tree b1393fa0bd2782c4f41f14c6d1d4390b480057cf
parent 3fbc290540a1ed1a8a076ed8f53bee7a38a9f408
author Eric W. Biederman <ebiederm@xmission.com> 1337903803 -0600
committer Eric W. Biederman <ebiederm@xmission.com> 1345006196 -0700

userns: Implement sk_user_ns

Add a helper sk_user_ns to make it easy to find the user namespace
of the process that opened a socket.

Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>