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Jens Axboe bba91cdba6 Revert "block: end bio with BLK_STS_AGAIN in case of non-mq devs and REQ_NOWAIT" 
[ Upstream commit b0beb28097fa04177b3769f4bb7a0d0d9c4ae76e ]

This reverts commit c58c1f83436b501d45d4050fd1296d71a9760bcb.

io_uring does do the right thing for this case, and we're still returning
-EAGAIN to userspace for the cases we don't support. Revert this change
to avoid doing endless spins of resubmits.

Cc: stable@vger.kernel.org # v5.6
Reported-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-06-03 08:21:27 +02:00
..
partitions
docs: admin-guide: add a series of orphaned documents
2019-07-15 11:03:02 -03:00
badblocks.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
bfq-cgroup.c
block, bfq: invoke flush_idle_tree after reparent_active_queues in pd_offline
2020-04-23 10:36:26 +02:00
bfq-iosched.c
block, bfq: turn put_queue into release_process_ref in __bfq_bic_change_cgroup
2020-04-23 10:36:26 +02:00
bfq-iosched.h
block, bfq: turn put_queue into release_process_ref in __bfq_bic_change_cgroup
2020-04-23 10:36:26 +02:00
bfq-wf2q.c
block, bfq: get a ref to a group when adding it to a service tree
2020-03-12 13:00:32 +01:00
bio-integrity.c
block: fix memleak of bio integrity data
2020-01-26 10:01:09 +01:00
bio.c
block: fix memleak of bio integrity data
2020-01-26 10:01:09 +01:00
blk-cgroup.c
blkcg: make blkcg_print_stat() print stats only for online blkgs
2019-11-06 17:08:38 -07:00
blk-core.c
Revert "block: end bio with BLK_STS_AGAIN in case of non-mq devs and REQ_NOWAIT"
2020-06-03 08:21:27 +02:00
blk-exec.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
blk-flush.c
blk-mq: insert passthrough request into hctx->dispatch directly
2020-03-21 08:11:52 +01:00
blk-integrity.c
block: centralize PI remapping logic to the block layer
2019-09-17 20:03:49 -06:00
blk-ioc.c
block: Fix use-after-free issue accessing struct io_cq
2020-04-17 10:50:04 +02:00
blk-iocost.c
iocost: protect iocg->abs_vdebt with iocg->waitq.lock
2020-05-14 07:58:27 +02:00
blk-iolatency.c
blkcg: s/RQ_QOS_CGROUP/RQ_QOS_LATENCY/
2019-08-28 21:17:08 -06:00
blk-lib.c
block: fix 32 bit overflow in __blkdev_issue_discard()
2018-11-14 08:17:18 -07:00
blk-map.c
block: fix memleak when __blk_rq_map_user_iov() is failed
2020-01-12 12:21:43 +01:00
blk-merge.c
block: Improve physical block alignment of split bios
2019-08-04 21:41:29 -06:00
blk-mq-cpumap.c
blk-mq: balance mapping between present CPUs and queues
2019-08-04 21:43:12 -06:00
blk-mq-debugfs-zoned.c
block: Cleanup license notice
2019-01-17 21:21:40 -07:00
blk-mq-debugfs.c
for-5.3/block-20190708
2019-07-09 10:45:06 -07:00
blk-mq-debugfs.h
blk-mq: no need to check return value of debugfs_create functions
2019-06-13 03:00:30 -06:00
blk-mq-pci.c
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq-rdma.c
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq-sched.c
blk-mq: insert flush request to the front of dispatch queue
2020-03-21 08:11:57 +01:00
blk-mq-sched.h
block: blk-mq: Remove blk_mq_sched_started_request and started_request
2019-07-23 07:25:09 -06:00
blk-mq-sysfs.c
blk-mq: make sure that line break can be printed
2019-12-17 19:56:53 +01:00
blk-mq-tag.c
blk-mq: introduce blk_mq_tagset_wait_completed_request()
2019-08-04 21:41:29 -06:00
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
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq.c
blk-mq: Put driver tag in blk_mq_dispatch_rq_list() when no budget
2020-05-02 08:48:59 +02:00
blk-mq.h
blk-mq: insert passthrough request into hctx->dispatch directly
2020-03-21 08:11:52 +01:00
blk-pm.c
block: bypass blk_set_runtime_active for uninitialized q->dev
2019-09-12 07:11:56 -06:00
blk-pm.h
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-rq-qos.c
blk-wbt: fix performance regression in wbt scale_up/scale_down
2019-10-06 09:26:41 -06:00
blk-rq-qos.h
blk-rq-qos: fix first node deletion of rq_qos_del()
2019-10-15 10:13:13 -06:00
blk-settings.c
block: keep bdi->io_pages in sync with max_sectors_kb for stacked devices
2020-04-17 10:50:01 +02:00
blk-softirq.c
block: remove a few unused exports
2018-11-15 12:13:25 -07:00
blk-stat.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
blk-stat.h
block: deactivate blk_stat timer in wbt_disable_default()
2018-12-12 06:47:51 -07:00
blk-sysfs.c
rq-qos: get rid of redundant wbt_update_limits()
2019-09-27 01:13:10 -06:00
blk-throttle.c
block: make rq sector size accessible for block stats
2019-09-15 16:02:08 -06:00
blk-timeout.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
blk-wbt.c
blk-wbt: fix performance regression in wbt scale_up/scale_down
2019-10-06 09:26:41 -06:00
blk-wbt.h
block/rq_qos: implement rq_qos_ops->queue_depth_changed()
2019-08-28 21:17:07 -06:00
blk-zoned.c
blk-zoned: implement REQ_OP_ZONE_RESET_ALL
2019-08-04 21:41:29 -06:00
blk.h
block: fix memleak of bio integrity data
2020-01-26 10:01:09 +01:00
bounce.c
block: remove the i argument to bio_for_each_segment_all
2019-04-30 09:26:13 -06:00
bsg-lib.c
block: Fix the type of 'sts' in bsg_queue_rq()
2020-01-23 08:22:44 +01:00
bsg.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
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
compat_ioctl: block: handle BLKGETZONESZ/BLKGETNRZONES
2020-01-09 10:19:58 +01:00
elevator.c
block: Fix elv_support_iosched()
2019-10-14 13:54:09 -06:00
genhd.c
block: Delay default elevator initialization
2019-09-05 19:52:34 -06:00
ioctl.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
ioprio.c
docs: block: convert to ReST
2019-07-15 09:20:27 -03:00
Kconfig
blkcg: implement blk-iocost
2019-08-28 21:17:12 -06:00
Kconfig.iosched
docs: block: convert to ReST
2019-07-15 09:20:27 -03:00
kyber-iosched.c
blk-mq: remove blk_mq_put_ctx()
2019-07-02 21:03:27 -06:00
Makefile
blkcg: implement blk-iocost
2019-08-28 21:17:12 -06:00
mq-deadline.c
block: Introduce elevator features
2019-09-05 19:52:33 -06:00
opal_proto.h
block: sed-opal: Removed duplicate OPAL_METHOD_LENGTH definition
2019-08-20 09:34:49 -06:00
partition-generic.c
block: fix use-after-free on gendisk
2019-04-22 09:48:12 -06:00
scsi_ioctl.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
sed-opal.c
block: sed-opal: fix sparse warning: convert __be64 data
2019-10-03 14:21:32 -06:00
t10-pi.c
block: t10-pi: fix -Wswitch warning
2019-09-23 08:05:19 -06:00