From: hch <hch@lst.de>
To: "J. Bruce Fields" <bfields@redhat.com>
Cc: Chris Mason <chris.mason@oracle.com>,
Dave Chinner <david@fromorbit.com>,
Josef Bacik <josef@redhat.com>,
linux-btrfs <linux-btrfs@vger.kernel.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>, hch <hch@lst.de>,
ssorce <ssorce@redhat.com>
Subject: Re: What to do about subvolumes?
Date: Tue, 7 Dec 2010 17:52:13 +0100 [thread overview]
Message-ID: <20101207165212.GC21375@lst.de> (raw)
In-Reply-To: <20101203224525.GC12491@pad.home.fieldses.org>
On Fri, Dec 03, 2010 at 05:45:26PM -0500, J. Bruce Fields wrote:
> We're using statfs64.fs_fsid for this; I believe that's both stable
> across reboots and distinguishes between subvolumes, so that's OK.
It's a field that doesn't have any useful specification and basically
contains random garbage that a filesystem put into it. Using it is a
very bad idea.
next prev parent reply other threads:[~2010-12-07 16:52 UTC|newest]
Thread overview: 65+ 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 16:01 ` Chris Mason
2010-12-01 16:03 ` C Anthony Risinger
2010-12-01 16:13 ` Chris Mason
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 17:38 ` Josef Bacik
2010-12-01 19:35 ` Hugo Mills
2010-12-01 20:24 ` Freddie Cash
2010-12-01 21:28 ` Hugo Mills
2010-12-01 23:32 ` Freddie Cash
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 18:52 ` 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
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
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 [this message]
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
2010-12-06 14:27 ` Josef Bacik
2011-01-31 2:56 ` Ian Kent
2010-12-07 16:48 ` Christoph Hellwig
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=20101207165212.GC21375@lst.de \
--to=hch@lst.de \
--cc=bfields@redhat.com \
--cc=chris.mason@oracle.com \
--cc=david@fromorbit.com \
--cc=josef@redhat.com \
--cc=linux-btrfs@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=ssorce@redhat.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).