From ceeb0e5d39fcdf4dca2c997bf225c7fc49200b37 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Wed, 7 Jan 2015 08:10:09 -0600
Subject: [PATCH] vfs: Ignore unlocked mounts in fs_fully_visible

Limit the mounts fs_fully_visible considers to locked mounts.
Unlocked can always be unmounted so considering them adds hassle
but no security benefit.

Cc: stable@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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