From: Chris Ball <cjb@laptop.org>
To: Josef Bacik <josef@redhat.com>
Cc: linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
chris.mason@oracle.com, hch@lst.de, ssorce@redhat.com
Subject: Re: What to do about subvolumes?
Date: Thu, 02 Dec 2010 23:25:01 -0500 [thread overview]
Message-ID: <m339qfo542.fsf@pullcord.laptop.org> (raw)
In-Reply-To: <20101201142136.GD427@dhcp231-156.rdu.redhat.com> (Josef Bacik's message of "Wed, 1 Dec 2010 09:21:36 -0500")
Hi Josef,
> 1) Scrap the 256 inode number thing. Instead we'll just put a
> flag in the inode to say "Hey, I'm a subvolume" and then we can
> do all of the appropriate magic that way. This unfortunately
> will be an incompatible format change, but the sooner we get this
> adressed the easier it will be in the long run. Obviously when I
> say format change I mean via the incompat bits we have, so old
> fs's won't be broken and such.
Sorry if I've missed this elsewhere in the thread -- will we still
have an efficient operation for enumerating subvolumes and snapshots,
and how will that work? We're going to want tools like plymouth and
grub to be able to list all snapshots without running a large scan.
Thanks,
- Chris.
--
Chris Ball <cjb@laptop.org>
One Laptop Per Child
next prev parent reply other threads:[~2010-12-03 4:25 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-01 14:21 What to do about subvolumes? Josef Bacik
2010-12-01 14:50 ` Mike Hommey
2010-12-01 14:51 ` C Anthony Risinger
2010-12-01 14:51 ` C Anthony Risinger
2010-12-01 16:01 ` Chris Mason
2010-12-01 16:01 ` Chris Mason
2010-12-01 16:03 ` C Anthony Risinger
2010-12-01 16:03 ` C Anthony Risinger
2010-12-01 16:13 ` Chris Mason
2010-12-01 16:13 ` Chris Mason
2010-12-01 16:31 ` Mike Hommey
2010-12-01 16:31 ` Mike Hommey
2010-12-09 19:53 ` Martin Steigerwald
2010-12-01 16:00 ` Chris Mason
2010-12-01 16:38 ` Hugo Mills
2010-12-01 16:48 ` Gordan Bobic
2010-12-01 16:52 ` Mike Hommey
2010-12-01 16:52 ` C Anthony Risinger
2010-12-01 16:52 ` C Anthony Risinger
2010-12-01 17:38 ` Josef Bacik
2010-12-01 19:35 ` Hugo Mills
2010-12-01 20:24 ` Freddie Cash
2010-12-01 20:24 ` Freddie Cash
2010-12-01 21:28 ` Hugo Mills
2010-12-01 23:32 ` Freddie Cash
2010-12-01 23:32 ` Freddie Cash
2010-12-02 4:46 ` Mike Fedyk
2010-12-02 4:46 ` Mike Fedyk
2010-12-01 18:33 ` Goffredo Baroncelli
2010-12-01 18:36 ` Josef Bacik
2010-12-01 18:48 ` C Anthony Risinger
2010-12-01 18:48 ` C Anthony Risinger
2010-12-01 18:52 ` C Anthony Risinger
2010-12-01 18:52 ` C Anthony Risinger
2010-12-01 19:08 ` Goffredo Baroncelli
2010-12-01 19:44 ` J. Bruce Fields
2010-12-01 19:54 ` Josef Bacik
2010-12-01 20:00 ` J. Bruce Fields
2010-12-01 20:09 ` Josef Bacik
2010-12-01 20:16 ` J. Bruce Fields
2010-12-02 1:52 ` Michael Vrable
2010-12-03 20:53 ` J. Bruce Fields
2010-12-01 20:03 ` Jeff Layton
2010-12-01 20:46 ` Goffredo Baroncelli
2010-12-01 21:06 ` Jeff Layton
2010-12-02 9:26 ` Arne Jansen
2010-12-02 9:49 ` Arne Jansen
2010-12-02 16:11 ` Chris Mason
2010-12-02 17:14 ` David Pottage
[not found] ` <AANLkTinBzpoCnci+1a=0pjXbAdQ7mzpdr2k8GOo7HUc8@mail.gmail.com>
2010-12-03 13:47 ` Fwd: " Paweł Brodacki
2010-12-03 20:56 ` J. Bruce Fields
2010-12-03 2:43 ` Phillip Susi
2011-01-31 2:40 ` Ian Kent
2010-12-03 4:25 ` Chris Ball [this message]
2010-12-03 14:00 ` Josef Bacik
2010-12-03 21:45 ` Josef Bacik
2010-12-03 22:16 ` J. Bruce Fields
2010-12-03 22:27 ` Dave Chinner
2010-12-03 22:29 ` Chris Mason
2010-12-03 22:45 ` J. Bruce Fields
2010-12-03 23:01 ` Andreas Dilger
2010-12-06 16:48 ` J. Bruce Fields
2010-12-08 6:39 ` Andreas Dilger
2010-12-08 23:07 ` Neil Brown
2010-12-09 4:41 ` Andreas Dilger
2010-12-09 15:19 ` J. Bruce Fields
2010-12-07 16:52 ` hch
2010-12-07 20:45 ` J. Bruce Fields
2010-12-07 16:51 ` Christoph Hellwig
2010-12-07 17:02 ` Trond Myklebust
2010-12-08 17:16 ` Andreas Dilger
2010-12-08 17:27 ` J. Bruce Fields
2010-12-08 21:18 ` Andreas Dilger
2010-12-04 21:58 ` Mike Fedyk
2010-12-04 21:58 ` Mike Fedyk
2010-12-06 14:27 ` Josef Bacik
2010-12-06 14:27 ` Josef Bacik
2011-01-31 2:56 ` Ian Kent
2010-12-07 16:48 ` Christoph Hellwig
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