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Jiang Biao 901932a3f9 blkcg: init root blkcg_gq under lock 
The initializing of q->root_blkg is currently outside of queue lock
and rcu, so the blkg may be destroied before the initializing, which
may cause dangling/null references. On the other side, the destroys
of blkg are protected by queue lock or rcu. Put the initializing
inside the queue lock and rcu to make it safer.

Signed-off-by: Jiang Biao <jiang.biao2@zte.com.cn>
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
CC: Tejun Heo <tj@kernel.org>
CC: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-04-19 08:51:59 -06:00
..
partitions
partitions/msdos: Unable to mount UFS 44bsd partitions
2018-01-10 09:12:16 -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
block, bfq: put async queues for root bfq groups too
2018-01-09 08:45:25 -07:00
bfq-iosched.c
bfq-iosched: ensure to clear bic/bfqq pointers when preparing request
2018-04-17 17:08:52 -06:00
bfq-iosched.h
block, bfq: lower-bound the estimated peak rate to 1
2018-03-26 10:18:27 -06:00
bfq-wf2q.c
block, bfq: limit sectors served with interactive weight raising
2018-01-18 08:21:37 -07:00
bio-integrity.c
block: Fix __bio_integrity_endio() documentation
2018-01-17 09:59:33 -07:00
bio.c
Fix slab name "biovec-(1<<(21-12))"
2018-03-21 19:25:22 -06:00
blk-cgroup.c
blkcg: init root blkcg_gq under lock
2018-04-19 08:51:59 -06:00
blk-core.c
blk-mq: start request gstate with gen 1
2018-04-16 21:56:41 -06:00
blk-exec.c
blk-mq-sched: remove unused 'can_block' arg from blk_mq_sched_insert_request
2018-01-17 09:49:21 -07:00
blk-flush.c
blk-mq: don't allocate driver tag upfront for flush rq
2017-11-04 12:40:13 -06:00
blk-integrity.c
block: switch bios to blk_status_t
2017-06-09 09:27:32 -06:00
blk-ioc.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
blk-lib.c
block: add bdev_read_only() checks to common helpers
2018-01-18 12:57:19 -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
blk-mq: fix discard merge with scheduler attached
2018-02-01 14:01:02 -07:00
blk-mq-cpumap.c
blk-mq: don't keep offline CPUs mapped to hctx 0
2018-04-10 08:38:46 -06:00
blk-mq-debugfs.c
blk-mq: remove blk_mq_delay_queue()
2018-04-10 08:38:46 -06:00
blk-mq-debugfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
blk-mq-pci.c
blk-mq: Allow PCI vector offset for mapping queues
2018-03-27 21:25:36 -06:00
blk-mq-rdma.c
block: Add rdma affinity based queue mapping helper
2017-08-08 14:58:03 -04:00
blk-mq-sched.c
blk-mq-sched: Enable merging discard bio into request
2018-02-01 14:45:11 -07:00
blk-mq-sched.h
blk-mq-sched: remove unused 'can_block' arg from blk_mq_sched_insert_request
2018-01-17 09:49:21 -07:00
blk-mq-sysfs.c
block: properly protect the 'queue' kobj in blk_unregister_queue
2018-01-15 08:41:38 -07:00
blk-mq-tag.c
blk-mq: improve heavily contended tag case
2017-12-22 11:09:37 -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: provide a default queue mapping for virtio device
2017-02-27 20:54:05 +02:00
blk-mq.c
blk-mq: start request gstate with gen 1
2018-04-16 21:56:41 -06:00
blk-mq.h
blk-mq: Revert "blk-mq: reimplement blk_mq_hw_queue_mapped"
2018-04-11 07:59:15 -06:00
blk-settings.c
block: Introduce blk_queue_flag_{set,clear,test_and_{set,clear}}()
2018-03-08 14:13:48 -07:00
blk-softirq.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
blk-stat.c
block: Protect queue flag changes with the queue lock
2018-03-08 14:13:48 -07:00
blk-stat.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
blk-sysfs.c
block: Introduce blk_queue_flag_{set,clear,test_and_{set,clear}}()
2018-03-08 14:13:48 -07:00
blk-tag.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
blk-throttle.c
Merge branch 'for-4.16/block' of git://git.kernel.dk/linux-block
2018-01-29 11:51:49 -08:00
blk-timeout.c
blk-mq: Directly schedule q->timeout_work when aborting a request
2018-04-02 16:36:13 -06:00
blk-wbt.c
blk-wbt: account flush requests correctly
2018-02-06 14:14:03 -07:00
blk-wbt.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
blk-zoned.c
block: Suppress kernel-doc warnings triggered by blk-zoned.c
2018-03-09 08:23:32 -07:00
blk.h
block: Move the queue_flag_*() functions from a public into a private header file
2018-03-08 14:13:48 -07:00
bounce.c
treewide: simplify Kconfig dependencies for removed archs
2018-03-26 15:55:57 +02:00
bsg-lib.c
bsg: split handling of SCSI CDBs vs transport requeues
2018-03-13 11:40:24 -06:00
bsg.c
bsg: split handling of SCSI CDBs vs transport requeues
2018-03-13 11:40:24 -06:00
cfq-iosched.c
block/cfq: cache rightmost rb_node
2017-09-08 18:26:49 -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
deadline-iosched.c
deadline-iosched: Introduce zone locking support
2018-01-05 09:22:17 -07:00
elevator.c
block: Document scheduler modification locking requirements
2018-01-18 12:54:42 -07:00
genhd.c
block, char_dev: Use correct format specifier for unsigned ints
2018-03-15 17:59:24 +01:00
ioctl.c
block: pass inclusive 'lend' parameter to truncate_inode_pages_range
2018-02-23 15:20:19 -07:00
ioprio.c
block: Add fallthrough markers to switch statements
2017-06-21 11:46:07 -06:00
Kconfig
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig.iosched
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
kyber-iosched.c
block: kyber: fix domain token leak during requeue
2018-02-24 15:55:54 -07:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mq-deadline.c
mq-deadline: Make sure to always unlock zones
2018-03-01 08:39:24 -07:00
noop-iosched.c
block: move existing elevator ops to union
2017-01-17 10:03:33 -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: display the correct diskname for bio
2018-03-01 08:41:25 -07:00
scsi_ioctl.c
block: silently forbid sending any ioctl to a partition
2018-01-10 12:30:37 -07:00
sed-opal.c
for-4.17/block-20180402
2018-04-05 14:27:02 -07:00
t10-pi.c
t10-pi: Move opencoded contants to common header
2017-07-03 16:56:25 -06:00