nfsd changes for 3.9

[J. Bruce Fields]

Please pull nfsd changes for 3.9 from the for-3.9 branch at:

  git://linux-nfs.org/~bfields/linux.git for-3.9

Miscellaneous bugfixes, plus:

	- An overhaul of the DRC cache by Jeff Layton.  The main effect
	  is just to make it larger.  This decreases the chances of
	  intermittent errors especially in the UDP case.  But we'll
	  need to watch for any reports of performance regressions.

	- Containerized nfsd: with some limitations, we now support
	  per-container nfs-service, thanks to extensive work from
	  Stanislav Kinsbursky over the last year.

--b.

----------------------------------------------------------------
Andriy Skulysh (1):
      sunrpc: Fix lockd sleeping until timeout

Fengguang Wu (1):
      nfsd4: free_stid can be static

J. Bruce Fields (7):
      nfsd4: simplify nfsd4_encode_fattr interface slightly
      svcrpc: silence "unused variable" warning in !RPC_DEBUG case
      nfsd4: require version 4 when enabling or disabling minorversion
      nfsd4: simplify idr allocation
      svcrpc: make svc_age_temp_xprts enqueue under sv_lock
      svcrpc: fix rpc server shutdown races
      SUNRPC: make AF_LOCAL connect synchronous

Jeff Layton (23):
      nfsd: fix IPv6 address handling in the DRC
      nfsd: remove unneeded spinlock in nfsd_cache_update
      nfsd: get rid of RC_INTR
      nfsd: create a dedicated slabcache for DRC entries
      nfsd: add alloc and free functions for DRC entries
      nfsd: remove redundant test from nfsd_reply_cache_free
      nfsd: clean up and clarify the cache expiration code
      nfsd: break out hashtable search into separate function
      nfsd: initialize the exp->ex_uuid field in svc_export_init
      nfsd: always move DRC entries to the end of LRU list when updating timestamp
      nfsd: track the number of DRC entries in the cache
      nfsd: dynamically allocate DRC entries
      nfsd: remove the cache_disabled flag
      nfsd: when updating an entry with RC_NOCACHE, just free it
      nfsd: add recurring workqueue job to clean the cache
      nfsd: register a shrinker for DRC cache entries
      sunrpc: copy scope ID in __rpc_copy_addr6
      sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h
      sunrpc: fix comment in struct xdr_buf definition
      sunrpc: trim off trailing checksum before returning decrypted or integrity authenticated buffer
      nfsd: keep a checksum of the first 256 bytes of request
      nfsd: fix comments on nfsd_cache_lookup
      nfsd: fix compiler warning about ambiguous types in nfsd_cache_csum

Stanislav Kinsbursky (11):
      nfsd: fix unused "nn" variable warning in free_client()
      NFS: use SUNRPC cache creation and destruction helper for DNS cache
      NFS: simplify and clean cache library
      SUNRPC: introduce cache_detail->cache_request callback
      SUNRPC: rework cache upcall logic
      SUNRPC: remove "cache_request" argument in sunrpc_cache_pipe_upcall() function
      SUNRPC: move cache_detail->cache_request callback call to cache_read()
      nfsd: containerize NFSd filesystem
      nfsd: use proper net while reading "exports" file
      nfsd: disable usermode helper client tracker in container
      nfsd: enable NFSv4 state in containers

Tim Gardner (1):
      lockd: nlmclnt_reclaim(): avoid stack overflow

Yanchuan Nian (3):
      nfsd: Pass correct slot number to nfsd4_put_drc_mem()
      nfsd: Don't unlock the state while it's not locked
      nfsd: Remove write permission from file content

majianpeng (2):
      nfsd: Fix memleak in svc_export_put
      nfsd: Fix memleak

 fs/lockd/clntlock.c                 |  14 +-
 fs/lockd/clntproc.c                 |   6 +-
 fs/lockd/host.c                     |   1 +
 fs/lockd/mon.c                      |   1 +
 fs/lockd/svcsubs.c                  |   2 +-
 fs/nfs/cache_lib.c                  |  12 +-
 fs/nfs/cache_lib.h                  |   2 -
 fs/nfs/dns_resolve.c                |  67 +++----
 fs/nfs/nfs4client.c                 |   1 +
 fs/nfs/nfs4filelayoutdev.c          |   1 +
 fs/nfs/nfs4namespace.c              |   1 +
 fs/nfs/super.c                      |   1 +
 fs/nfsd/cache.h                     |  17 +-
 fs/nfsd/export.c                    |  16 +-
 fs/nfsd/fault_inject.c              |   2 +-
 fs/nfsd/nfs4idmap.c                 |  16 +-
 fs/nfsd/nfs4proc.c                  |   7 +-
 fs/nfsd/nfs4recover.c               |   6 +
 fs/nfsd/nfs4state.c                 | 102 ++++++-----
 fs/nfsd/nfs4xdr.c                   |  21 +--
 fs/nfsd/nfscache.c                  | 354 ++++++++++++++++++++++++++++--------
 fs/nfsd/nfsctl.c                    |  81 ++++++---
 fs/nfsd/nfssvc.c                    |   6 +-
 fs/nfsd/xdr4.h                      |   2 +-
 include/linux/lockd/lockd.h         |   3 +-
 include/linux/sunrpc/addr.h         | 170 +++++++++++++++++
 include/linux/sunrpc/cache.h        |  10 +-
 include/linux/sunrpc/clnt.h         | 152 ----------------
 include/linux/sunrpc/svc.h          |   1 +
 include/linux/sunrpc/xdr.h          |   3 +-
 net/sunrpc/addr.c                   |   3 +-
 net/sunrpc/auth_gss/gss_krb5_wrap.c |   2 +
 net/sunrpc/auth_gss/svcauth_gss.c   |  18 +-
 net/sunrpc/cache.c                  |  51 +++---
 net/sunrpc/clnt.c                   |   1 +
 net/sunrpc/rpcb_clnt.c              |   1 +
 net/sunrpc/svc.c                    |  13 +-
 net/sunrpc/svc_xprt.c               |  81 +++++----
 net/sunrpc/svcauth_unix.c           |  16 +-
 net/sunrpc/xdr.c                    |  41 +++++
 net/sunrpc/xprtrdma/transport.c     |   1 +
 net/sunrpc/xprtsock.c               |  36 +++-
 42 files changed, 834 insertions(+), 508 deletions(-)
 create mode 100644 include/linux/sunrpc/addr.h
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