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Jan Kara 4b838d9ee9 block: Fix handling of tasks without ioprio in ioprio_get(2) 
ioprio_get(2) can be asked to return the best IO priority from several
tasks (IOPRIO_WHO_PGRP, IOPRIO_WHO_USER). Currently the call treats
tasks without set IO priority as having priority
IOPRIO_CLASS_BE/IOPRIO_BE_NORM however this does not really reflect the
IO priority the task will get (which depends on task's nice value).

Fix the code to use the real IO priority task's IO will use. We have to
modify code for ioprio_get(IOPRIO_WHO_PROCESS) to keep returning
IOPRIO_CLASS_NONE priority for tasks without set IO priority as a
special case to maintain userspace visible API.

Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220623074840.5960-5-jack@suse.cz
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-06-27 06:29:12 -06:00
..
partitions
for-5.19/drivers-2022-05-22
2022-05-23 14:04:14 -07:00
badblocks.c
block/badblocks: Remove redundant assignments
2022-04-23 07:15:26 -06:00
bdev.c
Description for this pull request:
2022-05-24 18:30:27 -07:00
bfq-cgroup.c
block: bfq: Fix kernel-doc headers
2022-06-27 06:29:12 -06:00
bfq-iosched.c
block/bfq: Enable I/O statistics
2022-06-16 16:59:28 -06:00
bfq-iosched.h
bfq: Relax waker detection for shared queues
2022-05-19 06:52:33 -06:00
bfq-wf2q.c
block: bfq: Fix kernel-doc headers
2022-06-27 06:29:12 -06:00
bio-integrity.c
for-5.18/block-2022-03-18
2022-03-21 16:48:55 -07:00
bio.c
block: relax direct io memory alignment
2022-06-27 06:29:11 -06:00
blk-cgroup-fc-appid.c
blk-cgroup: move blkcg_{get,set}_fc_appid out of line
2022-05-02 14:06:20 -06:00
blk-cgroup-rwstat.c
blk-cgroup: Fix the recursive blkg rwstat
2021-03-05 11:32:15 -07:00
blk-cgroup-rwstat.h
block: partition include/linux/blk-cgroup.h
2022-02-11 10:02:41 -07:00
blk-cgroup.c
block: fix bio_clone_blkg_association() to associate with proper blkcg_gq
2022-06-02 02:15:05 -06:00
blk-cgroup.h
blk-cgroup: always terminate io.stat lines
2022-05-17 06:11:17 -06:00
blk-core.c
block: Directly use ida_alloc()/free()
2022-06-27 06:29:11 -06:00
blk-crypto-fallback.c
block: remove superfluous calls to blkcg_bio_issue_init
2022-05-04 18:29:52 -06:00
blk-crypto-internal.h
blk-crypto: show crypto capabilities in sysfs
2022-02-28 06:40:23 -07:00
blk-crypto-profile.c
blk-crypto: remove blk_crypto_unregister()
2021-11-29 06:38:51 -07:00
blk-crypto-sysfs.c
blk-crypto: show crypto capabilities in sysfs
2022-02-28 06:40:23 -07:00
blk-crypto.c
blk-crypto: show crypto capabilities in sysfs
2022-02-28 06:40:23 -07:00
blk-flush.c
block: pass a block_device and opf to bio_init
2022-02-02 07:49:59 -07:00
blk-ia-ranges.c
block: remove queue from struct blk_independent_access_range
2022-06-19 18:40:11 -06:00
blk-integrity.c
blk-crypto: remove blk_crypto_unregister()
2021-11-29 06:38:51 -07:00
blk-ioc.c
block: fix default IO priority handling again
2022-06-27 06:29:12 -06:00
blk-iocost.c
blk-iocost: Simplify ioc_rqos_done()
2022-06-27 06:29:11 -06:00
blk-iolatency.c
blk-iolatency: Fix inflight count imbalances and IO hangs on offline
2022-05-26 11:43:00 -06:00
blk-ioprio.c
block: partition include/linux/blk-cgroup.h
2022-02-11 10:02:41 -07:00
blk-ioprio.h
block: Introduce the ioprio rq-qos policy
2021-06-21 15:03:40 -06:00
blk-lib.c
block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD
2022-04-17 19:49:59 -06:00
blk-map.c
block/blk-map: Remove redundant assignment
2022-04-23 07:15:26 -06:00
blk-merge.c
block: fold blk_max_size_offset into get_max_io_size
2022-06-27 06:29:11 -06:00
blk-mq-cpumap.c
blk-mq: remove the calling of local_memory_node()
2020-10-20 07:08:17 -06:00
blk-mq-debugfs-zoned.c
block: Cleanup license notice
2019-01-17 21:21:40 -07:00
blk-mq-debugfs.c
block: remove per-disk debugfs files in blk_unregister_queue
2022-06-17 07:31:05 -06:00
blk-mq-debugfs.h
block: remove per-disk debugfs files in blk_unregister_queue
2022-06-17 07:31:05 -06:00
blk-mq-pci.c
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq-rdma.c
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq-sched.c
block: serialize all debugfs operations using q->debugfs_mutex
2022-06-17 07:31:05 -06:00
blk-mq-sched.h
block: move blk_mq_sched_assign_ioc to blk-ioc.c
2021-11-29 06:41:29 -07:00
blk-mq-sysfs.c
blk-mq: prepare for implementing hctx table via xarray
2022-03-08 17:57:19 -07:00
blk-mq-tag.c
block: remove useless BUG_ON() in blk_mq_put_tag()
2022-06-02 02:05:56 -06:00
blk-mq-tag.h
blk-mq: Delete busy_iter_fn
2021-12-06 13:18:47 -07:00
blk-mq-virtio.c
blk-mq: Fix typo in comment
2020-03-17 20:55:21 +01:00
blk-mq.c
blk-mq: Don't disable preemption around __blk_mq_run_hw_queue().
