From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 16 Jan 2010 17:56:08 +0000 (-0500)
Subject: may_umount() needs namespace_sem
X-Git-Tag: v2.6.33-rc5~25^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ad08d8a0c3823e9b06ef84c362c9361be323d2d;p=pandora-kernel.git

may_umount() needs namespace_sem

otherwise it races with clone_mnt() changing mnt_share/mnt_slaves

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