From mboxrd@z Thu Jan  1 00:00:00 1970
From: Goffredo Baroncelli <kreijack@libero.it>
Subject: Re: Can you please define "snapshot" and "subvolume"?
Date: Thu, 7 Oct 2010 23:13:18 +0200
Message-ID: <201010072313.18647.kreijack@libero.it>
References: <AANLkTimBsVGS=eJvpdf2Sq_Dg76zQRgy=E+3089zQ9D4@mail.gmail.com> <20101007131823.GB1536@glandium.org> <AANLkTinG8EN8x0=GxXq2x4W1uy6cZS078QQ5zDPFeDW2@mail.gmail.com>
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On Thursday, 07 October, 2010, David Nicol wrote:
> On Thu, Oct 7, 2010 at 8:18 AM, Mike Hommey <mh@glandium.org> wrote:
> > BTW, it would be very useful to be able to turn existing directories
> > into subvolumes.
> 
> does a (link,unlink) move work across subvolumes?

The link across subvolumes is not allowable.  In the beginning it was 
possible, but that was source of bugs. See the thread "Hard link across 
subvolumes"

http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg03286.html


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