linux-btrfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andreas Philipp <philipp.andreas@gmail.com>
To: Hugo Mills <hugo@carfax.org.uk>, Yi Yang <yi.y.yang@intel.com>,
	linux-btrfs@vger.kernel.org
Subject: Re: How to get the default subvolume?
Date: Fri, 08 Jul 2011 12:01:38 +0200	[thread overview]
Message-ID: <4E16D582.6050808@gmail.com> (raw)
In-Reply-To: <20110708095802.GA19280@carfax.org.uk>


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
 
On 08.07.2011 11:58, Hugo Mills wrote:
> On Fri, Jul 08, 2011 at 05:58:02PM +0800, Yi Yang wrote:
>> I know I can set the default subvolume for a btrfs fs using
>>
>> sudo btrfs subvolume set-default 256 /btrfs/mnt
>>
>> But after that, how can get the default subvolume name? In my opinion,
>> btrfs-progs should provide "btrfs subvolume get-default /btrfs/mnm" to
get
>> the default subvolume id and name, I think it is very easy to do this in
>> btrfs-progs and btrfs kernel space.
>
> I don't think the current btrfs-progs will do it. As you pointed
> out though, it's pretty easy to write the code to get the information
> (I implemented it for btrfs-gui without any additional kernel code,
> for example). We just need someone to implement it. :)
>
> I'd do it myself, but there's about a dozen things higher up my
> priority list right now.
>
Well, I'd be happy to try it. If it's fine, I will try to follow the
implementation from btrfs-gui.
 
Andreas
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
 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=vM5/
-----END PGP SIGNATURE-----


  reply	other threads:[~2011-07-08 10:01 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-08  9:58 How to get the default subvolume? Yi Yang
2011-07-08  9:58 ` Hugo Mills
2011-07-08 10:01   ` Andreas Philipp [this message]
2011-07-08 10:06   ` Yang, Yi Y
2011-07-08 10:13     ` Hugo Mills
2011-07-08 10:28       ` Yang, Yi Y
2011-07-08 11:01         ` Hugo Mills

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4E16D582.6050808@gmail.com \
    --to=philipp.andreas@gmail.com \
    --cc=hugo@carfax.org.uk \
    --cc=linux-btrfs@vger.kernel.org \
    --cc=yi.y.yang@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).