From: Mike Snitzer <snitzer@redhat.com>
Date: Thu, 9 Oct 2014 22:43:25 +0000 (-0400)
Subject: dm thin: adjust max_sectors_kb based on thinp blocksize
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~22^2~41
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=604ea90641b45f41f8dee34ce45694f1e0c53a5a;p=pandora-kernel.git

dm thin: adjust max_sectors_kb based on thinp blocksize

Allows for filesystems to submit bios that are a factor of the thinp
blocksize, improving dm-thinp efficiency (particularly when the data
volume is RAID).

Also set io_min to max_sectors_kb if it is a factor of the thinp
blocksize.

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