linux-kernel - Re: [dm-devel] [PATCH v4 00/13] support non power of 2 zoned devices

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Message-ID: <69f06f90-d31b-620b-9009-188d1d641562@opensource.wdc.com>
Date:   Thu, 19 May 2022 12:19:18 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     Theodore Ts'o <tytso@....edu>, Christoph Hellwig <hch@....de>,
        Pankaj Raghav <p.raghav@...sung.com>, axboe@...nel.dk,
        pankydev8@...il.com, gost.dev@...sung.com,
        jiangbo.365@...edance.com, linux-nvme@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, dm-devel@...hat.com,
        dsterba@...e.com, linux-btrfs@...r.kernel.org
Subject: Re: [dm-devel] [PATCH v4 00/13] support non power of 2 zoned devices

On 5/19/22 12:12, Luis Chamberlain wrote:
> On Thu, May 19, 2022 at 12:08:26PM +0900, Damien Le Moal wrote:
>> On 5/18/22 00:34, Theodore Ts'o wrote:
>>> On Tue, May 17, 2022 at 10:10:48AM +0200, Christoph Hellwig wrote:
>>>> I'm a little surprised about all this activity.
>>>>
>>>> I though the conclusion at LSF/MM was that for Linux itself there
>>>> is very little benefit in supporting this scheme.  It will massively
>>>> fragment the supported based of devices and applications, while only
>>>> having the benefit of supporting some Samsung legacy devices.
>>>
>>> FWIW,
>>>
>>> That wasn't my impression from that LSF/MM session, but once the
>>> videos become available, folks can decide for themselves.
>>
>> There was no real discussion about zone size constraint on the zone
>> storage BoF. Many discussions happened in the hallway track though.
> 
> Right so no direct clear blockers mentioned at all during the BoF.

Nor any clear OK.

> 
>   Luis


-- 
Damien Le Moal
Western Digital Research