From: Mike Snitzer <snitzer@redhat.com>
Date: Tue, 12 Nov 2013 17:17:43 +0000 (-0500)
Subject: dm cache: resolve small nits and improve Documentation
X-Git-Tag: v3.13-rc1~97^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b6b2bc98c0303b7f043ad5b35906f833e56308d;p=pandora-kernel.git

dm cache: resolve small nits and improve Documentation

Document passthrough mode, cache shrinking, and cache invalidation.
Also, use strcasecmp() and hlist_unhashed().

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