Chris Mason d118247e40 blk-cgroup: properly pin the parent in blkcg_css_online ...

commit d7dbd43f4a upstream.

blkcg_css_online is supposed to pin the blkcg of the parent, but
397c9f46ee refactored things and along the way, changed it to pin the
css instead.  This results in extra pins, and we end up leaking blkcgs
and cgroups.

Fixes: 397c9f46ee ("blk-cgroup: move blkcg_{pin,unpin}_online out of line")
Signed-off-by: Chris Mason <clm@fb.com>
Spotted-by: Rik van Riel <riel@surriel.com>
Cc: <stable@vger.kernel.org> # v5.19+
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Link: https://lore.kernel.org/r/20221114181930.2093706-1-clm@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-11-26 09:27:51 +01:00

..

partitions

block: don't add partitions if GD_SUPPRESS_PART_SCAN is set

2022-09-03 11:29:03 -06:00

badblocks.c

…

bdev.c

block: stop using bdevname in bdev_write_inode

2022-07-14 10:27:56 -06:00

bfq-cgroup.c

block/bfq: Use the new blk_opf_t type

2022-07-14 12:14:30 -06:00

bfq-iosched.c

block/bfq: Use the new blk_opf_t type

2022-07-14 12:14:30 -06:00

bfq-iosched.h

block/bfq: Use the new blk_opf_t type

2022-07-14 12:14:30 -06:00

bfq-wf2q.c

block: bfq: Fix kernel-doc headers

2022-06-27 06:29:12 -06:00

bio-integrity.c

block: pass struct queue_limits to the bio splitting helpers

2022-08-02 21:08:53 -06:00

bio.c

bio: safeguard REQ_ALLOC_CACHE bio put

2022-11-10 18:17:26 +01:00

blk-cgroup-fc-appid.c

…

blk-cgroup-rwstat.c

…

blk-cgroup-rwstat.h

block: Use the new blk_opf_t type

2022-07-14 12:14:30 -06:00

blk-cgroup.c

blk-cgroup: properly pin the parent in blkcg_css_online

2022-11-26 09:27:51 +01:00

blk-cgroup.h

blk-cgroup: Use atomic{,64}_try_cmpxchg

2022-07-12 15:46:03 -06:00

blk-core.c

block: make dma_alignment a stacking queue_limit

2022-11-26 09:27:40 +01:00

blk-crypto-fallback.c

…

blk-crypto-internal.h

…

blk-crypto-profile.c

…

blk-crypto-sysfs.c

…

blk-crypto.c

…

blk-flush.c

block: Use the new blk_opf_t type

2022-07-14 12:14:30 -06:00

blk-ia-ranges.c

block: simplify disk_set_independent_access_ranges

2022-06-29 08:36:46 -06:00

blk-integrity.c

…

blk-ioc.c

block: fix default IO priority handling again

2022-06-27 06:29:12 -06:00

blk-iocost.c

block: don't allow the same type rq_qos add more than once

2022-07-20 06:44:14 -06:00

blk-iolatency.c

block: don't allow the same type rq_qos add more than once

2022-07-20 06:44:14 -06:00

blk-ioprio.c

blk-ioprio: Convert from rqos policy to direct call

2022-06-27 06:29:12 -06:00

blk-ioprio.h

blk-ioprio: Convert from rqos policy to direct call

2022-06-27 06:29:12 -06:00

blk-lib.c

blk-lib: fix blkdev_issue_secure_erase

2022-09-15 00:25:17 -06:00

blk-map.c

block: convert to advancing variants of iov_iter_get_pages{,_alloc}()

