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554d21efb0d2e102a14f8c4b6bdfbcfbe54b3c65
linux/block
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Wen Yang 554d21efb0 block, bfq: improve arithmetic division in bfq_delta() 
do_div() does a 64-by-32 division. Use div64_ul() instead of it
if the divisor is unsigned long, to avoid truncation to 32-bit.
And as a nice side effect also cleans up the function a bit.

Signed-off-by: Wen Yang <wenyang@linux.alibaba.com>
Cc: Paolo Valente <paolo.valente@linaro.org>
Cc: Jens Axboe <axboe@fb.com>
Cc: linux-block@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-01-22 10:34:11 -07:00
..
partitions
docs: admin-guide: add a series of orphaned documents
2019-07-15 11:03:02 -03:00
badblocks.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
bfq-cgroup.c
bfq-iosched: Ensure bio->bi_blkg is valid before using it
2019-12-05 07:10:09 -07:00
bfq-iosched.c
block/bfq: remove unused bfq_class_rt which never used
2020-01-22 10:31:20 -07:00
bfq-iosched.h
block,bfq: Skip tracing hooks if possible
2019-11-20 16:10:29 -07:00
bfq-wf2q.c
block, bfq: improve arithmetic division in bfq_delta()
2020-01-22 10:34:11 -07:00
bio-integrity.c
block: fix memleak of bio integrity data
2019-12-05 11:38:36 -07:00
bio.c
block: fix "check bi_size overflow before merge"
2019-12-09 22:04:35 -07:00
blk-cgroup-rwstat.c
blk-cgroup: separate out blkg_rwstat under CONFIG_BLK_CGROUP_RWSTAT
2019-11-07 12:28:13 -07:00
blk-cgroup-rwstat.h
blk-cgroup: separate out blkg_rwstat under CONFIG_BLK_CGROUP_RWSTAT
2019-11-07 12:28:13 -07:00
blk-cgroup.c
blk-cgroup: remove blkcg_drain_queue
2019-12-12 09:26:55 -07:00
blk-core.c
Merge tag 'for-linus-20191212' of git://git.kernel.dk/linux-block
2019-12-13 14:27:19 -08:00
blk-exec.c
block: account statistics for passthrough requests
2019-10-10 17:52:31 -06:00
blk-flush.c
block: add iostat counters for flush requests
2019-11-21 09:06:47 -07:00
blk-integrity.c
block: centralize PI remapping logic to the block layer
2019-09-17 20:03:49 -06:00
blk-ioc.c
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-iocost.c
iocost: check active_list of all the ancestors in iocg_activate()
2019-11-14 13:56:54 -07:00
blk-iolatency.c
blkcg: s/RQ_QOS_CGROUP/RQ_QOS_LATENCY/
2019-08-28 21:17:08 -06:00
blk-lib.c
block: fix 32 bit overflow in __blkdev_issue_discard()
2018-11-14 08:17:18 -07:00
blk-map.c
block: remove the bi_phys_segments field in struct bio
2019-06-20 10:29:22 -06:00
blk-merge.c
Revert "block: split bio if the only bvec's length is > SZ_4K"
2019-11-21 10:16:12 -07:00
blk-mq-cpumap.c
blk-mq: balance mapping between present CPUs and queues
2019-08-04 21:43:12 -06:00
blk-mq-debugfs-zoned.c
block: Cleanup license notice
2019-01-17 21:21:40 -07:00
blk-mq-debugfs.c
Merge tag 'for-5.3/block-20190708' of git://git.kernel.dk/linux-block
2019-07-09 10:45:06 -07:00
blk-mq-debugfs.h
blk-mq: no need to check return value of debugfs_create functions
2019-06-13 03:00:30 -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
blk-mq: move lockdep_assert_held() into elevator_exit
2019-09-26 00:45:05 -06:00
blk-mq-sched.h
block: blk-mq: Remove blk_mq_sched_started_request and started_request
2019-07-23 07:25:09 -06:00
blk-mq-sysfs.c
blk-mq: make sure that line break can be printed
2019-11-04 07:14:10 -07:00
blk-mq-tag.c
