From: Eric W. Biederman <ebiederm@xmission.com>
Date: Thu, 17 Nov 2011 07:15:31 +0000 (-0800)
Subject: userns: Use cred->user_ns instead of cred->user->user_ns
X-Git-Tag: v3.5-rc1~107^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4a4d603796c727b9555867571f89483be9c565e;p=pandora-kernel.git

userns: Use cred->user_ns instead of cred->user->user_ns

Optimize performance and prepare for the removal of the user_ns reference
from user_struct.  Remove the slow long walk through cred->user->user_ns and
instead go straight to cred->user_ns.

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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