From: Mike Snitzer <snitzer@redhat.com>
Date: Fri, 1 Mar 2013 22:45:45 +0000 (+0000)
Subject: dm thin: use block_size_is_power_of_two
X-Git-Tag: v3.9-rc1~19^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58f77a2196ee65510885426e65049880be841193;p=pandora-kernel.git

dm thin: use block_size_is_power_of_two

Use block_size_is_power_of_two() rather than checking
sectors_per_block_shift directly.  Also introduce local pool variable in
get_bio_block() to eliminate redundant tc->pool dereferences.

No functional change.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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