linux-kernel - Re: [PATCH 17/21] fs: xfs: iomap atomic write support

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Date:   Mon, 4 Dec 2023 18:06:06 +0000
From:   John Garry <john.g.garry@...cle.com>
To:     Christoph Hellwig <hch@....de>
Cc:     axboe@...nel.dk, kbusch@...nel.org, sagi@...mberg.me,
        jejb@...ux.ibm.com, martin.petersen@...cle.com, djwong@...nel.org,
        viro@...iv.linux.org.uk, brauner@...nel.org,
        chandan.babu@...cle.com, dchinner@...hat.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-nvme@...ts.infradead.org, linux-xfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, tytso@....edu, jbongio@...gle.com,
        linux-api@...r.kernel.org
Subject: Re: [PATCH 17/21] fs: xfs: iomap atomic write support

On 04/12/2023 15:39, Christoph Hellwig wrote:
>> So what would you propose as the next step? Would it to be first achieve
>> atomic write support for XFS with HW support + CoW to ensure contiguous
>> extents (and without XFS forcealign)?
> I think the very first priority is just block device support without
> any fs enablement.  We just need to make sure the API isn't too limited
> for additional use cases.

Sounds ok