From: Nick Piggin <npiggin@kernel.dk>
Date: Fri, 7 Jan 2011 06:49:57 +0000 (+1100)
Subject: fs: rcu-walk aware d_revalidate method
X-Git-Tag: v2.6.38-rc1~468^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=34286d6662308d82aed891852d04c7c3a2649b16;p=pandora-kernel.git

fs: rcu-walk aware d_revalidate method

Require filesystems be aware of .d_revalidate being called in rcu-walk
mode (nd->flags & LOOKUP_RCU). For now do a simple push down, returning
-ECHILD from all implementations.

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