Re: nfsd changes for 2.6.37

["J. Bruce Fields" <bfields@fieldses.org>]

On Tue, Oct 26, 2010 at 12:45:50PM -0400, J. Bruce Fields wrote:
> Please pull the following nfsd updates from the for-2.6.37 branch at:
> 
> 	git://linux-nfs.org/~bfields/linux.git for-2.6.37

By the way, apologies, I see there's a conflict with upstream--looks
obvious (conflicting appends to
Documentation/feature-removal-schedule.txt), but I'm happy to fix it up
and add a merge commit on that branch if it saves you time.

--b.

> 
> Neil Brown modifed the way we wait for upcalls to solve a performance
> problem and a long-standing NFSv4 correctness problem.
> 
> Pavel Emelyanov started the job of making the NFS client and server
> container-aware.  (Note that for the sake of keeping his work in one
> tree, Trond and I agreed to merge it through my tree, though it includes
> client as well as server changes.)  Thanks to Chuck Lever for help with
> review.
> 
> Thanks also to Tom Tucker for some rdma fixes (and review help).
> 
> I'm continuing work to bring the NFSv4.1 server close enough to the spec
> that we could turn it on by default without risking future
> interoperability problems.  We're not quite there yet.
> 
> A moment's silence for the spkm3 code, please.  It's been lying unused
> for years now, so we decided to finally put it out of its misery.
> 
> We're also deprecating (not removing quite yet) the old nfsd control
> interfaces.
> 
> I have a few last-minute changes still under testing that I may try to
> sneak in later in the week, but given the short merge window I thought
> it would make more sense to send the bulk of the changes now.
> 
> --b.
> 
> Andy Adamson (1):
>       nfsd: remove duplicate NFS4_STATEID_SIZE declaration
> 
> Andy Shevchenko (1):
>       sunrpc/cache: don't use custom hex_to_bin() converter
> 
> Benny Halevy (1):
>       nfsd4: adjust buflen for encoded attrs bitmap based on actual bitmap length
> 
> Bryan Schumaker (1):
>       lockd: Mostly remove BKL from the server
> 
> Chuck Lever (2):
>       SUNRPC: Use conventional switch statement when reclassifying sockets
>       SUNRPC: Properly initialize sock_xprt.srcaddr in all cases
> 
> J. Bruce Fields (39):
>       svcrpc: minor cache cleanup
>       svcrpc: cache deferral cleanup
>       Merge remote branch 'trond/bugfixes' into for-2.6.37
>       nfsd4: fix hang on fast-booting nfs servers
>       nfsd: fix /proc/net/rpc/nfsd.export/content display
>       nfsd4: remove spkm3
>       nfsd4: minor variable renaming (cb -> conn)
>       nfsd4: combine nfs4_rpc_args and nfsd4_cb_sequence
>       nfsd4: rename nfs4_rpc_args->nfsd4_cb_args
>       nfsd4: generic callback code
>       nfsd4: use generic callback code in null case
>       nfsd4: remove separate cb_args struct
>       nfsd4: Move callback setup to callback queue
>       nfsd4: fix alloc_init_session BUILD_BUG_ON()
>       nfsd4: fix alloc_init_session return type
>       nfsd4: clean up session allocation
>       nfsd4: keep per-session list of connections
>       nfsd: provide callbacks on svc_xprt deletion
>       nfsd4: use callbacks on svc_xprt_deletion
>       nfsd4: refactor connection allocation
>       nfsd4: add new connections to session
>       nfsd4: return expired on unfound stateid's
>       nfsd4: expire clients more promptly
>       nfsd4: don't cache seq_misordered replies
>       nfsd4: move callback setup into session init code
>       nfsd4: use client pointer to backchannel session
>       nfsd4: make backchannel sequence number per-session
>       nfsd4: confirm only on succesful create_session
>       nfsd4: track backchannel connections
>       nfsd4: callback program number is per-session
>       nfsd4: separate callback change and callback probe
