linux-kernel - Re: [PATCH v3 4/4] io_uring: add support for zone-append

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Date:   Wed, 8 Jul 2020 10:38:44 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Matthew Wilcox <willy@...radead.org>,
        Javier González <javier@...igon.com>
Cc:     Kanchan Joshi <joshi.k@...sung.com>, viro@...iv.linux.org.uk,
        bcrl@...ck.org, hch@...radead.org, damien.lemoal@....com,
        asml.silence@...il.com, linux-fsdevel@...r.kernel.org,
        mb@...htnvm.io, linux-kernel@...r.kernel.org, linux-aio@...ck.org,
        io-uring@...r.kernel.org, linux-block@...r.kernel.org,
        Selvakumar S <selvakuma.s1@...sung.com>,
        Nitesh Shetty <nj.shetty@...sung.com>,
        Javier Gonzalez <javier.gonz@...sung.com>
Subject: Re: [PATCH v3 4/4] io_uring: add support for zone-append

On 7/8/20 10:33 AM, Matthew Wilcox wrote:
> On Wed, Jul 08, 2020 at 06:08:12PM +0200, Javier González wrote:
>>> I just wanted to get clarification there, because to me it sounded like
>>> you expected Kanchan to do it, and Kanchan assuming it "was sorted". I'd
>>> consider that a prerequisite for the append series as far as io_uring is
>>> concerned, hence _someone_ needs to actually do it ;-)
> 
> I don't know that it's a prerequisite in terms of the patches actually
> depend on it.  I appreciate you want it first to ensure that we don't bloat
> the kiocb.

Maybe not for the series, but for the io_uring addition it is.

>> I believe Kanchan meant that now the trade-off we were asking to
>> clear out is sorted. 
>>
>> We will send a new version shortly for the current functionality - we
>> can see what we are missing on when the uring interface is clear. 
> 
> I've started work on a patch series for this.  Mostly just waiting for
> compilation now ... should be done in the next few hours.

Great!

-- 
Jens Axboe