linux-kernel - Re: [PATCH V6 6/8] block, bfq: retrieve independent access ranges from request queue

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Message-Id: <41604669-2D56-4524-8FA1-527FEAD06B29@linaro.org>
Date:   Thu, 8 Dec 2022 11:43:34 +0100
From:   Paolo Valente <paolo.valente@...aro.org>
To:     Damien Le Moal <damien.lemoal@...nsource.wdc.com>
Cc:     Jens Axboe <axboe@...nel.dk>,
        linux-block <linux-block@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Arie van der Hoeven <arie.vanderhoeven@...gate.com>,
        Rory Chen <rory.c.chen@...gate.com>,
        Federico Gavioli <f.gavioli97@...il.com>
Subject: Re: [PATCH V6 6/8] block, bfq: retrieve independent access ranges
 from request queue



> Il giorno 7 dic 2022, alle ore 00:34, Damien Le Moal <damien.lemoal@...nsource.wdc.com> ha scritto:
> 
> 

[...]

>> Just, let me avoid setting the fields bfqd->sector and
>> bfqd->nr_sectors for a case where we don't use them.
> 
> Sure. But if you do not use them thanks to "if (num_actuators == 1)"
> optimizations, it would still not hurt to set these fields. That actually
> could be helpful for debugging.
> 

Got it. I'm about to send a V9 that applies this last suggestion of yours.

Thanks,
Paolo