blk-core.c
index 779b4a1,a97918d..9c14dea
--- 1/block/blk-core.c
--- 2/block/blk-core.c
+++ b/block/blk-core.c
@@@ -49,8 -48,8 +48,9 @@@
  #include "blk.h"
  #include "blk-mq-sched.h"
  #include "blk-pm.h"
+ #include "blk-cgroup.h"
  #include "blk-throttle.h"
 +#include "blk-rq-qos.h"
  
  struct dentry *blk_debugfs_root;
  

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

diff --cc block/elevator.c
Simple merge

diff --cc block/fops.c
Simple merge

diff --cc block/genhd.c
Simple merge

diff --cc drivers/block/mtip32xx/mtip32xx.c
Simple merge

diff --cc drivers/block/virtio_blk.c
index 8c415be,5c636ca..35399a9
--- 1/drivers/block/virtio_blk.c
--- 2/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@@ -69,13 -69,9 +69,6 @@@ struct virtio_blk 
        /* Process context for config space updates */
        struct work_struct config_work;
  
-       /*
-        * Tracks references from block_device_operations open/release and
-        * virtio_driver probe/remove so this object can be freed once no
-        * longer in use.
-        */
-       refcount_t refs;
 -      /* What host tells us, plus 2 for header & tailer. */
 -      unsigned int sg_elems;
--
        /* Ida index - used to track minor number allocations. */
        int index;
  

diff --cc drivers/char/random.c
Simple merge

diff --cc drivers/md/dm.c
Simple merge

diff --cc drivers/md/md.c
Simple merge

diff --cc fs/btrfs/disk-io.c
Simple merge

diff --cc fs/btrfs/extent_io.c
Simple merge

diff --cc fs/erofs/zdata.c
Simple merge

diff --cc fs/iomap/buffered-io.c
Simple merge

diff --cc include/linux/blkdev.h
Simple merge

diff --cc kernel/exit.c
Simple merge

diff --cc kernel/power/hibernate.c
Simple merge

diff --cc kernel/power/swap.c
Simple merge

diff --cc kernel/sched/core.c
Simple merge

diff --cc security/integrity/ima/ima_policy.c
Simple merge