d34849913819a5e0cbfbe724dbe79df89278c524 - arm/linux

commit	d34849913819a5e0cbfbe724dbe79df89278c524	[log] [tgz]
author	Jens Axboe <axboe@fb.com>	Fri Jan 13 14:43:58 2017 -0700
committer	Jens Axboe <axboe@fb.com>	Tue Jan 17 10:04:31 2017 -0700
tree	71b427fa3b22b30dc2038448ec06936018adaee4
parent	945ffb60c11dfb228130f3f2bdde961cecb76671 [diff]

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>

block/Kconfig.iosched[diff]
block/blk-mq-sched.c[diff]
block/blk-mq-sched.h[diff]
block/blk-mq.c[diff]
block/elevator.c[diff]
drivers/nvme/host/pci.c[diff]
include/linux/blk-mq.h[diff]

7 files changed

tree: 71b427fa3b22b30dc2038448ec06936018adaee4