From: Eric W. Biederman <ebiederm@xmission.com>
Date: Fri, 16 Jan 2015 04:58:33 +0000 (-0600)
Subject: mnt: Factor umount_mnt from umount_tree
X-Git-Tag: omap-for-v4.1/fixes-rc1~99^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a46c5735c29175da55b2fa9d53775182422cdd7;p=pandora-kernel.git

mnt: Factor umount_mnt from umount_tree

For future use factor out a function umount_mnt from umount_tree.
This function unhashes a mount and remembers where the mount
was mounted so that eventually when the code makes it to a
sleeping context the mountpoint can be dput.

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