From: Ilya Dryomov <idryomov@gmail.com>
Date: Mon, 16 Jan 2012 20:04:49 +0000 (+0200)
Subject: Btrfs: allow for canceling restriper
X-Git-Tag: v3.3-rc1~26^2~12^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a7e99c691af553fc15ac46a51f130b7c59a65f76;p=pandora-kernel.git

Btrfs: allow for canceling restriper

Implement an ioctl for canceling restriper.  Currently we wait until
relocation of the current block group is finished, in future this can be
done by triggering a commit.  Balance item is deleted and no memory
about the interrupted balance is kept.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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