Kemeng Shi 414207ff47 blk-throttle: Fix that bps of child could exceed bps limited in parent ... commit 84aca0a7e0 upstream. Consider situation as following (on the default hierarchy): HDD | root (bps limit: 4k) | child (bps limit :8k) | fio bs=8k Rate of fio is supposed to be 4k, but result is 8k. Reason is as following: Size of single IO from fio is larger than bytes allowed in one throtl_slice in child, so IOs are always queued in child group first. When queued IOs in child are dispatched to parent group, BIO_BPS_THROTTLED is set and these IOs will not be limited by tg_within_bps_limit anymore. Fix this by only set BIO_BPS_THROTTLED when the bio traversed the entire tree. There patch has no influence on situation which is not on the default hierarchy as each group is a single root group without parent. Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Kemeng Shi <shikemeng@huawei.com> Link: https://lore.kernel.org/r/20221205115709.251489-3-shikemeng@huaweicloud.com Signed-off-by: Jens Axboe <axboe@kernel.dk> Cc: Khazhy Kumykov <khazhy@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2023-04-13 16:55:37 +02:00
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partitions	block: don't add partitions if GD_SUPPRESS_PART_SCAN is set	2022-09-03 11:29:03 -06:00
Kconfig	…
Kconfig.iosched	…
Makefile	…
badblocks.c	…
bdev.c	vfs: support STATX_DIOALIGN on block devices	2022-09-11 19:47:12 -05:00
bfq-cgroup.c	block, bfq: fix uaf for bfqq in bic_set_bfqq()	2023-02-09 11:28:06 +01:00
bfq-iosched.c	block, bfq: fix uaf for bfqq in bic_set_bfqq()	2023-02-09 11:28:06 +01:00
bfq-iosched.h	block, bfq: remove unused variable for bfq_queue	2022-10-20 05:46:49 -07:00
bfq-wf2q.c	block, bfq: remove useless parameter for bfq_add/del_bfqq_busy()	2022-08-22 10:07:56 -06:00
bio-integrity.c	block: bio-integrity: Copy flags when bio_integrity_payload is cloned	2023-03-10 09:32:46 +01:00
bio.c	block: clear bio->bi_bdev when putting a bio back in the cache	2023-03-10 09:34:02 +01:00
blk-cgroup-fc-appid.c	cgroup: Homogenize cgroup_get_from_id() return value	2022-08-26 10:57:41 -10:00
blk-cgroup-rwstat.c	…
blk-cgroup-rwstat.h	…
blk-cgroup.c	Revert "blk-cgroup: dropping parent refcount after pd_free_fn() is done"	2023-03-11 11:03:45 +01:00
blk-cgroup.h	blk-cgroup: pass a gendisk to blkcg_init_queue and blkcg_exit_queue	2022-09-26 19:09:31 -06:00
blk-core.c	block: be a bit more careful in checking for NULL bdev while polling	2023-03-10 09:34:02 +01:00
blk-crypto-fallback.c	treewide: use get_random_bytes() when possible	2022-10-11 17:42:58 -06:00
blk-crypto-internal.h	…
blk-crypto-profile.c	…
blk-crypto-sysfs.c	…
blk-crypto.c	…
blk-flush.c	block: change request end_io handler to pass back a return value	2022-09-30 07:49:09 -06:00
blk-ia-ranges.c	…
blk-integrity.c	…
blk-ioc.c	…
blk-iocost.c	blk-iocost: fix divide by 0 error in calc_lcoefs()	2023-03-10 09:33:46 +01:00
blk-iolatency.c	blk-cgroup: pass a gendisk to blkcg_schedule_throttle	2022-09-26 19:17:28 -06:00
blk-ioprio.c	blk-ioprio: pass a gendisk to blk_ioprio_init and blk_ioprio_exit	2022-09-26 19:09:31 -06:00
