From 46d5b785621ad10a373e292f9101ccfc626466e0 Mon Sep 17 00:00:00 2001
From: "shli@kernel.org" <shli@kernel.org>
Date: Mon, 15 Dec 2014 12:57:02 +1100
Subject: [PATCH] raid5: use flex_array for scribble data

Use flex_array for scribble data. Next patch will batch several stripes
together, so scribble data should be able to cover several stripes, so this
patch also allocates scribble data for stripes across a chunk.

Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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