Mikulas Patocka 0f5d8e6ee7 dm crypt: add 'submit_from_crypt_cpus' option ...

Make it possible to disable offloading writes by setting the optional
'submit_from_crypt_cpus' table argument.

There are some situations where offloading write bios from the
encryption threads to a single thread degrades performance
significantly.

The default is to offload write bios to the same thread because it
benefits CFQ to have writes submitted using the same IO context.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

2015-02-16 11:11:15 -05:00

..

cache-policies.txt

dm cache policy mq: simplify ability to promote sequential IO to the cache

2014-11-10 15:25:30 -05:00

cache.txt

dm thin: ensure user takes action to validate data and metadata consistency

2014-03-05 15:25:35 -05:00

delay.txt

dm: delay target

2007-05-09 12:30:47 -07:00

dm-crypt.txt

dm crypt: add 'submit_from_crypt_cpus' option

2015-02-16 11:11:15 -05:00

dm-flakey.txt

dm flakey: add corrupt_bio_byte feature

2011-08-02 12:32:06 +01:00

dm-io.txt

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

dm-log.txt

dm log userspace: fix comment hyphens

2011-10-31 20:21:22 +00:00

dm-queue-length.txt

dm mpath: add queue length load balancer

2009-06-22 10:12:27 +01:00

dm-raid.txt

MD: Remember the last sync operation that was performed

2013-06-26 12:38:24 +10:00

dm-service-time.txt

Fix common misspellings

2011-03-31 11:26:23 -03:00

dm-uevent.txt

dm: uevent generate events

2007-10-20 02:01:26 +01:00

era.txt

dm: add era target

2014-03-27 16:56:23 -04:00

kcopyd.txt

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

linear.txt

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

persistent-data.txt

Documentation: Fix multiple typo in Documentation

2012-03-07 16:08:24 +01:00

snapshot.txt

dm: document when snapshot has finished merging

2010-03-06 02:29:56 +00:00

statistics.txt

dm: add statistics support

2013-09-05 20:46:06 -04:00

striped.txt

dm stripe: support for non power of 2 chunksize

2012-07-27 15:08:01 +01:00

switch.txt

dm switch: efficiently support repetitive patterns

2014-08-01 12:30:37 -04:00

thin-provisioning.txt

dm thin: add 'no_space_timeout' dm-thin-pool module param

2014-05-20 14:30:36 -04:00

verity.txt

dm: verity fix documentation

2012-07-03 12:55:41 +01:00

zero.txt

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00