blk-ioprio.h	blk-ioprio: pass a gendisk to blk_ioprio_init and blk_ioprio_exit	2022-09-26 19:09:31 -06:00
blk-lib.c	blk-lib: fix blkdev_issue_secure_erase	2022-09-15 00:25:17 -06:00
blk-map.c	block: extend functionality to map bvec iterator	2022-09-30 07:51:13 -06:00
blk-merge.c	block: use proper return value from bio_failfast()	2023-03-10 09:32:47 +01:00
blk-mq-cpumap.c	block: Change the return type of blk_mq_map_queues() into void	2022-08-22 10:07:53 -06:00
blk-mq-debugfs-zoned.c	…
blk-mq-debugfs.c	for-6.1/block-2022-10-03	2022-10-07 09:19:14 -07:00
blk-mq-debugfs.h	…
blk-mq-pci.c	block: Change the return type of blk_mq_map_queues() into void	2022-08-22 10:07:53 -06:00
blk-mq-rdma.c	block: Change the return type of blk_mq_map_queues() into void	2022-08-22 10:07:53 -06:00
blk-mq-sched.c	blk-mq: correct stale comment of .get_budget	2023-03-10 09:32:44 +01:00
blk-mq-sched.h	…
blk-mq-sysfs.c	blk-mq: fix possible memleak when register 'hctx' failed	2022-12-31 13:33:03 +01:00
blk-mq-tag.c	sbitmap: fix batched wait_cnt accounting	2022-09-12 00:10:34 -06:00
blk-mq-tag.h	…
blk-mq-virtio.c	block: Change the return type of blk_mq_map_queues() into void	2022-08-22 10:07:53 -06:00
blk-mq.c	blk-mq: directly poll requests	2023-04-13 16:55:31 +02:00
blk-mq.h	block: adapt blk_mq_plug() to not plug for writes that require a zone lock	2022-09-29 07:45:47 -06:00
blk-pm.c	…
blk-pm.h	…
blk-rq-qos.c	…
blk-rq-qos.h	block/blk-rq-qos: delete useless enmu RQ_QOS_IOPRIO	2022-09-21 19:50:53 -06:00
blk-settings.c	block: make blk_set_default_limits() private	2022-11-16 15:58:11 -07:00
blk-stat.c	…
blk-stat.h	…
blk-sysfs.c	blk-throttle: pass a gendisk to blk_throtl_register_queue	2022-09-26 19:17:27 -06:00
blk-throttle.c	blk-throttle: Fix that bps of child could exceed bps limited in parent	2023-04-13 16:55:37 +02:00
blk-throttle.h	blk-throttle: pass a gendisk to blk_throtl_cancel_bios	2022-09-26 19:17:28 -06:00
blk-timeout.c	…
blk-wbt.c	blk-wbt: fix that 'rwb->wc' is always set to 1 in wbt_init()	2022-10-09 07:48:16 -06:00
blk-wbt.h	…
blk-zoned.c	block: adapt blk_mq_plug() to not plug for writes that require a zone lock	2022-09-29 07:45:47 -06:00
blk.h	block: Revert "block: Do not reread partition table on exclusively open device"	2023-03-17 08:50:20 +01:00
bounce.c	…
bsg-lib.c	…
bsg.c	…
disk-events.c	…
elevator.c	blk-mq: use quiesced elevator switch when reinitializing queues	2022-09-27 09:58:56 -06:00
elevator.h	…
fops.c	block: don't allow multiple bios for IOCB_NOWAIT issue	2023-03-10 09:34:02 +01:00
genhd.c	block: don't set GD_NEED_PART_SCAN if scan partition failed	2023-04-13 16:55:32 +02:00
holder.c	…
ioctl.c	block: fix scan partition for exclusively open device again	2023-03-17 08:50:21 +01:00
ioprio.c	…
kyber-iosched.c	…
mq-deadline.c	block: mq-deadline: Rename deadline_is_seq_writes()	2023-01-24 07:24:44 +01:00
opal_proto.h	block: sed-opal: Add ioctl to return device status	2022-08-22 07:52:51 -06:00
sed-opal.c	block: sed-opal: kmalloc the cmd/resp buffers	2022-11-08 07:14:35 -07:00
t10-pi.c	…