Joe Thornber 2e63309507 dm cache policy smq: don't do any writebacks unless IDLE ...

If there are no clean blocks to be demoted the writeback will be
triggered at that point.  Preemptively writing back can hurt high IO
load scenarios.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

2017-05-14 21:54:33 -04:00

..

bcache

drivers/md/bcache/super.c: use kvmalloc

2017-05-08 17:15:13 -07:00

persistent-data

dm block manager: remove an unused argument from dm_block_manager_create()

2017-04-27 17:08:41 -04:00

bitmap.c

md: fix several trivial typos in comments

2017-03-23 22:54:57 -07:00

bitmap.h

md: move bitmap_destroy to the beginning of __md_stop

2017-03-16 16:55:58 -07:00

dm-bio-prison-v1.c

…

dm-bio-prison-v1.h

…

dm-bio-prison-v2.c

…

dm-bio-prison-v2.h

…

dm-bio-record.h

…

dm-bufio.c

mm, vmalloc: use __GFP_HIGHMEM implicitly

2017-05-08 17:15:13 -07:00

dm-bufio.h

…

dm-builtin.c

…

dm-cache-background-tracker.c

…

dm-cache-background-tracker.h

…

dm-cache-block-types.h

…

dm-cache-metadata.c

dm cache metadata: fail operations if fail_io mode has been established

2017-05-05 14:40:13 -04:00

dm-cache-metadata.h

…

dm-cache-policy-internal.h

…

dm-cache-policy-smq.c

dm cache policy smq: don't do any writebacks unless IDLE

2017-05-14 21:54:33 -04:00

dm-cache-policy.c

…

dm-cache-policy.h

…

dm-cache-target.c

dm cache: simplify the IDLE vs BUSY state calculation

2017-05-14 21:54:33 -04:00

dm-core.h

libnvdimm for 4.12

2017-05-05 18:49:20 -07:00

dm-crypt.c

- A major update for DM cache that reduces the latency for deciding

2017-05-03 10:31:20 -07:00

dm-delay.c

dm: mark targets that pass integrity data

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

dm-era-target.c

dm block manager: remove an unused argument from dm_block_manager_create()

2017-04-27 17:08:41 -04:00

dm-exception-store.c

…

dm-exception-store.h

…

dm-flakey.c

…

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: support REQ_OP_WRITE_ZEROES

2017-04-08 11:25:38 -06:00

dm-ioctl.c

drivers/md/dm-ioctl.c: use kvmalloc rather than opencoded variant

2017-05-08 17:15:13 -07:00

dm-kcopyd.c

dm kcopyd: switch to use REQ_OP_WRITE_ZEROES

2017-04-08 11:25:38 -06:00

dm-linear.c

libnvdimm for 4.12

2017-05-05 18:49:20 -07:00

dm-log-userspace-base.c

…

dm-log-userspace-transfer.c

…

dm-log-userspace-transfer.h

…

dm-log-writes.c

…

dm-log.c

…

dm-mpath.c

- A major update for DM cache that reduces the latency for deciding

2017-05-03 10:31:20 -07:00

dm-mpath.h

…

dm-path-selector.c

…

dm-path-selector.h

…

dm-queue-length.c

…

dm-raid1.c

block: remove the discard_zeroes_data flag

2017-04-08 11:25:38 -06:00

dm-raid.c

- A major update for DM cache that reduces the latency for deciding

2017-05-03 10:31:20 -07:00

dm-region-hash.c

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dm-round-robin.c

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dm-rq.c

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

2017-05-06 11:25:08 -07:00

dm-rq.h

…

dm-service-time.c

…

dm-snap-persistent.c

…

dm-snap-transient.c

…

dm-snap.c

dm: teach dm-targets to use a dax_device + dax_operations

2017-04-25 13:20:36 -07:00

dm-stats.c

mm: introduce kv[mz]alloc helpers

2017-05-08 17:15:12 -07:00

dm-stats.h

…

dm-stripe.c

libnvdimm for 4.12

2017-05-05 18:49:20 -07:00

dm-switch.c

…

dm-sysfs.c

…

dm-table.c

- A major update for DM cache that reduces the latency for deciding

2017-05-03 10:31:20 -07:00

dm-target.c

libnvdimm for 4.12

2017-05-05 18:49:20 -07:00

dm-thin-metadata.c

dm block manager: remove an unused argument from dm_block_manager_create()

2017-04-27 17:08:41 -04:00

dm-thin-metadata.h

…

dm-thin.c

- A major update for DM cache that reduces the latency for deciding

2017-05-03 10:31:20 -07:00

dm-uevent.c

…

dm-uevent.h

…

dm-verity-fec.c

- A major update for DM cache that reduces the latency for deciding

2017-05-03 10:31:20 -07:00

dm-verity-fec.h

dm verity fec: limit error correction recursion

2017-03-16 09:37:31 -04:00

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

…

dm.c

libnvdimm for 4.12

2017-05-05 18:49:20 -07:00

dm.h

dm: introduce enum dm_queue_mode to cleanup related code

2017-04-27 17:08:44 -04:00

faulty.c

…

Kconfig

- DM cache metadata fixes to short-circuit operations that require the

2017-05-05 19:31:06 -07:00

linear.c

Merge branch 'md-next' into md-linus

2017-05-01 14:09:21 -07:00

linear.h

…

Makefile

- A major update for DM cache that reduces the latency for deciding

2017-05-03 10:31:20 -07:00

md-cluster.c

md-cluster: Fix a memleak in an error handling path

2017-04-14 08:08:29 -07:00

md-cluster.h

md-cluster: add the support for resize

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

md.c

md: handle read-only member devices better.

2017-04-20 13:25:51 -07:00

md.h

Merge branch 'md-next' into md-linus

2017-05-01 14:09:21 -07:00

multipath.c

md: support REQ_OP_WRITE_ZEROES

2017-04-08 11:25:38 -06:00

multipath.h

…

raid0.c

Merge branch 'md-next' into md-linus

2017-05-01 14:09:21 -07:00

raid0.h

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raid1.c

Merge branch 'md-next' into md-linus

2017-05-01 14:09:21 -07:00

raid1.h

md/raid1: Use a new variable to count flighting sync requests

2017-04-27 14:01:16 -07:00

raid5-cache.c

- A major update for DM cache that reduces the latency for deciding

2017-05-03 10:31:20 -07:00

raid5-log.h

raid5-ppl: use resize_stripes() when enabling or disabling ppl

2017-04-10 12:00:49 -07:00

raid5-ppl.c

raid5-ppl: use a single mempool for ppl_io_unit and header_page

2017-04-11 14:56:46 -07:00

raid5.c

Merge branch 'md-next' into md-linus

2017-05-01 14:09:21 -07:00

raid5.h

- A major update for DM cache that reduces the latency for deciding

2017-05-03 10:31:20 -07:00

raid10.c

Merge branch 'md-next' into md-linus

2017-05-01 14:09:21 -07:00

raid10.h

md/raid10: simplify the splitting of requests.

2017-04-11 10:13:02 -07:00