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mq-deadline: add blk-mq adaptation of the deadline IO scheduler

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This is basically identical to deadline-iosched, except it registers
as a MQ capable scheduler. This is still a single queue design.

Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
This commit is contained in:
Jens Axboe
2017-01-14 17:11:11 -07:00
parent bd166ef183
commit 945ffb60c1
3 changed files with 560 additions and 0 deletions
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6
block/Kconfig.iosched
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@@ -32,6 +32,12 @@ config IOSCHED_CFQ
This is the default I/O scheduler.
config MQ_IOSCHED_DEADLINE
tristate "MQ deadline I/O scheduler"
default y
---help---
MQ version of the deadline IO scheduler.
config CFQ_GROUP_IOSCHED
bool "CFQ Group Scheduling support"
depends on IOSCHED_CFQ && BLK_CGROUP