From: Joe Thornber <ejt@redhat.com>
Date: Thu, 16 Apr 2015 11:47:21 +0000 (+0100)
Subject: dm thin metadata: add dm_thin_find_mapped_range()
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~116^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5d895a90bf57e5fe87edf48dd1852e7292d570d;p=pandora-kernel.git

dm thin metadata: add dm_thin_find_mapped_range()

Retrieve the next run of contiguously mapped blocks.  Useful for working
out where to break up IO.

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