From: Kent Overstreet <koverstreet@google.com>
Date: Wed, 5 Jun 2013 13:21:07 +0000 (-0700)
Subject: bcache: Track dirty data by stripe
X-Git-Tag: v3.11-rc3~32^2~1^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=279afbad4e54acbd61bf88a54a73af3bbfdeb5dd;p=pandora-kernel.git

bcache: Track dirty data by stripe

To make background writeback aware of raid5/6 stripes, we first need to
track the amount of dirty data within each stripe - we do this by
breaking up the existing sectors_dirty into per stripe atomic_ts

Signed-off-by: Kent Overstreet <koverstreet@google.com>
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