From: Kent Overstreet <kmo@daterainc.com>
Date: Fri, 12 Jul 2013 05:39:53 +0000 (-0700)
Subject: bcache/md: Use raid stripe size
X-Git-Tag: v3.14-rc1~42^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c78afc6261b09f74abff8c0719b80692a4959768;p=pandora-kernel.git

bcache/md: Use raid stripe size

Now that we've got code for raid5/6 stripe awareness, bcache just needs
to know about the stripes and when writing partial stripes is expensive
- we probably don't want to enable this optimization for raid1 or 10,
even though they have stripes. So add a flag to queue_limits.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
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