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21e768b442
linux/block
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Bart Van Assche 21e768b442 blk-mq: Make blk_mq_get_request() error path less confusing 
blk_mq_get_tag() can modify data->ctx. This means that in the
error path of blk_mq_get_request() data->ctx should be passed to
blk_mq_put_ctx() instead of local_ctx. Note: since blk_mq_put_ctx()
ignores its argument, this patch does not change any functionality.

References: commit 1ad43c0078 ("blk-mq: don't leak preempt counter/q_usage_counter when allocating rq failed")
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-11-03 12:33:56 -06:00
..
partitions partitions/ldm: switch to use uuid_t 2017-06-05 16:59:14 +02:00
badblocks.c block: Add fallthrough markers to switch statements 2017-06-21 11:46:07 -06:00
bfq-cgroup.c bfq: Declare local functions static 2017-09-01 13:56:37 -06:00
bfq-iosched.c block, bfq: fix unbalanced decrements of burst size 2017-10-09 09:54:58 -06:00
bfq-iosched.h Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block 2017-09-07 11:59:42 -07:00
bfq-wf2q.c block, bfq: guarantee update_next_in_service always returns an eligible entity 2017-08-31 08:20:31 -06:00
bio-integrity.c block: remove unnecessary NULL checks in bioset_integrity_free() 2017-10-06 13:03:12 -06:00
bio.c block: fix Sphinx kernel-doc warning 2017-10-16 13:00:12 -06:00
blk-cgroup.c blkcg: check pol->cpd_free_fn before free cpd 2017-10-10 09:04:47 -06:00
blk-core.c block: add a poll_fn callback to struct request_queue 2017-11-03 10:31:48 -06:00
blk-exec.c block: introduce new block status code type 2017-06-09 09:27:32 -06:00
blk-flush.c block: update comments to reflect REQ_FLUSH -> REQ_PREFLUSH rename 2017-08-25 10:36:54 -06:00
blk-integrity.c block: switch bios to blk_status_t 2017-06-09 09:27:32 -06:00
blk-ioc.c Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2017-03-03 10:53:35 -08:00
blk-lib.c block: cope with WRITE ZEROES failing in blkdev_issue_zeroout() 2017-10-25 12:28:23 -06:00
blk-map.c blk-map: call blk_queue_bounce from blk_rq_append_bio 2017-06-27 12:13:21 -06:00
blk-merge.c block: replace bi_bdev with a gendisk pointer and partitions index 2017-08-23 12:49:55 -06:00
blk-mq-cpumap.c blk-mq: map queues to all present CPUs 2017-07-24 10:01:31 -06:00
blk-mq-debugfs.c block: remove QUEUE_FLAG_STACKABLE 2017-10-05 15:22:59 -06:00
blk-mq-debugfs.h mq-deadline: add debugfs attributes 2017-05-04 08:25:17 -06:00
blk-mq-pci.c blk-mq-pci: add a fallback when pci_irq_get_affinity returns NULL 2017-08-18 08:08:14 -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: don't restart queue when .get_budget returns BLK_STS_RESOURCE 2017-11-01 08:20:34 -06:00
blk-mq-sched.h blk-mq: don't restart queue when .get_budget returns BLK_STS_RESOURCE 2017-11-01 08:20:34 -06:00
blk-mq-sysfs.c blk-mq: untangle debugfs and sysfs 2017-05-04 08:24:13 -06:00
blk-mq-tag.c block: remove blk_mq_reinit_tagset 2017-10-18 19:27:49 +02:00
blk-mq-tag.h blk-mq-tag: kill unused tag enums 2017-10-01 01:26:21 -06:00
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: Make blk_mq_get_request() error path less confusing 2017-11-03 12:33:56 -06:00
blk-mq.h blk-mq-sched: improve dispatching from sw queue 2017-11-01 08:20:02 -06:00
blk-settings.c block: Warn if blk_queue_rq_timed_out() is called for a blk-mq queue 2017-08-23 12:02:30 -06:00
blk-softirq.c smp: Avoid using two cache lines for struct call_single_data 2017-08-29 15:14:38 +02:00
blk-stat.c blk-stat: delete useless code 2017-10-10 13:48:14 -06:00
blk-stat.h blk-stat: kill blk_stat_rq_ddir() 2017-04-21 07:56:23 -06:00
blk-sysfs.c block: fix warning when I/O elevator is changed as request_queue is being removed 2017-08-28 10:52:44 -06:00
blk-tag.c block: Unexport blk_queue_end_tag() 2017-08-18 08:36:58 -06:00
blk-throttle.c blk-throttle: fix null pointer dereference while throttling writeback IOs 2017-10-10 13:09:34 -06:00
blk-timeout.c block: Fix a race between blk_cleanup_queue() and timeout handling 2017-10-30 13:28:10 -06:00
blk-wbt.c block,bfq: Disable writeback throttling 2017-10-09 08:29:21 -06:00
blk-wbt.h block: Make writeback throttling defaults consistent for SQ devices 2017-04-19 08:49:03 -06:00
blk-zoned.c block: replace bi_bdev with a gendisk pointer and partitions index 2017-08-23 12:49:55 -06:00
blk.h blk-mq: document the need to have STARTED and COMPLETED share a byte 2017-10-04 11:22:24 -06:00
bounce.c block: remove the queue_bounce_pfn helper 2017-06-27 12:13:45 -06:00
bsg-lib.c bsg-lib: don't free job in bsg_prepare_job 2017-09-25 08:56:05 -06:00
bsg.c bsg: remove #if 0'ed code 2017-08-29 10:50:30 -06:00
cfq-iosched.c block/cfq: cache rightmost rb_node 2017-09-08 18:26:49 -07:00
cmdline-parser.c block: remove unrelated header files and export symbol 2014-01-21 20:18:26 -08:00
compat_ioctl.c compat_hdio_ioctl: Fix a declaration 2017-08-31 17:32:41 -04:00
deadline-iosched.c block, scheduler: convert xxx_var_store to void 2017-08-28 10:01:08 -06:00
elevator.c elevator: allow name aliases 2017-10-25 12:36:50 -06:00
genhd.c block: introduce GENHD_FL_HIDDEN 2017-11-03 10:31:48 -06:00
ioctl.c block: move CAP_SYS_ADMIN check in blkdev_roset() 2017-10-25 12:25:00 -06:00
ioprio.c block: Add fallthrough markers to switch statements 2017-06-21 11:46:07 -06:00
Kconfig block: Add rdma affinity based queue mapping helper 2017-08-08 14:58:03 -04:00
Kconfig.iosched block, bfq: add full hierarchical scheduling and cgroups support 2017-04-19 08:30:26 -06:00
kyber-iosched.c block: kyber: check if there are requests in ctx in kyber_has_work() 2017-11-01 08:20:02 -06:00
Makefile block: Add rdma affinity based queue mapping helper 2017-08-08 14:58:03 -04:00
mq-deadline.c mq-deadline: add 'deadline' as a name alias 2017-10-25 12:36:55 -06:00
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: fix a crash caused by wrong API 2017-09-25 08:56:05 -06:00
scsi_ioctl.c block: Change argument type of scsi_req_init() 2017-06-20 19:27:14 -06:00
sed-opal.c block: sed-opal: Set MBRDone on S3 resume path if TPER is MBREnabled 2017-09-11 09:45:52 -06:00
t10-pi.c t10-pi: Move opencoded contants to common header 2017-07-03 16:56:25 -06:00