From: Nick Piggin <npiggin@kernel.dk>
Date: Fri, 7 Jan 2011 06:49:44 +0000 (+1100)
Subject: fs: dcache reduce d_parent locking
X-Git-Tag: v2.6.38-rc1~468^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a734eb458ab2bd11479a27dd54f48e1b26a55845;p=pandora-kernel.git

fs: dcache reduce d_parent locking

Use RCU to simplify locking in dget_parent.

Signed-off-by: Nick Piggin <npiggin@kernel.dk>
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