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From: Joseph Dunn <jdunn14@gmail.com>
To: linux-btrfs@vger.kernel.org
Subject: btrfs seed question
Date: Wed, 11 Oct 2017 20:47:59 -0400	[thread overview]
Message-ID: <20171011204759.1848abd7@olive.ig.local> (raw)

After seeing how btrfs seeds work I wondered if it was possible to push
specific files from the seed to the rw device.  I know that removing
the seed device will flush all the contents over to the rw device, but
what about flushing individual files on demand?

I found that opening a file, reading the contents, seeking back to 0,
and writing out the contents does what I want, but I was hoping for a
bit less of a hack.

Is there maybe an ioctl or something else that might trigger a similar
action?

Thanks,
-Joseph

             reply	other threads:[~2017-10-12  0:48 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-12  0:47 Joseph Dunn [this message]
2017-10-12  4:18 ` btrfs seed question Anand Jain
2017-10-12 13:20   ` Joseph Dunn
2017-10-12 14:32     ` Chris Murphy
2017-10-12 14:44       ` Joseph Dunn
2017-10-12 15:30         ` Chris Murphy
2017-10-12 15:50           ` Joseph Dunn
2017-11-03  8:03             ` Kai Krakow
2017-10-12 15:55           ` Austin S. Hemmelgarn
2017-10-13  2:52         ` Anand Jain
2017-11-03  7:56     ` Kai Krakow

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