From: Joe Thornber <ejt@redhat.com>
Date: Wed, 26 Nov 2014 16:07:50 +0000 (+0000)
Subject: dm cache: discard block size must be a multiple of cache block size
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~22^2~7
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2bb812df63bbd246bd39d10f2e810b2a0a59e99e;p=pandora-kernel.git

dm cache: discard block size must be a multiple of cache block size

Otherwise the cache blocks may span two discard blocks, which we don't
handle when doing the discard lookup.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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