Merge branch 'for-6.13/block' into for-next

* for-6.13/block: (87 commits)
  block: remove the ioprio field from struct request
  block: remove the write_hint field from struct request
  nvme-multipath: don't bother clearing max_hw_zone_append_sectors
  block: pre-calculate max_zone_append_sectors
  block: lift bio_is_zone_append to bio.h
  block: fix bio_split_rw_at to take zone_write_granularity into account
  block: take chunk_sectors into account in bio_split_write_zeroes
  md/raid10: Handle bio_split() errors
  md/raid1: Handle bio_split() errors
  md/raid0: Handle bio_split() errors
  block: Handle bio_split() errors in bio_submit_split()
  block: Error an attempt to split an atomic write in bio_split()
  block: Rework bio_split() return value
  ublk: fix ublk_ch_mmap() for 64K page size
  s390/dasd: Fix typo in comment
  s390/dasd: fix redundant /proc/dasd* entries removal
  loop: fix type of block size
  MAINTAINERS: Make Yu Kuai co-maintainer of md/raid subsystem
  md/raid5: Wait sync io to finish before changing group cnt
  block: don't verify IO lock for freeze/unfreeze in elevator_init_mq()
  ...

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --cc MAINTAINERS
Simple merge

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

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

diff --cc drivers/md/raid10.c
Simple merge

diff --cc drivers/nvme/host/core.c
index 855b42c92284dfeb648fdf3643175c9b7ea27cca,3de7555a7de74b0c469df89dfed14bcb47872263..67c4dd26c2dea07930481b57139777ed62fcbfe1
--- 1/drivers/nvme/host/core.c
--- 2/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@@ -4893,9 -4863,8 +4893,9 @@@ void nvme_unfreeze(struct nvme_ctrl *ct
        int srcu_idx;
  
        srcu_idx = srcu_read_lock(&ctrl->srcu);
 -      list_for_each_entry_rcu(ns, &ctrl->namespaces, list)
 +      list_for_each_entry_srcu(ns, &ctrl->namespaces, list,
 +                               srcu_read_lock_held(&ctrl->srcu))
-               blk_mq_unfreeze_queue(ns->queue);
+               blk_mq_unfreeze_queue_non_owner(ns->queue);
        srcu_read_unlock(&ctrl->srcu, srcu_idx);
        clear_bit(NVME_CTRL_FROZEN, &ctrl->flags);
  }
@@@ -4938,9 -4905,13 +4938,14 @@@ void nvme_start_freeze(struct nvme_ctr
  
        set_bit(NVME_CTRL_FROZEN, &ctrl->flags);
        srcu_idx = srcu_read_lock(&ctrl->srcu);
 -      list_for_each_entry_rcu(ns, &ctrl->namespaces, list)
 +      list_for_each_entry_srcu(ns, &ctrl->namespaces, list,
 +                               srcu_read_lock_held(&ctrl->srcu))
-               blk_freeze_queue_start(ns->queue);
+               /*
+                * Typical non_owner use case is from pci driver, in which
+                * start_freeze is called from timeout work function, but
+                * unfreeze is done in reset work context
+                */
+               blk_freeze_queue_start_non_owner(ns->queue);
        srcu_read_unlock(&ctrl->srcu, srcu_idx);
  }
  EXPORT_SYMBOL_GPL(nvme_start_freeze);

diff --cc drivers/nvme/host/ioctl.c
Simple merge

diff --cc drivers/scsi/sd_zbc.c
Simple merge

diff --cc lib/iov_iter.c
Simple merge