From: NeilBrown <neilb@suse.de>
Date: Fri, 8 May 2015 08:19:04 +0000 (+1000)
Subject: md/raid5: new alloc_stripe() to allocate an initialize a stripe.
X-Git-Tag: omap-for-v4.2/wakeirq-drivers~2^2~39^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f18c1a35f62caccb527e8b0990c8801596e7c662;p=pandora-kernel.git

md/raid5: new alloc_stripe() to allocate an initialize a stripe.

The new batch_lock and batch_list fields are being initialized in
grow_one_stripe() but not in resize_stripes().  This causes a crash
on resize.

So separate the core initialization into a new function and call it
from both allocation sites.

Signed-off-by: NeilBrown <neilb@suse.de>
Fixes: 59fc630b8b5f ("RAID5: batch adjacent full stripe write")
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