From: Eric W. Biederman <ebiederm@xmission.com>
Date: Wed, 8 Oct 2014 17:42:57 +0000 (-0700)
Subject: mnt: Clear mnt_expire during pivot_root
X-Git-Tag: omap-for-v3.19/fixes-rc1~48^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4fed655c410cc56add64c7b1f7c85c7c56066ac2;p=pandora-kernel.git

mnt: Clear mnt_expire during pivot_root

When inspecting the pivot_root and the current mount expiry logic I
realized that pivot_root fails to clear like mount move does.

Add the missing line in case someone does the interesting feat of
moving an expirable submount.  This gives a strong guarantee that root
of the filesystem tree will never expire.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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