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>hifive-unleashed-5.1
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@ -73,3 +73,7 @@ use_per_node_hctx=[0/1]: Default: 0
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use_lightnvm=[0/1]: Default: 0
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use_lightnvm=[0/1]: Default: 0
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Register device with LightNVM. Requires blk-mq and CONFIG_NVM to be enabled.
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Register device with LightNVM. Requires blk-mq and CONFIG_NVM to be enabled.
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no_sched=[0/1]: Default: 0
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0: nullb* use default blk-mq io scheduler.
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1: nullb* doesn't use io scheduler.
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