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From: Miklos Szeredi <miklos@szeredi.hu>
To: fuse-devel <fuse-devel@lists.sourceforge.net>,
	Miklos Szeredi <mszeredi@redhat.com>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [fuse-devel] [fuse] How to trigger writeback?
Date: Tue, 25 Sep 2018 10:48:37 +0200	[thread overview]
Message-ID: <CAJfpegvAhW4UUhD+SziLHsagPY=BLyZU0MKOov8z18woywyxDw@mail.gmail.com> (raw)
In-Reply-To: <8736tyrncj.fsf@thinkpad.rath.org>

On Tue, Sep 25, 2018 at 10:30 AM, Nikolaus Rath <Nikolaus@rath.org> wrote:
> On Sep 24 2018, Miklos Szeredi <miklos@szeredi.hu> wrote:
>> On Mon, Sep 24, 2018 at 10:02 AM, Nikolaus Rath <Nikolaus@rath.org> wrote:
>>> Hi,
>>>
>>> How do I trigger writeback from a (writeback-cache enabled) FUSE
>>> filesystem?
>>
>> No way, currently (well, triggering fsync(2)/fdatasync(2) on the
>> filesystem would work, but such recursion is considered highly
>> hackish).
>
>
> You mean sync(2)/syncfs(2), not fsync(), right? Unless my manpages are
> out of date, fsync() only works on a specific inode.

I would've thought you only need writeback of a specific inode for reflink, no?

Thanks,
Miklos

  reply	other threads:[~2018-09-25 14:55 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-24  8:02 Nikolaus Rath
2018-09-24  8:15 ` Miklos Szeredi
2018-09-25  8:30   ` [fuse-devel] " Nikolaus Rath
2018-09-25  8:48     ` Miklos Szeredi [this message]
2018-09-27  8:28       ` Nikolaus Rath

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