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Dennis Zhou 2268c0feb0 blkcg: introduce common blkg association logic 
There are 3 ways blkg association can happen: association with the
current css, with the page css (swap), or from the wbc css (writeback).

This patch handles how association is done for the first case where we
are associating bsaed on the current css. If there is already a blkg
associated, the css will be reused and association will be redone as the
request_queue may have changed.

Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 		2018-12-07 22:26:36 -07:00
..
partitions partitions/aix: append null character to print data from disk 2018-07-27 09:17:41 -06:00
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
Makefile block: remove legacy IO schedulers 2018-11-07 13:42:32 -07:00
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: introduce common blkg association logic 2018-12-07 22:26:36 -07:00
blk-cgroup.c blkcg: convert blkg_lookup_create() to find closest blkg 2018-12-07 22:26:36 -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: introduce common blkg association logic 2018-12-07 22:26:36 -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: introduce common blkg association logic 2018-12-07 22:26:36 -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 block: copy ioprio in __bio_clone_fast() and bounce 2018-11-12 10:35:25 -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
kyber-iosched.c blk-mq: allow software queue to map to multiple hardware queues 2018-11-07 13:44:59 -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