From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 3 Dec 2010 13:02:40 +0000 (+1100)
Subject: xfs: convert log grant heads to atomic variables
X-Git-Tag: v2.6.38-rc1~44^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8a09ff8ca2235bccdaea8a52fbd5349646a8ba4;p=pandora-kernel.git

xfs: convert log grant heads to atomic variables

Convert the log grant heads to atomic64_t types in preparation for
converting the accounting algorithms to atomic operations. his patch
just converts the variables; the algorithmic changes are in a
separate patch for clarity.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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