linux/block
Tejun Heo 4308a434e5 blkcg: don't offline parent blkcg first
blkcg->cgwb_refcnt is used to delay blkcg offlining so that blkgs
don't get offlined while there are active cgwbs on them.  However, it
ends up making offlining unordered sometimes causing parents to be
offlined before children.

Let's fix this by making child blkcgs pin the parents' online states.

Note that pin/unpin names are chosen over get/put intentionally
because css uses get/put online for something different.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-01 14:56:44 -06:00
..
partitions Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:13:08 -07:00
badblocks.c
bfq-cgroup.c block, bfq: invoke flush_idle_tree after reparent_active_queues in pd_offline 2020-03-21 14:31:03 -06:00
bfq-iosched.c block, bfq: turn put_queue into release_process_ref in __bfq_bic_change_cgroup 2020-03-21 14:31:00 -06:00
bfq-iosched.h block, bfq: turn put_queue into release_process_ref in __bfq_bic_change_cgroup 2020-03-21 14:31:00 -06:00
bfq-wf2q.c
bio-integrity.c
bio.c block: move bio_map_* to blk-map.c 2020-03-27 12:04:34 -06:00
blk-cgroup-rwstat.c
blk-cgroup-rwstat.h
blk-cgroup.c blkcg: don't offline parent blkcg first 2020-04-01 14:56:44 -06:00
blk-core.c block: return NULL in blk_alloc_queue() on error 2020-03-29 10:08:26 -06:00
blk-exec.c
blk-flush.c Revert "blkdev: check for valid request queue before issuing flush" 2020-03-27 10:23:44 -06:00
blk-integrity.c
blk-ioc.c block: Fix use-after-free issue accessing struct io_cq 2020-03-12 07:07:38 -06:00
blk-iocost.c for-5.7/block-2020-03-29 2020-03-30 11:20:13 -07:00
blk-iolatency.c
blk-lib.c
blk-map.c block: move bio_map_* to blk-map.c 2020-03-27 12:04:34 -06:00
blk-merge.c
blk-mq-cpumap.c
blk-mq-debugfs-zoned.c
blk-mq-debugfs.c
blk-mq-debugfs.h
blk-mq-pci.c
blk-mq-rdma.c
blk-mq-sched.c blk-mq: insert flush request to the front of dispatch queue 2020-03-12 07:26:12 -06:00
blk-mq-sched.h
blk-mq-sysfs.c
blk-mq-tag.c
blk-mq-tag.h
blk-mq-virtio.c
blk-mq.c block: simplify queue allocation 2020-03-27 10:23:43 -06:00
blk-mq.h
blk-pm.c
blk-pm.h
blk-rq-qos.c
blk-rq-qos.h
blk-settings.c for-5.7/drivers-2020-03-29 2020-03-30 11:43:51 -07:00
blk-softirq.c
blk-stat.c
blk-stat.h
blk-sysfs.c
blk-throttle.c
blk-timeout.c
blk-wbt.c
blk-wbt.h
blk-zoned.c for-5.7/drivers-2020-03-29 2020-03-30 11:43:51 -07:00
blk.h block: move bio_map_* to blk-map.c 2020-03-27 12:04:34 -06:00
bounce.c
bsg-lib.c
bsg.c
cmdline-parser.c
elevator.c
genhd.c for-5.7/block-2020-03-29 2020-03-30 11:20:13 -07:00
ioctl.c block: move block layer internals out of include/linux/genhd.h 2020-03-25 09:50:08 -06:00
ioprio.c
Kconfig
Kconfig.iosched
kyber-iosched.c
Makefile block: merge partition-generic.c and check.c 2020-03-24 07:57:08 -06:00
mq-deadline.c
opal_proto.h block: sed-opal: Change the check condition for regular session validity 2020-03-12 08:00:10 -06:00
scsi_ioctl.c
sed-opal.c block: sed-opal: Change the check condition for regular session validity 2020-03-12 08:00:10 -06:00
t10-pi.c