Merge tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:

 - Series of merge handling cleanups (Baolin, Christoph)

 - Series of blk-throttle fixes and cleanups (Baolin)

 - Series cleaning up BDI, seperating the block device from the
   backing_dev_info (Christoph)

 - Removal of bdget() as a generic API (Christoph)

 - Removal of blkdev_get() as a generic API (Christoph)

 - Cleanup of is-partition checks (Christoph)

 - Series reworking disk revalidation (Christoph)

 - Series cleaning up bio flags (Christoph)

 - bio crypt fixes (Eric)

 - IO stats inflight tweak (Gabriel)

 - blk-mq tags fixes (Hannes)

 - Buffer invalidation fixes (Jan)

 - Allow soft limits for zone append (Johannes)

 - Shared tag set improvements (John, Kashyap)

 - Allow IOPRIO_CLASS_RT for CAP_SYS_NICE (Khazhismel)

 - DM no-wait support (Mike, Konstantin)

 - Request allocation improvements (Ming)

 - Allow md/dm/bcache to use IO stat helpers (Song)

 - Series improving blk-iocost (Tejun)

 - Various cleanups (Geert, Damien, Danny, Julia, Tetsuo, Tian, Wang,
   Xianting, Yang, Yufen, yangerkun)

* tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block: (191 commits)
  block: fix uapi blkzoned.h comments
  blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue
  blk-mq: get rid of the dead flush handle code path
  block: get rid of unnecessary local variable
  block: fix comment and add lockdep assert
  blk-mq: use helper function to test hw stopped
  block: use helper function to test queue register
  block: remove redundant mq check
  block: invoke blk_mq_exit_sched no matter whether have .exit_sched
  percpu_ref: don't refer to ref->data if it isn't allocated
  block: ratelimit handle_bad_sector() message
  blk-throttle: Re-use the throtl_set_slice_end()
  blk-throttle: Open code __throtl_de/enqueue_tg()
  blk-throttle: Move service tree validation out of the throtl_rb_first()
  blk-throttle: Move the list operation after list validation
  blk-throttle: Fix IO hang for a corner case
  blk-throttle: Avoid tracking latency if low limit is invalid
  blk-throttle: Avoid getting the current time if tg->last_finish_time is 0
  blk-throttle: Remove a meaningless parameter for throtl_downgrade_state()
  block: Remove redundant 'return' statement
  ...

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

diff --cc block/bio.c
Simple merge

diff --cc block/blk-mq-sched.h
Simple merge

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

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

diff --cc block/partitions/core.c
Simple merge

diff --cc block/scsi_ioctl.c
Simple merge

diff --cc drivers/block/drbd/drbd_main.c
Simple merge

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

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

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

diff --cc drivers/mmc/core/queue.c
Simple merge

diff --cc drivers/nvdimm/pmem.c
Simple merge

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

diff --cc drivers/nvme/host/nvme.h
Simple merge

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

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

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

diff --cc fs/fs-writeback.c
Simple merge

diff --cc fs/vboxsf/super.c
Simple merge

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

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

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

diff --cc kernel/power/user.c
index 047f598,6510a8f..740723b
--- 1/kernel/power/user.c
--- 2/kernel/power/user.c
+++ b/kernel/power/user.c
@@@ -69,11 -69,12 +69,10 @@@ static int snapshot_open(struct inode *
        memset(&data->handle, 0, sizeof(struct snapshot_handle));
        if ((filp->f_flags & O_ACCMODE) == O_RDONLY) {
                /* Hibernating.  The image device should be accessible. */
-               data->swap = swsusp_resume_device ?
-                       swap_type_of(swsusp_resume_device, 0, NULL) : -1;
+               data->swap = swap_type_of(swsusp_resume_device, 0);
                data->mode = O_RDONLY;
                data->free_bitmaps = false;
 -              error = __pm_notifier_call_chain(PM_HIBERNATION_PREPARE, -1, &nr_calls);
 -              if (error)
 -                      __pm_notifier_call_chain(PM_POST_HIBERNATION, --nr_calls, NULL);
 +              error = pm_notifier_call_chain_robust(PM_HIBERNATION_PREPARE, PM_POST_HIBERNATION);
        } else {
                /*
                 * Resuming.  We may need to wait for the image device to

diff --cc mm/filemap.c
Simple merge

diff --cc mm/memcontrol.c
Simple merge

diff --cc mm/migrate.c
Simple merge

diff --cc mm/mmap.c
Simple merge

diff --cc mm/page_io.c
Simple merge

diff --cc mm/swapfile.c
Simple merge