2022-06-27 06:29:12 -06:00
blk-mq.h
block: Rename a blk_mq_map_queue() argument
2022-06-27 06:29:11 -06:00
blk-pm.c
scsi: block: pm: Always set request queue runtime active in blk_post_runtime_resume()
2021-12-22 23:38:29 -05:00
blk-pm.h
block: Remove unused blk_pm_*() function definitions
2021-02-22 06:33:48 -07:00
blk-rq-qos.c
block: remove per-disk debugfs files in blk_unregister_queue
2022-06-17 07:31:05 -06:00
blk-rq-qos.h
block: serialize all debugfs operations using q->debugfs_mutex
2022-06-17 07:31:05 -06:00
blk-settings.c
block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD
2022-04-17 19:49:59 -06:00
blk-stat.c
block: make queue stat accounting a reference
2021-12-14 17:23:05 -07:00
blk-stat.h
block: make queue stat accounting a reference
2021-12-14 17:23:05 -07:00
blk-sysfs.c
block: Directly use ida_alloc()/free()
2022-06-27 06:29:11 -06:00
blk-throttle.c
blk-throttle: Set BIO_THROTTLED when bio has been throttled
2022-05-17 19:32:10 -06:00
blk-throttle.h
block: cancel all throttled bios in del_gendisk()
2022-03-18 09:57:56 -06:00
blk-timeout.c
block: blk-timeout: delete duplicated word
2020-07-31 16:29:47 -06:00
blk-wbt.c
blk-wbt: prevent NULL pointer dereference in wb_timer_fn
2021-10-19 06:13:41 -06:00
blk-wbt.h
blk-wbt: remove wbt_track stub
2022-03-31 12:58:38 -06:00
blk-zoned.c
SCSI misc on 20220324
2022-03-24 19:37:53 -07:00
blk.h
block: move blk_queue_get_max_sectors to blk.h
2022-06-27 06:29:11 -06:00
bounce.c
block/bounce: count bytes instead of sectors
2022-06-27 06:29:11 -06:00
bsg-lib.c
block: remove the gendisk argument to blk_execute_rq
2021-11-29 06:41:29 -07:00
bsg.c
scsi: bsg: Fix device unregistration
2021-09-14 00:22:15 -04:00
disk-events.c
block: remove genhd.h
2022-02-02 07:49:59 -07:00
elevator.c
for-5.18/block-2022-03-18
2022-03-21 16:48:55 -07:00
elevator.h
block: move elevator.h to block/
2021-10-18 06:17:01 -06:00
fops.c
block: relax direct io memory alignment
2022-06-27 06:29:11 -06:00
genhd.c
block: freeze the queue earlier in del_gendisk
2022-06-17 07:31:05 -06:00
holder.c
block: remove WARN_ON() from bd_link_disk_holder
2022-06-23 07:48:05 -06:00
ioctl.c
block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD
2022-04-17 19:49:59 -06:00
ioprio.c
block: Fix handling of tasks without ioprio in ioprio_get(2)
2022-06-27 06:29:12 -06:00
Kconfig
block: add pi for extended integrity
2022-03-07 12:48:35 -07:00
Kconfig.iosched
block: only build the icq tracking code when needed
2021-12-16 10:59:02 -07:00
kyber-iosched.c
blk-mq: avoid to touch q->elevator without any protection
2022-06-16 14:45:15 -06:00
Makefile
blk-cgroup: move blkcg_{get,set}_fc_appid out of line
2022-05-02 14:06:20 -06:00
mq-deadline.c
blk-mq: avoid to touch q->elevator without any protection
2022-06-16 14:45:15 -06:00
opal_proto.h
block: sed-opal: Change the check condition for regular session validity
2020-03-12 08:00:10 -06:00
sed-opal.c
block: remove genhd.h
2022-02-02 07:49:59 -07:00
t10-pi.c
block: add pi for extended integrity
2022-03-07 12:48:35 -07:00