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

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Message-ID: <7f9cb19b-621b-75ea-7273-2d2769237851@opensource.wdc.com>
Date:   Thu, 19 May 2022 12:08:26 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Theodore Ts'o <tytso@....edu>, Christoph Hellwig <hch@....de>
Cc:     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 5/18/22 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.

-- 
Damien Le Moal
Western Digital Research