From: NeilBrown <neilb@suse.de>
Date: Mon, 25 May 2009 23:41:17 +0000 (+1000)
Subject: md: export 'frozen' resync state through sysfs
X-Git-Tag: v2.6.30-rc8~58^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b6a9ce688f613e2ee5f15e6720e0bb8520efc36e;p=pandora-kernel.git

md: export 'frozen' resync state through sysfs

The md resync engine has a 'frozen' state which ensures that
no resync/recovery.  This is used to avoid races.

Export this state through the 'sync_action' sysfs attribute
so that user-space can benefit and also avoid some races.

Signed-off-by: NeilBrown <neilb@suse.de>
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