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From: Anand Jain <Anand.Jain@oracle.com>
To: dsterba@suse.cz, linux-btrfs@vger.kernel.org
Subject: Re: [PATCH v2] btrfs-progs: force overwrite should wipe stale SB
Date: Fri, 10 Oct 2014 15:47:52 +0800	[thread overview]
Message-ID: <54378F28.5090300@oracle.com> (raw)
In-Reply-To: <20141010073949.GE22943@twin.jikos.cz>



  Thanks.
Anand

On 10/10/2014 03:39 PM, David Sterba wrote:
> On Thu, Oct 02, 2014 at 07:22:09AM +0800, Anand Jain wrote:
>> (I am unable to reproduce the issue, tried to go back with progs versions
>> but still the same. So as of now this code remains untested, suggest to
>> wait till we have a reproducible test case).
>>
>> Here is a test case which says it all..
>>
>> mkfs.xfs -f $DEV
>> mkfs.btrfs -f $DEV
>> mount $DEV $MNT
>> mount: /dev/vdiskc: more filesystems detected. This should not happen,
>>         use -t <type> to explicitly specify the filesystem type or
>>         use wipefs(8) to clean up the device.
>>
>> mount: you must specify the filesystem type
>>
>> with this patch btrfs_prepare_device() also wipes old FS if any,
>> btrfs_prepare_device() is called after we have verified that
>> user has provided -f option.
>>
>> v2: to satisfy the backward compatibility issue, replace
>> blkid_do_wipe() with local wipe function.
>
> Thank you, works for me, added to 3.17 queue.
> --
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      reply	other threads:[~2014-10-10  7:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-05 15:51 [PATCH] btrfs-progs: force overwrite should wipe stale SB Anand Jain
2014-09-15 16:15 ` David Sterba
2014-10-01 11:26 ` David Sterba
2014-10-01 11:45   ` Anand Jain
2014-10-01 23:22   ` [PATCH v2] " Anand Jain
2014-10-10  7:39     ` David Sterba
2014-10-10  7:47       ` Anand Jain [this message]

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