From c96053b767d494d7c30e2be68097ac9defa9403f Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Thu, 12 Aug 2010 04:14:21 +0100
Subject: [PATCH] dm stripe: optimize sector division

Optimize sector division: If the number of stripes is a power of two,
we can do shift and mask instead of division.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Reading git-format-patch failed