linux-kernel - Re: [dm-devel] [PATCH v12 08/13] dm-zoned: ensure only power of 2 zone sizes are allowed

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Message-ID: <1dcffde8-ded6-b665-58a4-0f9f091b2a8e@acm.org>
Date:   Thu, 25 Aug 2022 14:50:45 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Pankaj Raghav <p.raghav@...sung.com>, agk@...hat.com,
        snitzer@...nel.org, axboe@...nel.dk,
        damien.lemoal@...nsource.wdc.com, hch@....de
Cc:     pankydev8@...il.com, Johannes.Thumshirn@....com,
        linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-block@...r.kernel.org, dm-devel@...hat.com,
        gost.dev@...sung.com, jaegeuk@...nel.org, matias.bjorling@....com,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: Re: [dm-devel] [PATCH v12 08/13] dm-zoned: ensure only power of 2
 zone sizes are allowed

On 8/23/22 05:18, Pankaj Raghav wrote:
> From: Luis Chamberlain <mcgrof@...nel.org>
> 
> dm-zoned relies on the assumption that the zone size is a
> power-of-2(po2) and the zone capacity is same as the zone size.
> 
> Ensure only po2 devices can be used as dm-zoned target until a native
> support for zoned devices with non-po2 zone size is added.

Reviewed-by: Bart Van Assche <bvanassche@....org>