linux-kernel - Re: [PATCH 7/7] blk-mq-sched: allow setting of default IO scheduler

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Message-ID: <3e4483e3-6018-5c6c-9fe2-128ed68c01f4@sandisk.com>
Date:   Tue, 13 Dec 2016 11:13:48 +0100
From:   Bart Van Assche <bart.vanassche@...disk.com>
To:     Jens Axboe <axboe@...com>, <axboe@...nel.dk>,
        <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <paolo.valente@...aro.org>, <osandov@...com>
Subject: Re: [PATCH 7/7] blk-mq-sched: allow setting of default IO scheduler

On 12/08/2016 09:13 PM, Jens Axboe wrote:
> +config DEFAULT_MQ_IOSCHED
> +	string
> +	default "mq-deadline" if DEFAULT_MQ_DEADLINE
> +	default "none" if DEFAULT_MQ_NONE
> +
>  endmenu
>
> +config MQ_IOSCHED_ONLY_SQ
> +	bool "Enable blk-mq IO scheduler only for single queue devices"
> +	default y
> +	help
> +	  Say Y here, if you only want to enable IO scheduling on block
> +	  devices that have a single queue registered.
> +
>  endif

Hello Jens,

Shouln't the MQ_IOSCHED_ONLY_SQ entry be placed before "endmenu" such 
that it is displayed in the I/O scheduler menu instead of the block menu?

Bart.