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From: Nikolaus Rath <Nikolaus@rath.org>
To: linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        fuse-devel <fuse-devel@lists.sourceforge.net>,
        Maxim Patlasov <mpatlasov@parallels.com>,
        Miklos Szeredi <mszeredi@redhat.com>
Subject: [fuse] How to trigger writeback?
Date: Mon, 24 Sep 2018 09:02:20 +0100
Message-ID: <87zhw7s4qb.fsf@thinkpad.rath.org>
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Hi,

How do I trigger writeback from a (writeback-cache enabled) FUSE
filesystem?

Background: I am emulating the reflink ioctl with a magic xattr, but for
that to work the filesystem needs to have all the data that is supposed
to be in the copied file.


Best,
Nikolaus

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