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

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To: John Garry <john.g.garry@xxxxxxxxxx>
Subject: Re: [PATCH RFC 06/16] block: Limit atomic writes according to bio and queue limits
From: Keith Busch <kbusch@xxxxxxxxxx>
Date: Wed, 3 May 2023 12:53:43 -0600
Cc: axboe@xxxxxxxxx, hch@xxxxxx, sagi@xxxxxxxxxxx, martin.petersen@xxxxxxxxxx, djwong@xxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, brauner@xxxxxxxxxx, dchinner@xxxxxxxxxx, jejb@xxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx, paul@xxxxxxxxxxxxxx, jmorris@xxxxxxxxx, serge@xxxxxxxxxx
In-reply-to: <20230503183821.1473305-7-john.g.garry@oracle.com>

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.

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References:
- [PATCH RFC 00/16] block atomic writes
  - From: John Garry
- [PATCH RFC 06/16] block: Limit atomic writes according to bio and queue limits
  - From: John Garry

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