[PATCH v3 00/17] NFS/RDMA client patches for 4.2

[Chuck Lever <chuck.lever@oracle.com>]

I'd like these patches to be considered for merging upstream. This
patch series includes:

 - Internal documentation of connection recovery
 - JIT allocation of rpcrdma_mw structures
 - Break-up of rb_lock
 - Reduction of how many rpcrdma_mw structs are needed per transport

These are pre-requisites for increasing the RPC slot count and
r/wsize on RPC/RDMA transports, and provide scalability benefits
even on their own. And:

 - A generic transport fault injector

This is useful to discover regressions in logic that handles
transport reconnection.

You can find these in my git repo in the "nfs-rdma-for-4.2" topic
branch. See:

 git://git.linux-nfs.org/projects/cel/cel-2.6.git


Changes since v2:
 - Rebased on 4.1-rc5
 - Updated Reviewed-by and Tested-by tags
 - Minor fix to XDR argument encoder for NFS SETACL


Changes since v1:

 - Rebased on 4.1-rc3
 - Transport fault injector controlled from debugfs rather than /proc
 - Transport fault injector works for all transport types
 - bc_send() clean up suggested by Christoph Hellwig
 - Added Reviewed-by: tags. Many thanks to reviewers!
 - Addressed all review comments but one: Sagi's comment about
    ri_device remains unresolved.

---

Chuck Lever (17):
      SUNRPC: Transport fault injection
      xprtrdma: Warn when there are orphaned IB objects
      xprtrdma: Replace rpcrdma_rep::rr_buffer with rr_rxprt
      xprtrdma: Remove rr_func
      xprtrdma: Use ib_device pointer safely
      xprtrdma: Introduce helpers for allocating MWs
      xprtrdma: Acquire FMRs in rpcrdma_fmr_register_external()
      xprtrdma: Introduce an FRMR recovery workqueue
      xprtrdma: Acquire MRs in rpcrdma_register_external()
      xprtrdma: Remove unused LOCAL_INV recovery logic
      xprtrdma: Remove ->ro_reset
      xprtrdma: Remove rpcrdma_ia::ri_memreg_strategy
      xprtrdma: Split rb_lock
      xprtrdma: Stack relief in fmr_op_map()
      xprtrdma: Reduce per-transport MR allocation
      SUNRPC: Clean up bc_send()
      NFS: Fix size of NFSACL SETACL operations


 fs/nfs/nfs3xdr.c                   |    2 
 include/linux/sunrpc/bc_xprt.h     |    1 
 include/linux/sunrpc/xprt.h        |   19 +++
 include/linux/sunrpc/xprtrdma.h    |    3 
 net/sunrpc/Makefile                |    2 
 net/sunrpc/bc_svc.c                |   63 ---------
 net/sunrpc/clnt.c                  |    1 
 net/sunrpc/debugfs.c               |   77 +++++++++++
 net/sunrpc/svc.c                   |   33 ++++-
 net/sunrpc/xprt.c                  |    2 
 net/sunrpc/xprtrdma/fmr_ops.c      |  120 +++++++++++------
 net/sunrpc/xprtrdma/frwr_ops.c     |  227 +++++++++++++++++++++++---------
 net/sunrpc/xprtrdma/physical_ops.c |   14 --
 net/sunrpc/xprtrdma/rpc_rdma.c     |    8 -
 net/sunrpc/xprtrdma/transport.c    |   30 +++-
 net/sunrpc/xprtrdma/verbs.c        |  257 +++++++++---------------------------
 net/sunrpc/xprtrdma/xprt_rdma.h    |   38 ++++-
 net/sunrpc/xprtsock.c              |   10 +
 18 files changed, 493 insertions(+), 414 deletions(-)
 delete mode 100644 net/sunrpc/bc_svc.c

--
Chuck Lever