linux-kernel - Re: [GIT PULL] aio poll fixes for 5.16-rc5

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Date:   Mon, 13 Dec 2021 08:23:05 +0100
From:   Christoph Hellwig <hch@....de>
To:     "Theodore Y. Ts'o" <tytso@....edu>
Cc:     Eric Biggers <ebiggers@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Benjamin LaHaise <bcrl@...ck.org>, linux-aio@...ck.org,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Ramji Jiyani <ramjiyani@...gle.com>,
        Christoph Hellwig <hch@....de>,
        Oleg Nesterov <oleg@...hat.com>, Jens Axboe <axboe@...nel.dk>,
        Martijn Coenen <maco@...roid.com>,
        Xie Yongji <xieyongji@...edance.com>
Subject: Re: [GIT PULL] aio poll fixes for 5.16-rc5

On Fri, Dec 10, 2021 at 07:45:39PM -0500, Theodore Y. Ts'o wrote:
> distributions are compiling them with AIO enabled, since you can get
> better performance with AIO.  Fio also uses AIO, and many fio recipes
> that are trying to benchmark file systems or block devices use
> AIO/DIO.

As does qemu and many commercial databases.