>       nfsd4: delay session removal till free_client
>       nfsd4: move minorversion to client
>       nfsd4: only require krb5 principal for NFSv4.0 callbacks
>       nfsd4: fix connection allocation in sequence()
>       svcrpc: never clear XPT_BUSY on dead xprt
>       svcrpc: assume svc_delete_xprt() called only once
>       svcrpc: no need for XPT_DEAD check in svc_xprt_enqueue
>       svcrpc: svc_tcp_sendto XPT_DEAD check is redundant
> 
> NeilBrown (14):
>       sunrpc: extract some common sunrpc_cache code from nfsd
>       sunrpc: use seconds since boot in expiry cache
>       sunrpc/cache: allow threads to block while waiting for cache update.
>       sunrpc: close connection when a request is irretrievably lost.
>       nfsd: disable deferral for NFSv4
>       nfsd/idmap: drop special request deferal in favour of improved default.
>       svcauth_gss: replace a trivial 'switch' with an 'if'
>       sunrpc/cache: change deferred-request hash table to use hlist.
>       sunrpc/cache: fix recent breakage of cache_clean_deferred
>       nfsd: formally deprecate legacy nfsd syscall interface
>       nfsd: allow deprecated interface to be compiled out.
>       sunrpc: fix race in new cache_wait code.
>       sunrpc: Simplify cache_defer_req and related functions.
>       sunrpc/cache: centralise handling of size limit on deferred list.
> 
> Pavel Emelyanov (37):
>       nfsd: Export get_task_comm for nfsd
>       sunrpc: Pass the ip_map_parse's cd to lower calls
>       sunrpc: Make xprt auth cache release work with the xprt
>       sunrpc: Pass xprt to cached get/put routines
>       sunrpc: Add net to pure API calls
>       sunrpc: Add routines that allow registering per-net caches
>       sunrpc: Tag svc_xprt with net
>       sunrpc: The per-net skeleton
>       sunrpc: Make the /proc/net/rpc appear in net namespaces
>       sunrpc: Make the ip_map_cache be per-net
>       sunrpc: Factor out rpc_xprt allocation
>       sunrpc: Factor out rpc_xprt freeing
>       sunrpc: Add net argument to svc_create_xprt
>       sunrpc: Pull net argument downto svc_create_socket
>       sunrpc: Add net to rpc_create_args
>       sunrpc: Add net to xprt_create
>       sunrpc: Tag rpc_xprt with net
>       net: Export __sock_create
>       sunrpc: Create sockets in net namespaces
>       sunrpc: Use helper to set v4 mapped addr in ip_map_parse
>       sunrpc: Remove unused sock arg from xs_get_srcport
>       sunrpc: Remove unused sock arg from xs_next_srcport
>       sunrpc: Get xprt pointer once in xs_tcp_setup_socket
>       sunrpc: Remove duplicate xprt/transport arguments from calls
>       sunrpc: Factor out udp sockets creation
>       sunrpc: Factor out v4 sockets creation
>       sunrpc: Factor out v6 sockets creation
>       sunrpc: Call xs_create_sockX directly from setup_socket
>       sunrpc: Merge the xs_bind code
>       sunrpc: Merge xs_create_sock code
>       sunrpc: Pass family to setup_socket calls
>       sunrpc: Remove TCP worker wrappers
>       sunrpc: Remove UDP worker wrappers
>       sunrpc: Remove useless if (task == NULL) from xprt_reserve_xprt
>       sunrpc: Don't return NULL from rpcb_create
>       sunrpc: Remove dead "else" branch from bc xprt creation
>       sunrpc: Turn list_for_each-s into the ..._entry-s
> 
> Stephen Rothwell (1):
>       sunrpc: fix up rpcauth_remove_module section mismatch
> 
> Tejun Heo (1):
>       sunrpc/xprtrdma: clean up workqueue usage
> 
> Tom Tucker (2):
>       svcrdma: Change DMA mapping logic to avoid the page_address kernel API
>       svcrdma: Cleanup DMA unmapping in error paths.
> 
>  Documentation/feature-removal-schedule.txt |   10 +
>  fs/Makefile                                |    5 +-
>  fs/compat.c                                |    2 +-
>  fs/lockd/host.c                            |    1 +
