linux-kernel - Re: [PATCH v4 1/6] fs: introduce FMODE_ZONE_APPEND and IOCB_ZONE

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Date:   Tue, 28 Jul 2020 02:49:59 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Kanchan Joshi <joshi.k@...sung.com>, axboe@...nel.dk,
        viro@...iv.linux.org.uk, bcrl@...ck.org, Damien.LeMoal@....com,
        asml.silence@...il.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-aio@...ck.org,
        io-uring@...r.kernel.org, linux-block@...r.kernel.org,
        linux-api@...r.kernel.org, Selvakumar S <selvakuma.s1@...sung.com>,
        Nitesh Shetty <nj.shetty@...sung.com>,
        Javier Gonzalez <javier.gonz@...sung.com>
Subject: Re: [PATCH v4 1/6] fs: introduce FMODE_ZONE_APPEND and
 IOCB_ZONE_APPEND

On Sun, Jul 26, 2020 at 04:18:10PM +0100, Christoph Hellwig wrote:
> Zone append is a protocol context that ha not business showing up
> in a file system interface.  The right interface is a generic way
> to report the written offset for an append write for any kind of file.
> So we should pick a better name like FMODE_REPORT_APPEND_OFFSET
> (not that I particularly like that name, but it is the best I could
> quickly come up with).

Is it necessarily *append*?  There were a spate of papers about ten
years ago for APIs that were "write anywhere and I'll tell you where it
ended up".  So FMODE_ANONYMOUS_WRITE perhaps?