Commit fc186311 authored Oct 14, 2017 by weiping zhang Committed by Jens Axboe Oct 13, 2017

null_blk: add usage hints for no_sched



This parameter provide an option to disable io scheduler when nullb*
in multi-queue mode.

Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 23c4490d

Documentation/block/null_blk.txt

+4 −0

Original line number	Diff line number	Diff line
		@@ -73,3 +73,7 @@ use_per_node_hctx=[0/1]: Default: 0

		use_lightnvm=[0/1]: Default: 0
		Register device with LightNVM. Requires blk-mq and CONFIG_NVM to be enabled.

		no_sched=[0/1]: Default: 0
		0: nullb* use default blk-mq io scheduler.
		1: nullb* doesn't use io scheduler.