blk-mq: Delete blk_mq_has_free_tags() and blk_mq_can_queue()
2019-11-13 12:50:38 -07:00
blk-mq-tag.h
blk-mq: Delete blk_mq_has_free_tags() and blk_mq_can_queue()
2019-11-13 12:50:38 -07:00
blk-mq-virtio.c
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq.c
blk-mq: Document functions for sending request
2020-01-06 21:00:27 -07:00
blk-mq.h
blk-mq: Inline status checkers
2019-10-07 08:31:59 -06:00
blk-pm.c
block: bypass blk_set_runtime_active for uninitialized q->dev
2019-09-12 07:11:56 -06:00
blk-pm.h
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-rq-qos.c
blk-wbt: fix performance regression in wbt scale_up/scale_down
2019-10-06 09:26:41 -06:00
blk-rq-qos.h
blk-rq-qos: fix first node deletion of rq_qos_del()
2019-10-15 10:13:13 -06:00
blk-settings.c
Merge tag 'dma-mapping-5.4' of git://git.infradead.org/users/hch/dma-mapping
2019-09-19 13:27:23 -07:00
blk-softirq.c
block: Don't disable interrupts in trigger_softirq()
2019-11-18 07:29:22 -07:00
blk-stat.c
blk-stat: Optimise blk_stat_add()
2019-10-07 21:19:10 -06:00
blk-stat.h
block: deactivate blk_stat timer in wbt_disable_default()
2018-12-12 06:47:51 -07:00
blk-sysfs.c
block: Remove "dying" checks from sysfs callbacks
2019-10-07 08:31:59 -06:00
blk-throttle.c
blk-cgroup: separate out blkg_rwstat under CONFIG_BLK_CGROUP_RWSTAT
2019-11-07 12:28:13 -07:00
blk-timeout.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
blk-wbt.c
blk-wbt: fix performance regression in wbt scale_up/scale_down
2019-10-06 09:26:41 -06:00
blk-wbt.h
block/rq_qos: implement rq_qos_ops->queue_depth_changed()
2019-08-28 21:17:07 -06:00
blk-zoned.c
block: mark zone-mgmt bios with REQ_SYNC
2020-01-09 07:59:12 -07:00
blk.h
block: fix memleak of bio integrity data
2019-12-05 11:38:36 -07:00
bounce.c
block: remove the i argument to bio_for_each_segment_all
2019-04-30 09:26:13 -06:00
bsg-lib.c
block: drop device references in bsg_queue_rq()
2019-09-23 11:17:24 -06:00
bsg.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
cmdline-parser.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compat_ioctl.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
elevator.c
Merge branch 'for-linus' into for-5.5/block
2019-11-07 12:27:19 -07:00
genhd.c
block: add iostat counters for flush requests
2019-11-21 09:06:47 -07:00
ioctl.c
block: simplify blkdev_nr_zones
2019-12-03 08:51:24 -07:00
ioprio.c
docs: block: convert to ReST
2019-07-15 09:20:27 -03:00
Kconfig
block: Allow t10-pi to be modular
2020-01-06 20:59:04 -07:00
Kconfig.iosched
blk-cgroup: separate out blkg_rwstat under CONFIG_BLK_CGROUP_RWSTAT
2019-11-07 12:28:13 -07:00
kyber-iosched.c
blk-mq: remove blk_mq_put_ctx()
2019-07-02 21:03:27 -06:00
Makefile
block: Allow t10-pi to be modular
2020-01-06 20:59:04 -07:00
mq-deadline.c
block: Introduce elevator features
2019-09-05 19:52:33 -06:00
opal_proto.h
block: sed-opal: Introduce SUM_SET_LIST parameter and append it using 'add_token_u64'
2019-11-18 09:49:15 -07:00
partition-generic.c
Merge tag 'for-5.5/disk-revalidate-20191122' of git://git.kernel.dk/linux-block
2019-11-25 11:37:01 -08:00
scsi_ioctl.c
compat_ioctl: reimplement SG_IO handling
2019-10-23 17:23:46 +02:00
sed-opal.c
block: sed-opal: Introduce SUM_SET_LIST parameter and append it using 'add_token_u64'
2019-11-18 09:49:15 -07:00
t10-pi.c
block: Allow t10-pi to be modular
2020-01-06 20:59:04 -07:00