From: Karel Zak <kzak@redhat.com>
To: "Lukáš Czerner" <lczerner@redhat.com>
Cc: Zach Brown <zabrown@redhat.com>,
sandeen@redhat.com, linux-btrfs@vger.kernel.org, xfs@oss.sgi.com
Subject: Re: [PATCH] xfs_mkfs: wipe old signatures from the device
Date: Wed, 13 Feb 2013 13:16:55 +0100 [thread overview]
Message-ID: <20130213121655.GA7799@x2.net.home> (raw)
In-Reply-To: <alpine.LFD.2.00.1302131127070.2315@(none)>
On Wed, Feb 13, 2013 at 11:41:08AM +0100, Lukáš Czerner wrote:
> However
>
> mkfs.btrfs /dev/sda
> mkfs.ext4 -F /dev/sda
>
> works well, however I am not sure why that is. Is that some kind of
> mount(8) magic ?
This is bug in libmount. Fixed in upstream tree. The libmount in some
cases ignores the ambivalent probing result from libblkid and tries
stuff from /etc/filesystems (where is for example ext4).
> So I think that liblkid _and_ btrfs tools has to be fixed not to treat
> backup superblocks as primary!
The problem with additional btrfs superblocks has been already reported
to btrfs guys:
http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg20957.html
and I don't see a reply "yep, this is btrfs-progs bug" :-)
Karel
--
Karel Zak <kzak@redhat.com>
http://karelzak.blogspot.com
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2013-02-13 12:17 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-12 11:06 [PATCH] xfs_mkfs: wipe old signatures from the device Lukas Czerner
2013-02-12 11:31 ` Karel Zak
2013-02-12 11:58 ` Lukáš Czerner
2013-02-12 20:27 ` Dave Chinner
2013-02-13 8:01 ` Karel Zak
2013-02-13 10:41 ` Lukáš Czerner
2013-02-13 12:16 ` Karel Zak [this message]
2013-02-13 22:17 ` Dave Chinner
2013-02-14 7:29 ` Chris Murphy
2013-02-14 8:36 ` Lukáš Czerner
2013-02-14 11:04 ` Dave Chinner
2013-02-14 12:28 ` Lukáš Czerner
2013-02-14 14:48 ` Martin Steigerwald
2013-02-14 18:35 ` Eric Sandeen
2013-02-14 14:54 ` Hugo Mills
2013-02-14 17:25 ` Eric Sandeen
2013-02-14 19:08 ` Chris Murphy
2013-02-14 11:45 ` Dave Howorth
2013-02-14 19:17 ` Eric Sandeen
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=20130213121655.GA7799@x2.net.home \
--to=kzak@redhat.com \
--cc=lczerner@redhat.com \
--cc=linux-btrfs@vger.kernel.org \
--cc=sandeen@redhat.com \
--cc=xfs@oss.sgi.com \
--cc=zabrown@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