linux-kernel - Re: [PATCH RFC 06/16] block: Limit atomic writes according to bio and queue limits

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Date:   Wed, 3 May 2023 12:53:43 -0600
From:   Keith Busch <kbusch@...nel.org>
To:     John Garry <john.g.garry@...cle.com>
Cc:     axboe@...nel.dk, hch@....de, sagi@...mberg.me,
        martin.petersen@...cle.com, djwong@...nel.org,
        viro@...iv.linux.org.uk, brauner@...nel.org, dchinner@...hat.com,
        jejb@...ux.ibm.com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-scsi@...r.kernel.org, linux-xfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        linux-security-module@...r.kernel.org, paul@...l-moore.com,
        jmorris@...ei.org, serge@...lyn.com
Subject: Re: [PATCH RFC 06/16] block: Limit atomic writes according to bio
 and queue limits

On Wed, May 03, 2023 at 06:38:11PM +0000, John Garry wrote:
> +	unsigned int size = (atomic_write_max_segments - 1) *
> +				(PAGE_SIZE / SECTOR_SIZE);

Maybe use PAGE_SECTORS instead of recalculating it.