Bart Van Assche c1d7ecf7ca dm mpath: delay requeuing while path initialization is in progress ...

Requeuing a request immediately while path initialization is ongoing
causes high CPU usage, something that is undesired.  Hence delay
requeuing while path initialization is in progress.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

2017-04-27 17:08:01 -04:00

..

bcache

sched/headers: Prepare to use <linux/rcuupdate.h> instead of <linux/rculist.h> in <linux/sched.h>

2017-03-02 08:42:38 +01:00

persistent-data

dm btree: fix for dm_btree_find_lowest_key()

2017-04-24 14:47:49 -04:00

bitmap.c

md: separate flags for superblock changes

2016-12-08 22:01:47 -08:00

bitmap.h

md-cluster: sync bitmap when node received RESYNCING msg

2016-05-04 12:39:35 -07:00

dm-bio-prison-v1.c

dm bio prison v2: new interface for the bio prison

2017-03-07 11:30:16 -05:00

dm-bio-prison-v1.h

dm bio prison v2: new interface for the bio prison

2017-03-07 11:30:16 -05:00

dm-bio-prison-v2.c

dm bio prison v2: new interface for the bio prison

2017-03-07 11:30:16 -05:00

dm-bio-prison-v2.h

dm bio prison v2: new interface for the bio prison

2017-03-07 11:30:16 -05:00

dm-bio-record.h

dm: Refactor for new bio cloning/splitting

2013-11-23 22:33:55 -08:00

dm-bufio.c

dm bufio: add sector start offset to dm-bufio interface

2017-03-07 13:28:33 -05:00

dm-bufio.h

dm bufio: add sector start offset to dm-bufio interface

2017-03-07 13:28:33 -05:00

dm-builtin.c

dm: move request-based code out to dm-rq.[hc]

2016-06-10 15:15:44 -04:00

dm-cache-background-tracker.c

dm cache: significant rework to leverage dm-bio-prison-v2

2017-03-07 13:28:31 -05:00

dm-cache-background-tracker.h

dm cache: significant rework to leverage dm-bio-prison-v2

2017-03-07 13:28:31 -05:00

dm-cache-block-types.h

linux: drop __bitwise__ everywhere

2016-12-16 00:13:41 +02:00

dm-cache-metadata.c

dm cache metadata: use cursor api in blocks_are_clean_separate_dirty()

2017-02-16 13:12:51 -05:00

dm-cache-metadata.h

dm cache: significant rework to leverage dm-bio-prison-v2

2017-03-07 13:28:31 -05:00

dm-cache-policy-internal.h

dm cache: significant rework to leverage dm-bio-prison-v2

2017-03-07 13:28:31 -05:00

dm-cache-policy-smq.c

dm cache policy smq: make the cleaner policy write-back more aggressively

2017-03-31 11:41:05 -04:00

dm-cache-policy.c

dm cache: add policy name to status output

2014-01-16 13:44:11 -05:00

dm-cache-policy.h

dm cache: significant rework to leverage dm-bio-prison-v2

2017-03-07 13:28:31 -05:00

dm-cache-target.c

dm cache: set/clear the cache core's dirty_bitset when loading mappings

2017-03-31 11:33:44 -04:00

dm-core.h

dm: always defer request allocation to the owner of the request_queue

2017-01-27 15:08:35 -07:00

dm-crypt.c

dm crypt: replace custom implementation of hex2bin()

2017-04-27 12:08:31 -04:00

dm-delay.c

dm: mark targets that pass integrity data

2017-04-24 12:04:32 -04:00

dm-era-target.c

dm era: save spacemap metadata root after the pre-commit

2017-04-24 15:02:14 -04:00

dm-exception-store.c

- Revert a dm-multipath change that caused a regression for unprivledged

2015-11-04 21:19:53 -08:00

dm-exception-store.h

dm snapshot: fix hung bios when copy error occurs

2016-01-08 20:03:05 -05:00

dm-flakey.c

dm flakey: introduce "error_writes" feature

2016-12-13 15:01:31 -05:00

dm-integrity.c

dm integrity: use previously calculated log2 of sectors_per_block

2017-04-27 12:16:32 -04:00

dm-io.c

dm io: use bvec iterator helpers to implement .get_page and .next_page

2016-11-21 09:51:57 -05:00

dm-ioctl.c

dm ioctl: prevent stack leak in dm ioctl call

2017-04-27 13:55:13 -04:00

dm-kcopyd.c

dm: move request-based code out to dm-rq.[hc]

2016-06-10 15:15:44 -04:00

dm-linear.c

dm: mark targets that pass integrity data

2017-04-24 12:04:32 -04:00

dm-log-userspace-base.c

dm: drop NULL test before kmem_cache_destroy() and mempool_destroy()

2015-10-31 19:06:00 -04:00

dm-log-userspace-transfer.c

dm log userspace transfer: match wait_for_completion_timeout return type

2015-04-15 12:10:20 -04:00

dm-log-userspace-transfer.h

…

dm-log-writes.c

Merge branch 'for-4.9/block' of git://git.kernel.dk/linux-block

2016-10-07 14:42:05 -07:00

dm-log.c

block,fs: use REQ_* flags directly

2016-11-01 09:43:26 -06:00

dm-mpath.c

dm mpath: delay requeuing while path initialization is in progress

2017-04-27 17:08:01 -04:00

dm-mpath.h

…

dm-path-selector.c

md: Add module.h to all files using it implicitly

2011-10-31 19:31:18 -04:00

dm-path-selector.h

dm path selector: remove 'repeat_count' return from .select_path hook

2016-02-22 22:34:42 -05:00

dm-queue-length.c

dm path selector: remove 'repeat_count' return from .select_path hook

2016-02-22 22:34:42 -05:00

dm-raid1.c

Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block

2016-12-13 10:19:16 -08:00

dm-raid.c

dm raid: add raid4/5/6 journal write-back support via journal_mode option

2017-03-27 12:08:07 -04:00

dm-region-hash.c

block: rename bio bi_rw to bi_opf

2016-08-07 14:41:02 -06:00

dm-round-robin.c

dm round robin: revert "use percpu 'repeat_count' and 'current_path'"

