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

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dm-crypt.txt

dm crypt: add 'submit_from_crypt_cpus' option

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

dm-flakey.txt

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dm-io.txt

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dm-log.txt

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dm-queue-length.txt

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dm-raid.txt

MD: Remember the last sync operation that was performed

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

dm-service-time.txt

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dm-uevent.txt

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era.txt

dm: add era target

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

kcopyd.txt

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linear.txt

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persistent-data.txt

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snapshot.txt

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statistics.txt

dm: add statistics support

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

striped.txt

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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

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zero.txt

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