From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 9 Jun 2012 04:59:08 +0000 (-0400)
Subject: get rid of ->mnt_longterm
X-Git-Tag: v3.6-rc1~152^2~118
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7a99c5b7c8bd3d3f533c8b38274e33f3da9096e;p=pandora-kernel.git

get rid of ->mnt_longterm

it's enough to set ->mnt_ns of internal vfsmounts to something
distinct from all struct mnt_namespace out there; then we can
just use the check for ->mnt_ns != NULL in the fast path of
mntput_no_expire()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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