linux-kernel - Re: [PATCH v6 8/8] dm: ensure only power of 2 zone sizes are allowed

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Date:   Mon, 30 May 2022 16:59:52 +0200
From:   Pankaj Raghav <p.raghav@...sung.com>
To:     Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        <axboe@...nel.dk>, <snitzer@...hat.com>,
        <Johannes.Thumshirn@....com>, <hch@....de>, <hare@...e.de>
CC:     <dsterba@...e.com>, <dm-devel@...hat.com>,
        <jiangbo.365@...edance.com>, <linux-block@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-nvme@...ts.infradead.org>,
        <jaegeuk@...nel.org>, <gost.dev@...sung.com>
Subject: Re: [PATCH v6 8/8] dm: ensure only power of 2 zone sizes are
 allowed

On 5/26/22 10:25, Damien Le Moal wrote:
>> This series is targeting the first phase where we have stop gap patches
>> and add support to the block and nvme layer and in the next phase we
>> will add a dm linear like target for npo2 zone sizes which can be used
>> by all the filesystems. This patch makes sure that we can't use npo2
>> zoned devices without the proper support that will be added in the next
>> phase in the DM.
> 
> Personally, I do not want to see a kernel version where zone support is broken
> for some devices. So I definitely prefer everything in one go or nothing.
> 
Ok. I will make sure the DM target is a part of the next series along
with the zonefs patch.

Meanwhile, could you review the patches for the block, nvme and null blk
that is already a part of this series? I have made the changes in those
patches as you requested in previous revisions.

Thanks,
Pankaj