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Bart Van Assche ac0d6b926e block: Reduce the amount of memory required per request queue 
Instead of always allocating at least nr_cpu_ids hardware queues per request
queue, reallocate q->queue_hw_ctx if it has to grow. This patch improves
behavior that was introduced by commit 868f2f0b7206 ("blk-mq: dynamic h/w
context count").

Cc: Keith Busch <keith.busch@intel.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-10-25 14:12:18 -06:00
..
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: Add per-device weight
2019-09-06 14:33:52 -06:00
bfq-iosched.c
block, bfq: push up injection only after setting service time
2019-09-17 20:03:49 -06:00
bfq-iosched.h
bfq: Add per-device weight
2019-09-06 14:33:52 -06:00
bfq-wf2q.c
bfq: Fix the missing barrier in __bfq_entity_update_weight_prio
2019-09-06 14:33:48 -06:00
bio-integrity.c
block/bio-integrity: fix a memory leak bug
2019-07-11 20:01:21 -06:00
bio.c
block: move same page handling from __bio_add_pc_page to the callers
2019-08-22 07:14:39 -06:00
blk-cgroup.c
bfq: Fix bfq linkage error
2019-09-14 11:33:43 -06:00
blk-core.c
block: Reduce sysfs_lock locking inside blk_cleanup_queue()
2019-10-07 08:31:59 -06:00
blk-exec.c
block: account statistics for passthrough requests
2019-10-10 17:52:31 -06:00
blk-flush.c
block: fix null pointer dereference in blk_mq_rq_timed_out()
2019-09-27 07:01:25 -06:00
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: bump up default latency targets for hard disks
2019-09-26 01:12:01 -06:00
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
block: Improve physical block alignment of split bios
2019-08-04 21:41:29 -06:00
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
for-5.3/block-20190708
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
block: Remove "dying" checks from sysfs callbacks
2019-10-07 08:31:59 -06:00
blk-mq-tag.c
blk-mq: introduce blk_mq_tagset_wait_completed_request()
2019-08-04 21:41:29 -06:00
blk-mq-tag.h
Merge branch 'for-4.15/block' of git://git.kernel.dk/linux-block
2017-11-14 15:32:19 -08:00
blk-mq-virtio.c
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq.c
block: Reduce the amount of memory required per request queue
2019-10-25 14:12:18 -06:00
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
block/rq_qos: implement rq_qos_ops->queue_depth_changed()
2019-08-28 21:17:07 -06:00
blk-rq-qos.h
blkcg: implement blk-iocost
2019-08-28 21:17:12 -06:00
blk-settings.c
dma-mapping updates for 5.4:
2019-09-19 13:27:23 -07:00
blk-softirq.c
block: remove a few unused exports
2018-11-15 12:13:25 -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
block: make rq sector size accessible for block stats
2019-09-15 16:02:08 -06:00
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
block/rq_qos: implement rq_qos_ops->queue_depth_changed()
2019-08-28 21:17:07 -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
blk-zoned: implement REQ_OP_ZONE_RESET_ALL
2019-08-04 21:41:29 -06:00
blk.h
block: account statistics for passthrough requests
2019-10-10 17:52:31 -06:00
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
block: don't release queue's sysfs lock during switching elevator
2019-09-26 00:45:51 -06:00
genhd.c
block: Delay default elevator initialization
2019-09-05 19:52:34 -06:00
ioctl.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
ioprio.c
docs: block: convert to ReST
2019-07-15 09:20:27 -03:00
Kconfig
blkcg: implement blk-iocost
2019-08-28 21:17:12 -06:00
Kconfig.iosched
docs: block: convert to ReST
2019-07-15 09:20:27 -03:00
kyber-iosched.c
blk-mq: remove blk_mq_put_ctx()
2019-07-02 21:03:27 -06:00
Makefile
blkcg: implement blk-iocost
2019-08-28 21:17:12 -06:00
mq-deadline.c
block: Introduce elevator features
2019-09-05 19:52:33 -06:00
opal_proto.h
block: sed-opal: Removed duplicate OPAL_METHOD_LENGTH definition
2019-08-20 09:34:49 -06:00
partition-generic.c
block: fix use-after-free on gendisk
2019-04-22 09:48:12 -06:00
scsi_ioctl.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
sed-opal.c
block: sed-opal: fix sparse warning: convert __be64 data
2019-10-03 14:21:32 -06:00
t10-pi.c
block: Fix three kernel-doc warnings
2019-10-07 08:31:59 -06:00