From: Sage Weil <sage@newdream.net>
Date: Fri, 17 Sep 2010 17:46:44 +0000 (-0700)
Subject: ceph: use mapping->nrpages to determine if mapping is empty
X-Git-Tag: v2.6.37-rc1~221^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18a38193efcaac1fb3c94ad8fa04bb117850a3c2;p=pandora-kernel.git

ceph: use mapping->nrpages to determine if mapping is empty

This is simpler and faster.

Signed-off-by: Sage Weil <sage@newdream.net>
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