From: NeilBrown <neilb@suse.de>
Date: Wed, 8 May 2013 23:48:30 +0000 (+1000)
Subject: md: md_stop_writes() should always freeze recovery.
X-Git-Tag: v3.10-rc6~16^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b6204ee92adb53bfd6a77cb5679282ec3820c4b;p=pandora-kernel.git

md: md_stop_writes() should always freeze recovery.

__md_stop_writes() will currently sometimes freeze recovery.
So any caller must be ready for that to happen, and indeed they are.

However if __md_stop_writes() doesn't freeze_recovery, then
a recovery could start before mddev_suspend() is called, which
could be awkward.  This can particularly cause problems or dm-raid.

So change __md_stop_writes() to always freeze recovery.  This is safe
and more predicatable.

Reported-by: Brassow Jonathan <jbrassow@redhat.com>
Tested-by: Brassow Jonathan <jbrassow@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---

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