iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/block
History
Ming Lei 23d4ee19e7 blk-mq: don't dispatch request in blk_mq_request_direct_issue if queue is busy 
If we run into blk_mq_request_direct_issue(), when queue is busy, we
don't want to dispatch this request into hctx->dispatch_list, and
what we need to do is to return the queue busy info to caller, so
that caller can deal with it well.

Fixes: 396eaf21ee ("blk-mq: improve DM's blk-mq IO merging via blk_insert_cloned_request feedback")
Reported-by: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-01-17 21:38:52 -07:00
..
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
block, bfq: fix occurrences of request finish method's old name
2018-01-10 07:43:54 -07:00
bfq-iosched.h
block, bfq: let a queue be merged only shortly after starting I/O
2018-01-05 09:26:09 -07:00
bfq-wf2q.c
block, bfq: let a queue be merged only shortly after starting I/O
2018-01-05 09:26:09 -07:00
bio-integrity.c
block: Fix __bio_integrity_endio() documentation
2018-01-17 09:59:33 -07:00
bio.c
block: move bio_alloc_pages() to bcache
2018-01-06 09:18:00 -07:00
blk-cgroup.c
blkcg: add sanity check for blkcg policy operations
2017-11-04 12:31:15 -06:00
blk-core.c
blk-mq: improve DM's blk-mq IO merging via blk_insert_cloned_request feedback
2018-01-17 09:46:54 -07:00
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
Merge branch 'for-4.15/block' of git://git.kernel.dk/linux-block
2017-11-14 15:32:19 -08:00
blk-map.c
blk_rq_map_user_iov: fix error override
2018-01-15 08:50:32 -07:00
blk-merge.c
Revert "block: blk-merge: try to make front segments in full size"
2018-01-09 20:23:19 -07:00
blk-mq-cpumap.c
blk-mq: map queues to all present CPUs
2017-07-24 10:01:31 -06:00
blk-mq-debugfs.c
blk-mq: add missing RQF_STARTED to debugfs
2018-01-12 14:47:57 -07:00
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-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-sched: remove unused 'can_block' arg from blk_mq_sched_insert_request
2018-01-17 09:49:21 -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: don't dispatch request in blk_mq_request_direct_issue if queue is busy
2018-01-17 21:38:52 -07:00
blk-mq.h
blk-mq: improve DM's blk-mq IO merging via blk_insert_cloned_request feedback
2018-01-17 09:46:54 -07:00
blk-settings.c
block: remove __bio_kmap_atomic
2017-11-10 19:53:25 -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
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
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: allow gendisk's request_queue registration to be deferred
2018-01-15 08:41:38 -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
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
blk-timeout.c
block: add accessors for setting/querying request deadline
2018-01-10 11:47:47 -07:00
blk-wbt.c
blk-wbt: fix comments typo
2017-11-23 22:00:20 -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: introduce zoned block devices zone write locking
2018-01-05 09:22:17 -07:00
blk.h
block: convert REQ_ATOM_COMPLETE to stealing rq->__deadline bit
2018-01-10 11:47:53 -07:00
bounce.c
block: bounce: don't access bio->bi_io_vec in copy_to_high_bio_irq
2018-01-06 09:18:00 -07:00
bsg-lib.c
block: Fix kernel-doc warnings reported when building with W=1
2018-01-09 11:15:17 -07:00
bsg.c
block: pass full fmode_t to blk_verify_command
2017-11-10 19:53:25 -07:00
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
blk-mq: quiesce queue during switching io sched and updating nr_requests
2018-01-06 09:25:36 -07:00
genhd.c
block: allow gendisk's request_queue registration to be deferred
2018-01-15 08:41:38 -07:00
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
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: check if there are requests in ctx in kyber_has_work()
2017-11-01 08:20:02 -06:00
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 it clear that __dd_dispatch_request() works on all hw queues
2018-01-06 09:23:11 -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
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
scsi_ioctl.c
block: silently forbid sending any ioctl to a partition
2018-01-10 12:30:37 -07:00
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