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> Reviewed-by:
Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by:
Omar Sandoval <osandov@fb.com>
parent
945ffb60
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