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Yu Kuai 8d6bbaada2 blk-throttle: prevent overflow while calculating wait time 
There is a problem found by code review in tg_with_in_bps_limit() that
'bps_limit * jiffy_elapsed_rnd' might overflow. Fix the problem by
calling mul_u64_u64_div_u64() instead.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220829022240.3348319-3-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-12 00:19:48 -06:00
..
partitions
Folio changes for 6.0
2022-08-03 10:35:43 -07:00
badblocks.c
block/badblocks: Remove redundant assignments
2022-04-23 07:15:26 -06:00
bdev.c
block: stop using bdevname in bdev_write_inode
2022-07-14 10:27:56 -06:00
bfq-cgroup.c
block, bfq: remove unused functions
2022-08-22 10:07:56 -06:00
bfq-iosched.c
block, bfq: remove useless parameter for bfq_add/del_bfqq_busy()
2022-08-22 10:07:56 -06:00
bfq-iosched.h
block, bfq: remove useless parameter for bfq_add/del_bfqq_busy()
2022-08-22 10:07:56 -06:00
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: pass struct queue_limits to the bio splitting helpers
2022-08-02 21:08:53 -06:00
bio.c
blk-throttle: fix that io throttle can only work for single bio
2022-09-12 00:19:48 -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: Use the new blk_opf_t type
2022-07-14 12:14:30 -06:00
blk-cgroup.c
blk-cgroup: Use atomic{,64}_try_cmpxchg
2022-07-12 15:46:03 -06:00
blk-cgroup.h
blk-cgroup: Use atomic{,64}_try_cmpxchg
2022-07-12 15:46:03 -06:00
blk-core.c
block: remove unneeded return value of bio_check_ro()
2022-09-05 11:45:35 -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: Use the new blk_opf_t type
2022-07-14 12:14:30 -06:00
blk-ia-ranges.c
block: simplify disk_set_independent_access_ranges
2022-06-29 08:36:46 -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
block: don't allow the same type rq_qos add more than once
2022-07-20 06:44:14 -06:00
blk-iolatency.c
block: don't allow the same type rq_qos add more than once
2022-07-20 06:44:14 -06:00
blk-ioprio.c
blk-ioprio: Convert from rqos policy to direct call
2022-06-27 06:29:12 -06:00
blk-ioprio.h
blk-ioprio: Convert from rqos policy to direct call
2022-06-27 06:29:12 -06:00
blk-lib.c
block: stop using bdevname in __blkdev_issue_discard
2022-07-14 10:27:56 -06:00
blk-map.c
block/blk-map: Remove set but unused variable 'added'
2022-09-05 11:44:37 -06:00
blk-merge.c
block: pass struct queue_limits to the bio splitting helpers
2022-08-02 21:08:53 -06:00
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
block: move zone related fields to struct gendisk
2022-07-06 06:46:26 -06:00
blk-mq-debugfs.c
block: Use the new blk_opf_t type
2022-07-14 12:14:30 -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: 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
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: cleanup disk sysfs registration
2022-06-28 11:32:42 -06:00
blk-mq-tag.c
sbitmap: fix batched wait_cnt accounting
2022-09-12 00:10:34 -06:00
blk-mq-tag.h
blk-mq: blk_mq_tag_busy is no need to return a value
2022-06-27 06:29:12 -06:00
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: remove unneeded needs_restart check
2022-09-05 11:45:24 -06:00
blk-mq.h
block: Use the new blk_opf_t type
2022-07-14 12:14:30 -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/rq_qos: Use atomic_try_cmpxchg in atomic_inc_below
2022-07-12 14:38:52 -06:00
blk-rq-qos.h
block: don't allow the same type rq_qos add more than once
2022-07-20 06:44:14 -06:00
blk-settings.c
block: pass a gendisk to blk_queue_clear_zone_settings
2022-07-06 06:46:26 -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: move ->bio_split to the gendisk
2022-08-02 21:08:49 -06:00
blk-throttle.c
blk-throttle: prevent overflow while calculating wait time
2022-09-12 00:19:48 -06:00
blk-throttle.h
blk-throttle: fix that io throttle can only work for single bio
2022-09-12 00:19:48 -06:00
blk-timeout.c
block: blk-timeout: delete duplicated word
2020-07-31 16:29:47 -06:00
blk-wbt.c
block: don't allow the same type rq_qos add more than once
2022-07-20 06:44:14 -06:00
blk-wbt.h
blk-wbt: remove wbt_track stub
2022-03-31 12:58:38 -06:00
blk-zoned.c
treewide: Rename enum req_opf into enum req_op
2022-07-14 12:14:30 -06:00
blk.h
block: pass struct queue_limits to the bio splitting helpers
2022-08-02 21:08:53 -06:00
bounce.c
block: change the blk_queue_bounce calling convention
2022-08-02 17:22:54 -06:00
bsg-lib.c
blk-mq: Drop blk_mq_ops.timeout 'reserved' arg
2022-07-06 06:33:53 -06:00
bsg.c
scsi: core: bsg: Remove usage of the deprecated ida_simple_xxx() API
2022-06-21 21:22:51 -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: Use the new blk_opf_t type
2022-07-14 12:14:30 -06:00
fops.c
new iov_iter flavour - ITER_UBUF
2022-08-08 22:37:15 -04:00
genhd.c
block: Do not call blk_put_queue() if gendisk allocation fails
2022-08-12 06:42:06 -06:00
holder.c
block: remove WARN_ON() from bd_link_disk_holder
2022-06-23 07:48:05 -06:00
ioctl.c
block: replace blkdev_nr_zones with bdev_nr_zones
2022-07-06 06:46:26 -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: remove "select BLK_RQ_IO_DATA_LEN" from BLK_CGROUP_IOCOST dependency
2022-06-29 08:35:57 -06:00
Kconfig.iosched
block: only build the icq tracking code when needed
2021-12-16 10:59:02 -07:00
kyber-iosched.c
block/kyber: Use the new blk_opf_t type
2022-07-14 12:14:30 -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
block/mq-deadline: Use the new blk_opf_t type
2022-07-14 12:14:30 -06:00
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: Add ioctl to return device status
2022-08-22 07:52:51 -06:00
t10-pi.c
block: add pi for extended integrity
2022-03-07 12:48:35 -07:00