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Date: Fri, 23 Aug 2013 14:45:14 +0800
From: Anand Jain <Anand.Jain@oracle.com>
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To: Stefan Behrens <sbehrens@giantdisaster.de>
CC: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] btrfs: introduce BTRFS_IOC_CHECK_DEV_EXCL_OPS ioctl to
 check dev excl op
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>>   Further CHECK_DEV_EXCL_OPS will be useful to fix issues with
>>   other cross vol operations.
>
> Which issues? Please share the details.
> The other commands do not background and do report errors.

  I am assuming potentially required (to background) for balance,
  remove and resize.

Thanks, Anand