Song Liu effe6ee752 md/r5cache: improve recovery with read ahead page pool ...

In r5cache recovery, the journal device is scanned page by page.
Currently, we use sync_page_io() to read journal device. This is
not efficient when we have to recovery many stripes from the journal.

To improve the speed of recovery, this patch introduces a read ahead
page pool (ra_pool) to recovery_ctx. With ra_pool, multiple consecutive
pages are read in one IO. Then the recovery code read the journal from
ra_pool.

With ra_pool, r5l_recovery_ctx has become much bigger. Therefore,
r5l_recovery_log() is refactored so r5l_recovery_ctx is not using
stack space.

Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>

2017-03-16 16:55:53 -07:00

..

bcache

drivers/md/bcache/util.h: remove duplicate inclusion of blkdev.h

2017-03-09 17:01:10 -08:00

persistent-data

sched/headers: Prepare to move the get_task_struct()/put_task_struct() and related APIs from <linux/sched.h> to <linux/sched/task.h>

2017-03-02 08:42:40 +01:00

bitmap.c

md-cluster: introduce cluster_check_sync_size

2017-03-16 16:55:50 -07:00

bitmap.h

md-cluster: introduce cluster_check_sync_size

2017-03-16 16:55:50 -07:00

dm-bio-prison.c

block: add a bi_error field to struct bio

2015-07-29 08:55:15 -06:00

dm-bio-prison.h

dm bio prison: add dm_cell_promote_or_release()

2015-05-29 14:19:06 -04:00

dm-bio-record.h

…

dm-bufio.c

sched/headers: Prepare to move the memalloc_noio_*() APIs to <linux/sched/mm.h>

2017-03-02 08:42:33 +01:00

dm-bufio.h

…

dm-builtin.c

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

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

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 metadata: add "metadata2" feature

2017-02-16 13:12:47 -05:00

dm-cache-policy-cleaner.c

dm cache: speed up writing of the hint array

2016-09-22 11:15:02 -04:00

dm-cache-policy-internal.h

dm cache: speed up writing of the hint array

2016-09-22 11:15:02 -04:00

dm-cache-policy-smq.c

dm cache policy smq: use hash_32() instead of hash_32_generic()

2016-12-08 19:42:37 -05:00

dm-cache-policy.c

…

dm-cache-policy.h

dm cache: speed up writing of the hint array

2016-09-22 11:15:02 -04:00

dm-cache-target.c

- Fix dm-raid transient device failure processing and other smaller

2017-02-21 12:11:41 -08:00

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

KEYS: Differentiate uses of rcu_dereference_key() and user_key_payload()

2017-03-02 10:09:00 +11:00

dm-delay.c

dm: rename target's per_bio_data_size to per_io_data_size

2016-02-22 22:34:37 -05:00

dm-era-target.c

block: Use pointer to backing_dev_info from request_queue

2017-02-02 08:20:48 -07:00

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-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

sched/headers: Prepare to move the memalloc_noio_*() APIs to <linux/sched/mm.h>

2017-03-02 08:42:33 +01:00

dm-kcopyd.c

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

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

dm-linear.c

libnvdimm for 4.8

2016-07-28 17:38:16 -07:00

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

Merge branch 'for-4.11/next' into for-4.11/linus-merge

2017-02-17 14:08:19 -07:00

dm-mpath.h

…

dm-path-selector.c

…

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: bump the target version

2017-02-28 16:47:52 -05:00

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-rq: don't dereference request payload after ending request

2017-02-24 13:19:32 -07:00

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

block: rename bio bi_rw to bi_opf

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

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

block: Use pointer to backing_dev_info from request_queue

2017-02-02 08:20:48 -07:00

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

block: Use pointer to backing_dev_info from request_queue

2017-02-02 08:20:48 -07:00

dm-uevent.c

…

dm-uevent.h

…

dm-verity-fec.c

dm verity fec: fix block calculation

2016-07-01 23:29:08 -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: fix incorrect error message

2016-11-21 09:52:01 -05:00

dm-verity.h

dm verity: add ignore_zero_blocks feature

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

dm-zero.c

block: rename bio bi_rw to bi_opf

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

dm.c

blk: Ensure users for current->bio_list can see the full list.

2017-03-11 15:31:37 -07:00

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 block manager: make block locking optional

2016-11-14 15:17:47 -05:00

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

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

md-cluster.c

md-cluster: add the support for resize

2017-03-16 16:55:50 -07:00

md-cluster.h

md-cluster: add the support for resize

2017-03-16 16:55:50 -07:00

md.c

md-cluster: add the support for resize

2017-03-16 16:55:50 -07:00

md.h

md-cluster: use sync way to handle METADATA_UPDATED msg

2017-03-16 16:55:49 -07:00

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

…

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

md/raid1: fix a trivial typo in comments

2017-03-14 11:10:44 -07:00

raid1.h

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

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

raid5-cache.c

md/r5cache: improve recovery with read ahead page pool

2017-03-16 16:55:53 -07:00

raid5.c

md/raid5: sort bios

2017-03-16 16:55:52 -07:00

raid5.h

md/raid5: sort bios

2017-03-16 16:55:52 -07:00

raid10.c

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

2017-03-16 11:43:48 -07:00

raid10.h

md/raid10: add failfast handling for reads.

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