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Dennis Zhou 7fcf2b033b blkcg: change blkg reference counting to use percpu_ref 
Every bio is now associated with a blkg putting blkg_get, blkg_try_get,
and blkg_put on the hot path. Switch over the refcnt in blkg to use
percpu_ref.

Signed-off-by: Dennis Zhou <dennis@kernel.org>
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-12-07 22:26:38 -07:00
..
partitions
partitions/aix: append null character to print data from disk
2018-07-27 09:17:41 -06:00
badblocks.c
badblocks: fix wrong return value in badblocks_set if badblocks are disabled
2017-11-03 11:29:50 -07:00
bfq-cgroup.c
blkcg: fix ref count issue with bio_blkcg() using task_css
2018-12-07 22:26:36 -07:00
bfq-iosched.c
blkcg: fix ref count issue with bio_blkcg() using task_css
2018-12-07 22:26:36 -07:00
bfq-iosched.h
block, bfq: improve asymmetric scenarios detection
2018-10-13 15:40:00 -06:00
bfq-wf2q.c
block, bfq: fix asymmetric scenarios detection
2018-10-25 11:17:40 -06:00
bio-integrity.c
block: remove bio_rewind_iter()
2018-09-06 15:12:24 -06:00
bio.c
blkcg: remove bio_disassociate_task()
2018-12-07 22:26:38 -07:00
blk-cgroup.c
blkcg: change blkg reference counting to use percpu_ref
2018-12-07 22:26:38 -07:00
blk-core.c
block: remove ->poll_fn
2018-12-04 11:38:19 -07:00
blk-exec.c
block: remove dead elevator code
2018-11-07 13:42:32 -07:00
blk-flush.c
block: add queue_is_mq() helper
2018-11-16 08:34:06 -07:00
blk-integrity.c
block: merge BIOVEC_SEG_BOUNDARY into biovec_phys_mergeable
2018-09-24 12:33:57 -06:00
blk-ioc.c
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-iolatency.c
blkcg: consolidate bio_issue_init() to be a part of core
2018-12-07 22:26:37 -07:00
blk-lib.c
block: fix 32 bit overflow in __blkdev_issue_discard()
2018-11-14 08:17:18 -07:00
blk-map.c
Merge branch 'for-4.16/block' of git://git.kernel.dk/linux-block
2018-01-29 11:51:49 -08:00
blk-merge.c
Linux 4.20-rc5
2018-12-04 09:38:05 -07:00
blk-mq-cpumap.c
blk-mq: initial support for multiple queue maps
2018-11-07 13:45:00 -07:00
blk-mq-debugfs-zoned.c
block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n
2018-07-09 09:07:52 -06:00
blk-mq-debugfs.c
block: remove QUEUE_FLAG_BYPASS and ->bypass
2018-11-15 12:13:15 -07:00
blk-mq-debugfs.h
block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n
2018-07-09 09:07:52 -06:00
blk-mq-pci.c
blk-mq: initial support for multiple queue maps
2018-11-07 13:45:00 -07:00
blk-mq-rdma.c
blk-mq: abstract out queue map
2018-11-07 13:44:59 -07:00
blk-mq-sched.c
block: fix attempt to assign NULL io_context
2018-11-20 19:12:46 -07:00
blk-mq-sched.h
block: Remove bio->bi_ioc
2018-11-19 19:03:44 -07:00
blk-mq-sysfs.c
block: move queues types to the block layer
2018-12-04 11:38:17 -07:00
blk-mq-tag.c
sbitmap: optimize wakeup check
2018-11-30 14:48:04 -07:00
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
blk-mq: initial support for multiple queue maps
2018-11-07 13:45:00 -07:00
blk-mq.c
block: enable polling by default if a poll map is initalized
2018-12-04 11:38:19 -07:00
blk-mq.h
block: move queues types to the block layer
2018-12-04 11:38:17 -07:00
blk-pm.c
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-pm.h
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-rq-qos.c
blk-rq-qos: inline check for q->rq_qos functions
2018-11-16 08:34:19 -07:00
blk-rq-qos.h
blk-rq-qos: inline check for q->rq_qos functions
2018-11-16 08:34:19 -07:00
blk-settings.c
block: use atomic bitops for ->queue_flags
2018-11-15 12:13:19 -07:00
blk-softirq.c
block: remove a few unused exports
2018-11-15 12:13:25 -07:00
blk-stat.c
block: remove a few unused exports
2018-11-15 12:13:25 -07:00
blk-stat.h
blk-stat: export helpers for modifying blk_rq_stat
2018-07-09 09:07:54 -06:00
blk-sysfs.c
block: only allow polling if a poll queue_map exists
2018-12-04 11:38:19 -07:00
blk-throttle.c
blkcg: consolidate bio_issue_init() to be a part of core
2018-12-07 22:26:37 -07:00
blk-timeout.c
block: don't hold the queue_lock over blk_abort_request
2018-11-15 12:13:18 -07:00
blk-wbt.c
block: add queue_is_mq() helper
2018-11-16 08:34:06 -07:00
blk-wbt.h
block: remove external dependency on wbt_flags
2018-07-09 09:07:54 -06:00
blk-zoned.c
block: add queue_is_mq() helper
2018-11-16 08:34:06 -07:00
blk.h
block: sum requests in the plug structure
2018-11-26 10:35:22 -07:00
bounce.c
blkcg: remove bio->bi_css and instead use bio->bi_blkg
2018-12-07 22:26:37 -07:00
bsg-lib.c
bsg: move bsg-lib parts outside of request queue
2018-11-07 13:42:33 -07:00
bsg.c
block: add queue_is_mq() helper
2018-11-16 08:34:06 -07:00
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: add queue_is_mq() helper
2018-11-16 08:34:06 -07:00
genhd.c
block: add queue_is_mq() helper
2018-11-16 08:34:06 -07:00
ioctl.c
block: Introduce BLKGETNRZONES ioctl
2018-10-25 11:17:40 -06:00
ioprio.c
block: add ioprio_check_cap function
2018-05-31 10:50:54 -04:00
Kconfig
blk-wbt: kill check for legacy queue type
2018-11-07 13:42:32 -07:00
Kconfig.iosched
block: remove legacy IO schedulers
2018-11-07 13:42:32 -07:00
kyber-iosched.c
blk-mq: allow software queue to map to multiple hardware queues
2018-11-07 13:44:59 -07:00
Makefile
block: remove legacy IO schedulers
2018-11-07 13:42:32 -07:00
mq-deadline.c
block: get rid of MQ scheduler ops union
2018-11-07 13:42:32 -07:00
opal_proto.h
block: sed-opal: Set MBRDone on S3 resume path if TPER is MBREnabled
2017-09-11 09:45:52 -06:00
partition-generic.c
block: use rcu_work instead of call_rcu to avoid sleep in softirq
2018-11-28 09:08:27 -07:00
scsi_ioctl.c
block: consistently use GFP_NOIO instead of __GFP_NORECLAIM
2018-05-14 08:55:18 -06:00
sed-opal.c
block: sed-opal: Fix a couple off by one bugs
2018-06-20 12:04:06 -06:00
t10-pi.c
block: move dif_prepare/dif_complete functions to block layer
2018-07-30 08:27:02 -06:00