From: NeilBrown <neilb@suse.com>
Date: Thu, 2 Jul 2015 07:12:58 +0000 (+1000)
Subject: md: Keep /proc/mdstat reporting recovery until fully DONE.
X-Git-Tag: omap-for-v4.3/fixes-rc1~84^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7851be736d58e7270f05a4ca84b16ce72734a18;p=pandora-kernel.git

md: Keep /proc/mdstat reporting recovery until fully DONE.

Currently when a recovery completes, mdstat shows that it has finished
before the new device is marked as a full member.  Because of this it
can appear to a script that the recovery finished but the array isn't
in sync.

So while MD_RECOVERY_DONE is still set, keep mdstat reporting "recovery".
Once md_reap_sync_thread() completes, the spare will be active and then
MD_RECOVERY_DONE will be cleared.

To ensure this is race-free, set MD_RECOVERY_DONE before clearning
curr_resync.

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