tree a6fc0ea2a6dfc338fa8fc7126005f40109ef8dce
parent c4a4d603796c727b9555867571f89483be9c565e
author Eric W. Biederman <ebiederm@xmission.com> 1321509173 -0800
committer Eric W. Biederman <ebiederm@xmission.com> 1333842952 -0700

cred: Refcount the user_ns pointed to by the cred.

struct user_struct will shortly loose it's user_ns reference
so make the cred user_ns reference a proper reference complete
with reference counting.

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>