tree 5d41178b453ba59938cff25a4abf0f1dec4dfb47
parent 1eb93b4d1f2a770b8f0a924c2ff67b0eb14f7a3e
author Jens Axboe <axboe@fb.com> 1483992139 -0700
committer Jens Axboe <axboe@fb.com> 1484083685 -0700

blk-mq-sched: allow setting of default IO scheduler

Add Kconfig entries to manage what devices get assigned an MQ
scheduler, and add a blk-mq flag for drivers to opt out of scheduling.
The latter is useful for admin type queues that still allocate a blk-mq
queue and tag set, but aren't use for normal IO.

Signed-off-by: Jens Axboe <axboe@fb.com>