From: Stanislav Kinsbursky <skinsbursky@parallels.com>
Date: Fri, 1 Feb 2013 12:56:12 +0000 (+0300)
Subject: nfsd: containerize NFSd filesystem
X-Git-Tag: v3.9-rc1~40^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11f779421a39b86da8a523d97e5fd3477878d44f;p=pandora-kernel.git

nfsd: containerize NFSd filesystem

This patch makes NFSD file system superblock to be created per net.
This makes possible to get proper network namespace from superblock instead of
using hard-coded "init_net".

Note: NFSd fs super-block holds network namespace. This garantees, that
network namespace won't disappear from underneath of it.
This, obviously, means, that in case of kill of a container's "init" (which is not a mount
namespace, but network namespace creator) netowrk namespace won't be
destroyed.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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