netdev - Re: [PATCH 2/8] keep io_event in aio

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Message-ID: <20190311211731.GO2217@ZenIV.linux.org.uk>
Date:   Mon, 11 Mar 2019 21:17:31 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Christoph Hellwig <hch@....de>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Eric Dumazet <eric.dumazet@...il.com>,
        David Miller <davem@...emloft.net>,
        Jason Baron <jbaron@...mai.com>, kgraul@...ux.ibm.com,
        ktkhai@...tuozzo.com, kyeongdon.kim@....com,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>, pabeni@...hat.com,
        syzkaller-bugs@...glegroups.com, xiyou.wangcong@...il.com,
        zhengbin <zhengbin13@...wei.com>, bcrl@...ck.org,
        linux-fsdevel@...r.kernel.org, linux-aio@...ck.org,
        houtao1@...wei.com, yi.zhang@...wei.com
Subject: Re: [PATCH 2/8] keep io_event in aio_kiocb

On Mon, Mar 11, 2019 at 08:43:06PM +0100, Christoph Hellwig wrote:
> On Sun, Mar 10, 2019 at 07:08:16AM +0000, Al Viro wrote:
> > From: Al Viro <viro@...iv.linux.org.uk>
> > 
> > Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
> 
> This could use a little changelog at least that explains the why.
> 
> It also removes lookup_kiocb and folds that into the only caller,
> which is at least worth mentioning (and probably should be a separate
> patch).

More confusingly, it contains a pointless rudiment in aio_poll_wake();
that chunk doesn't solve the problems with ->woken, and the whole
thing gets killed off shortly...