Lockd: grace period containerization

Bruce, I feel this patch set is ready for inclusion.

v2:
1) Rebase on Bruce's "for-3.6" branch.

This patch set makes grace period and hosts reclaiming network namespace
aware.

Main ideas:
1)  moving of 

	unsigned long next_gc;
	unsigned long nrhosts;

	struct delayed_work grace_period_end;
	struct lock_manager lockd_manager;
	struct list_head grace_list;

to per-net Lockd data.

2) moving of 

	struct lock_manager nfsd4_manager;

to per-net NFSd data.

3) shutdown + gc of NLM hosts done now network namespace aware.

4) restart_grace() now works only for init_net.

The following series implements...

---

Stanislav Kinsbursky (15):
      LockD: mark host per network namespace on garbage collect
      LockD: make garbage collector network namespace aware.
      LockD: manage garbage collection timeout per networks namespace
      LockD: manage used host count per networks namespace
      Lockd: host complaining function introduced
      Lockd: add more debug to host shutdown functions
      LockD: manage grace period per network namespace
      LockD: make lockd manager allocated per network namespace
      NFSd: make nfsd4_manager allocated per network namespace context.
      SUNRPC: service request network namespace helper introduced
      LockD: manage grace list per network namespace
      LockD: pass actual network namespace to grace period management functions
      Lockd: move grace period management from lockd() to per-net functions
      NFSd: make grace end flag per network namespace
      NFSd: make boot_time variable per network namespace


 fs/lockd/grace.c            |   16 +++++--
 fs/lockd/host.c             |   92 ++++++++++++++++++++++++++------------
 fs/lockd/netns.h            |    7 +++
 fs/lockd/svc.c              |   43 ++++++++++--------
 fs/lockd/svc4proc.c         |   13 +++--
 fs/lockd/svclock.c          |   16 +++----
 fs/lockd/svcproc.c          |   15 ++++--
 fs/lockd/svcsubs.c          |   19 +++++---
 fs/nfs/callback_xdr.c       |    4 +-
 fs/nfsd/export.c            |    4 +-
 fs/nfsd/netns.h             |    4 ++
 fs/nfsd/nfs4idmap.c         |    4 +-
 fs/nfsd/nfs4proc.c          |   18 ++++---
 fs/nfsd/nfs4state.c         |  104 ++++++++++++++++++++++++-------------------
 fs/nfsd/state.h             |    4 +-
 include/linux/fs.h          |    5 +-
 include/linux/lockd/lockd.h |    6 +-
 include/linux/sunrpc/svc.h  |    2 +
 18 files changed, 231 insertions(+), 145 deletions(-)

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