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Date:   Mon, 13 Dec 2021 08:23:05 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     "Theodore Y. Ts'o" <tytso@mit.edu>
Cc:     Eric Biggers <ebiggers@kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Benjamin LaHaise <bcrl@kvack.org>, linux-aio@kvack.org,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Ramji Jiyani <ramjiyani@google.com>,
        Christoph Hellwig <hch@lst.de>,
        Oleg Nesterov <oleg@redhat.com>, Jens Axboe <axboe@kernel.dk>,
        Martijn Coenen <maco@android.com>,
        Xie Yongji <xieyongji@bytedance.com>
Subject: Re: [GIT PULL] aio poll fixes for 5.16-rc5
Message-ID: <20211213072305.GA20423@lst.de>
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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.