>  fs/lockd/mon.c                             |    1 +
>  fs/lockd/svc.c                             |    2 +-
>  fs/lockd/svc4proc.c                        |    2 -
>  fs/lockd/svclock.c                         |   31 ++-
>  fs/lockd/svcproc.c                         |    2 -
>  fs/nfs/callback.c                          |    4 +-
>  fs/nfs/client.c                            |    1 +
>  fs/nfs/dns_resolve.c                       |    6 +-
>  fs/nfs/mount_clnt.c                        |    2 +
>  fs/nfsd/Kconfig                            |   12 +
>  fs/nfsd/export.c                           |   73 +++--
>  fs/nfsd/nfs4callback.c                     |  245 ++++++++------
>  fs/nfsd/nfs4idmap.c                        |  105 +------
>  fs/nfsd/nfs4proc.c                         |    7 +-
>  fs/nfsd/nfs4state.c                        |  491 ++++++++++++++++++----------
>  fs/nfsd/nfs4xdr.c                          |   18 +-
>  fs/nfsd/nfsctl.c                           |   26 ++-
>  fs/nfsd/nfsd.h                             |    2 +-
>  fs/nfsd/nfssvc.c                           |    5 +-
>  fs/nfsd/state.h                            |   52 ++-
>  include/linux/net.h                        |    2 +
>  include/linux/nfs4.h                       |    3 +
>  include/linux/sunrpc/auth.h                |    4 +-
>  include/linux/sunrpc/cache.h               |   37 ++-
>  include/linux/sunrpc/clnt.h                |    1 +
>  include/linux/sunrpc/gss_spkm3.h           |   55 ---
>  include/linux/sunrpc/stats.h               |   23 +-
>  include/linux/sunrpc/svc_xprt.h            |   32 ++-
>  include/linux/sunrpc/svcauth.h             |   17 +-
>  include/linux/sunrpc/xprt.h                |    4 +
>  net/socket.c                               |    3 +-
>  net/sunrpc/Kconfig                         |   19 -
>  net/sunrpc/auth.c                          |    2 +-
>  net/sunrpc/auth_generic.c                  |    2 +-
>  net/sunrpc/auth_gss/Makefile               |    5 -
>  net/sunrpc/auth_gss/gss_spkm3_mech.c       |  247 --------------
>  net/sunrpc/auth_gss/gss_spkm3_seal.c       |  186 -----------
>  net/sunrpc/auth_gss/gss_spkm3_token.c      |  267 ---------------
>  net/sunrpc/auth_gss/gss_spkm3_unseal.c     |  127 -------
>  net/sunrpc/auth_gss/svcauth_gss.c          |   51 ++--
>  net/sunrpc/cache.c                         |  288 ++++++++++++-----
>  net/sunrpc/clnt.c                          |    1 +
>  net/sunrpc/netns.h                         |   19 +
>  net/sunrpc/rpcb_clnt.c                     |    4 +-
>  net/sunrpc/stats.c                         |   43 ++-
>  net/sunrpc/sunrpc_syms.c                   |   58 +++-
>  net/sunrpc/svc.c                           |    3 +
>  net/sunrpc/svc_xprt.c                      |   59 +++--
>  net/sunrpc/svcauth_unix.c                  |  194 ++++++++---
>  net/sunrpc/svcsock.c                       |   27 +-
>  net/sunrpc/xprt.c                          |   39 ++-
>  net/sunrpc/xprtrdma/svc_rdma.c             |   11 +-
>  net/sunrpc/xprtrdma/svc_rdma_recvfrom.c    |   19 +-
>  net/sunrpc/xprtrdma/svc_rdma_sendto.c      |   82 ++++--
>  net/sunrpc/xprtrdma/svc_rdma_transport.c   |   49 ++--
>  net/sunrpc/xprtrdma/transport.c            |   25 +-
>  net/sunrpc/xprtsock.c                      |  358 +++++++-------------
>  61 files changed, 1534 insertions(+), 1937 deletions(-)
>  delete mode 100644 include/linux/sunrpc/gss_spkm3.h
>  delete mode 100644 net/sunrpc/auth_gss/gss_spkm3_mech.c
>  delete mode 100644 net/sunrpc/auth_gss/gss_spkm3_seal.c
>  delete mode 100644 net/sunrpc/auth_gss/gss_spkm3_token.c
>  delete mode 100644 net/sunrpc/auth_gss/gss_spkm3_unseal.c
>  create mode 100644 net/sunrpc/netns.h
> --
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