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    SubjectRe: nfsd changes for 2.6.37
    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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