Re: [PATCH v1 00/18] NFS/RDMA client patches for 4.7

On Apr 11, 2016, at 4:10 PM, Chuck Lever [off-list ref] wrote:

One larger change: Attempt to fence memory regions after a signal
interrupts a synchronous RPC. This should prevent a server from
writing a reply into a client's memory after the memory has been
released.

In addition, the following changes and fixes:

- Use new ib_drain_qp() API
- Advertise max size of NFSv4.1 callbacks on RPC/RDMA
- Prevent overflowing the server's receive buffers
- Read list + Reply chunk (to support krb5i and krbp on RPC/RDMA)
- Detect connection loss sooner

Forgot to add:

Available in the "nfs-rdma-for-4.7" topic branch of this git repo:

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

Or for browsing:

http://git.linux-nfs.org/?p=cel/cel-2.6.git;a=log;h=refs/heads/nfs-rdma-for-4.7

---

Chuck Lever (18):
     sunrpc: Advertise maximum backchannel payload size
     xprtrdma: Bound the inline threshold values
     xprtrdma: Limit number of RDMA segments in RPC-over-RDMA headers
     xprtrdma: Prevent inline overflow
     xprtrdma: Avoid using Write list for small NFS READ requests
     xprtrdma: Update comments in rpcrdma_marshal_req()
     xprtrdma: Allow Read list and Reply chunk simultaneously
     xprtrdma: Remove rpcrdma_create_chunks()
     xprtrdma: Use core ib_drain_qp() API
     xprtrdma: Rename rpcrdma_frwr::sg and sg_nents
     xprtrdma: Save I/O direction in struct rpcrdma_frwr
     xprtrdma: Reset MRs in frwr_op_unmap_sync()
     xprtrdma: Refactor the FRWR recovery worker
     xprtrdma: Move fr_xprt and fr_worker to struct rpcrdma_mw
     xprtrdma: Refactor __fmr_dma_unmap()
     xprtrdma: Add ro_unmap_safe memreg method
     xprtrdma: Remove ro_unmap() from all registration modes
     xprtrdma: Faster server reboot recovery


fs/nfs/nfs4proc.c                  |   10 -
include/linux/sunrpc/clnt.h        |    1 
include/linux/sunrpc/xprt.h        |    1 
include/linux/sunrpc/xprtrdma.h    |    4 
net/sunrpc/clnt.c                  |   17 +
net/sunrpc/xprtrdma/backchannel.c  |   16 +
net/sunrpc/xprtrdma/fmr_ops.c      |  134 +++++++--
net/sunrpc/xprtrdma/frwr_ops.c     |  214 ++++++++-------
net/sunrpc/xprtrdma/physical_ops.c |   39 ++-
net/sunrpc/xprtrdma/rpc_rdma.c     |  517 ++++++++++++++++++++++--------------
net/sunrpc/xprtrdma/transport.c    |   16 +
net/sunrpc/xprtrdma/verbs.c        |   91 ++----
net/sunrpc/xprtrdma/xprt_rdma.h    |   42 ++-
net/sunrpc/xprtsock.c              |    6 
14 files changed, 674 insertions(+), 434 deletions(-)

--
Chuck Lever
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--
Chuck Lever



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