Re: Btrfs: wipe all the superblock [redhat bugzilla 889888]

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Am 08.01.2013 21:31, schrieb Goffredo Baroncelli:
Hi Günter,

On 01/08/2013 04:48 PM, Günter Gersdorf wrote:
Am 06.01.2013 19:28, schrieb Goffredo Baroncelli:

You can pull the change from:
     http://cassiopea.homelinux.net/git/util-linux.git
from the branch
     btrfs-wipefs

After applying this patch, findfs and blkid didn't find filesystems
smaller than 256GB, probably because there is no third superblock.

In my system also the stock "findfs" and "blkid" have the same problem:
ie without my patch these utilities were unable to detect a btrfs
filesystem.

Could you confirm that ?

Without the patch?
On my systems, after applying the patch blkid and findfs will not find any btrfs filesystems, even if bigger than 256GB.

Günter


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