2022-08-08 22:37:22 -04:00

blk-merge.c

block: pass struct queue_limits to the bio splitting helpers

2022-08-02 21:08:53 -06:00

blk-mq-cpumap.c

…

blk-mq-debugfs-zoned.c

block: move zone related fields to struct gendisk

2022-07-06 06:46:26 -06:00

blk-mq-debugfs.c

block: add missing request flags to debugfs code

2022-09-09 05:57:52 -06:00

blk-mq-debugfs.h

block: remove per-disk debugfs files in blk_unregister_queue

2022-06-17 07:31:05 -06:00

blk-mq-pci.c

…

blk-mq-rdma.c

…

blk-mq-sched.c

block: serialize all debugfs operations using q->debugfs_mutex

2022-06-17 07:31:05 -06:00

blk-mq-sched.h

…

blk-mq-sysfs.c

blk-mq: cleanup disk sysfs registration

2022-06-28 11:32:42 -06:00

blk-mq-tag.c

blk-mq: Drop local variable for reserved tag

2022-07-06 06:33:53 -06:00

blk-mq-tag.h

blk-mq: blk_mq_tag_busy is no need to return a value

2022-06-27 06:29:12 -06:00

blk-mq-virtio.c

…

blk-mq.c

block: blk_add_rq_to_plug(): clear stale 'last' after flush

2022-11-26 09:27:19 +01:00

blk-mq.h

block: Use the new blk_opf_t type

2022-07-14 12:14:30 -06:00

blk-pm.c

…

blk-pm.h

…

blk-rq-qos.c

block/rq_qos: Use atomic_try_cmpxchg in atomic_inc_below

2022-07-12 14:38:52 -06:00

blk-rq-qos.h

block: don't allow the same type rq_qos add more than once

2022-07-20 06:44:14 -06:00

blk-settings.c

block: make dma_alignment a stacking queue_limit

2022-11-26 09:27:40 +01:00

blk-stat.c

…

blk-stat.h

…

blk-sysfs.c

block: move ->bio_split to the gendisk

2022-08-02 21:08:49 -06:00

blk-throttle.c

blk-throttle: prevent overflow while calculating wait time

2022-10-21 12:39:22 +02:00

blk-throttle.h

blk-throttle: fix that io throttle can only work for single bio

2022-10-21 12:37:54 +02:00

blk-timeout.c

…

blk-wbt.c

blk-wbt: fix that 'rwb->wc' is always set to 1 in wbt_init()

2022-10-21 12:39:28 +02:00

blk-wbt.h

…

blk-zoned.c

treewide: Rename enum req_opf into enum req_op

2022-07-14 12:14:30 -06:00

blk.h

blk-mq: use quiesced elevator switch when reinitializing queues

2022-10-21 12:39:25 +02:00

bounce.c

block: change the blk_queue_bounce calling convention

2022-08-02 17:22:54 -06:00

bsg-lib.c

blk-mq: Drop blk_mq_ops.timeout 'reserved' arg

2022-07-06 06:33:53 -06:00

bsg.c

scsi: core: bsg: Remove usage of the deprecated ida_simple_xxx() API

2022-06-21 21:22:51 -04:00

disk-events.c

…

elevator.c

blk-mq: use quiesced elevator switch when reinitializing queues

2022-10-21 12:39:25 +02:00

elevator.h

block: Use the new blk_opf_t type

2022-07-14 12:14:30 -06:00

fops.c

new iov_iter flavour - ITER_UBUF

2022-08-08 22:37:15 -04:00

genhd.c

block: Fix possible memory leak for rq_wb on add_disk failure

2022-11-10 18:17:29 +01:00

holder.c

block: remove WARN_ON() from bd_link_disk_holder

2022-06-23 07:48:05 -06:00

ioctl.c

block: replace blkdev_nr_zones with bdev_nr_zones

2022-07-06 06:46:26 -06:00

ioprio.c

block: Fix handling of tasks without ioprio in ioprio_get(2)

2022-06-27 06:29:12 -06:00

Kconfig

block: remove "select BLK_RQ_IO_DATA_LEN" from BLK_CGROUP_IOCOST dependency

2022-06-29 08:35:57 -06:00

Kconfig.iosched

…

kyber-iosched.c

block/kyber: Use the new blk_opf_t type

2022-07-14 12:14:30 -06:00

Makefile

…

mq-deadline.c

block/mq-deadline: Use the new blk_opf_t type

2022-07-14 12:14:30 -06:00

opal_proto.h

…

sed-opal.c

block: sed-opal: kmalloc the cmd/resp buffers

2022-11-26 09:27:29 +01:00

t10-pi.c

…