From: "Darrick J. Wong" <djwong@kernel.org>
To: Neutron Sharc <neutronsharc@gmail.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: Fwd: does xfs support aio_fsync?
Date: Fri, 28 Oct 2022 15:58:04 -0700 [thread overview]
Message-ID: <Y1xefLbvx96dNUqq@magnolia> (raw)
In-Reply-To: <CAB-bdyTJjM7ju-ku6w1Tib06r70FbZ8r0y8mfBaKu4XQDuMeUw@mail.gmail.com>
On Fri, Oct 28, 2022 at 03:11:15PM -0700, Neutron Sharc wrote:
> Hello all,
> I have a workload that benefits the most if I can issue async fsync
> after many async writes are completed. I was under the impression that
> xfs/ext4 both support async fsync so I can use libaio to submit fsync.
> When I tested with io_submit(fsync), it always returned EINVAL. So I
> browsed the linux source (both kernel 3.10, 4.14) and I found
> xfs/xfs_file.c doesn't implement "aio_fsync", nor does ext4/file.c.
>
> I found an old post which said aio_fsync was already included in xfs
> (https://www.spinics.net/lists/xfs/msg28408.html)
>
> What xfs or kernel version should I use to get aio_fsync working? Thanks all.
$ git blame -L 1606,+2 fs/aio.c
a3c0d439e4d92 (Christoph Hellwig 2018-03-27 19:18:57 +0200 1606) static void aio_fsync_work(struct work_struct *work)
a3c0d439e4d92 (Christoph Hellwig 2018-03-27 19:18:57 +0200 1607) {
...some time around the 4.19 LTS?
--D
>
>
> Shawn
next prev parent reply other threads:[~2022-10-28 22:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAB-bdyRWCJLDde4izM_H-Bh9wPg-Enas+D4VvTROWEpVy0ZgZg@mail.gmail.com>
2022-10-28 22:11 ` Fwd: does xfs support aio_fsync? Neutron Sharc
2022-10-28 22:58 ` Darrick J. Wong [this message]
2022-10-29 21:01 ` Dave Chinner
2022-10-30 16:44 ` Shawn
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