2017-02-17 00:54:09 -05:00

dm-rq.c

dm mpath: requeue after a small delay if blk_get_request() fails

2017-04-24 15:06:19 -04:00

dm-rq.h

dm: always defer request allocation to the owner of the request_queue

2017-01-27 15:08:35 -07:00

dm-service-time.c

dm path selector: remove 'repeat_count' return from .select_path hook

2016-02-22 22:34:42 -05:00

dm-snap-persistent.c

block,fs: use REQ_* flags directly

2016-11-01 09:43:26 -06:00

dm-snap-transient.c

dm snapshot: fix hung bios when copy error occurs

2016-01-08 20:03:05 -05:00

dm-snap.c

block: rename bio bi_rw to bi_opf

2016-08-07 14:41:02 -06:00

dm-stats.c

dm stats: fix a leaked s->histogram_boundaries array

2017-02-16 14:17:07 -05:00

dm-stats.h

dm stats: support precise timestamps

2015-06-17 12:40:40 -04:00

dm-stripe.c

dm: mark targets that pass integrity data

2017-04-24 12:04:32 -04:00

dm-switch.c

dm switch: simplify conditional in alloc_region_table()

2015-10-31 19:06:06 -04:00

dm-sysfs.c

dm: move request-based code out to dm-rq.[hc]

2016-06-10 15:15:44 -04:00

dm-table.c

dm: mark targets that pass integrity data

2017-04-24 12:04:32 -04:00

dm-target.c

dm: always defer request allocation to the owner of the request_queue

2017-01-27 15:08:35 -07:00

dm-thin-metadata.c

dm thin: fix a race condition between discarding and provisioning a block

2016-07-20 12:43:35 -04:00

dm-thin-metadata.h

dm thin: fix a race condition between discarding and provisioning a block

2016-07-20 12:43:35 -04:00

dm-thin.c

dm thin: fix a memory leak when passing discard bio down

2017-04-24 14:58:10 -04:00

dm-uevent.c

md: Add in export.h for files using EXPORT_SYMBOL

2011-10-31 19:31:19 -04:00

dm-uevent.h

…

dm-verity-fec.c

dm verity: switch to using asynchronous hash crypto API

2017-04-24 15:37:04 -04:00

dm-verity-fec.h

dm verity: add support for forward error correction

2015-12-10 10:39:03 -05:00

dm-verity-target.c

dm verity: switch to using asynchronous hash crypto API

2017-04-24 15:37:04 -04:00

dm-verity.h

dm verity: switch to using asynchronous hash crypto API

2017-04-24 15:37:04 -04:00

dm-zero.c

block: rename bio bi_rw to bi_opf

2016-08-07 14:41:02 -06:00

dm.c

dm: mark targets that pass integrity data

2017-04-24 12:04:32 -04:00

dm.h

dm: always defer request allocation to the owner of the request_queue

2017-01-27 15:08:35 -07:00

faulty.c

md: fast clone bio in bio_clone_mddev()

2017-02-15 11:24:54 -08:00

Kconfig

dm raid: select the Kconfig option CONFIG_MD_RAID0

2017-03-30 11:17:08 -04:00

linear.c

Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md

2017-02-24 14:42:19 -08:00

linear.h

md linear: fix a race between linear_add() and linear_congested()

2017-02-13 09:17:50 -08:00

Makefile

dm: add integrity target

2017-03-24 15:49:07 -04:00

md-cluster.c

md-cluster: make resync lock also could be interruptted

2016-09-21 09:09:44 -07:00

md-cluster.h

md-cluster: gather resync infos and enable recv_thread after bitmap is ready

2016-05-09 09:24:03 -07:00

md.c

sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>

2017-03-02 08:42:29 +01:00

md.h

md: fast clone bio in bio_clone_mddev()

2017-02-15 11:24:54 -08:00

multipath.c

Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md

2017-02-24 14:42:19 -08:00

multipath.h

md/multipath: typedef removal: multipath_conf_t -> struct mpconf

2011-10-11 16:48:57 +11:00

raid0.c

Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md

2017-02-24 14:42:19 -08:00

raid0.h

block: kill merge_bvec_fn() completely

2015-08-13 12:31:57 -06:00

raid1.c

sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>

2017-03-02 08:42:29 +01:00

raid1.h

RAID1: avoid unnecessary spin locks in I/O barrier code

2017-02-19 22:04:25 -08:00

raid5-cache.c

md: add raid4/5/6 journal mode switching API

2017-03-27 11:13:47 -04:00

raid5.c

sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>

2017-03-02 08:42:29 +01:00

raid5.h

md: add raid4/5/6 journal mode switching API

2017-03-27 11:13:47 -04:00

raid10.c

Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md

2017-02-24 14:42:19 -08:00

raid10.h

md/raid10: add failfast handling for reads.

2016-11-22 09:14:28 -08:00