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Date: Thu, 9 Jul 2015 14:58:17 +0200
From: Sander <sander@humilis.net>
To: Austin S Hemmelgarn <ahferroin7@gmail.com>
Cc: sander@humilis.net, "Fajar A. Nugraha" <list@fajar.net>,
        james harvey <jamespharvey20@gmail.com>,
        linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: btrfs subvolume clone or fork (btrfs-progs feature request)
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Austin S Hemmelgarn wrote (ao):
> On 2015-07-09 08:41, Sander wrote:
> >Austin S Hemmelgarn wrote (ao):
> >>>What's wrong with "btrfs subvolume snapshot"?
> >>
> >>Well, personally I would say the fact that once something is tagged as
> >>a snapshot, you can't change it to a regular subvolume without doing a
> >>non-incremental send/receive.
> >
> >A snapshot is a subvolume. There is no such thing as "tagged as a
> >snapshot".
> >
> >	Sander
> >
> No, there is a bit in the subvolume metadata that says whether it's
> considered a snapshot or not.  Internally, they are handled identically, but
> it does come into play when you consider things like btrfs subvolume show -s
> (which only lists snapshots), which in turn means that certain tasks are
> more difficult to script robustly.

I stand corrected. Thanks for the info.

	Sander