[PATCH v3 0/2] Fix write pad

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Hi Anna-

Can you include this series in your next pull request to Trond?

Trond, 

This series addresses your concern about xprtrdma using the 
rq_rcv_buf.tail vector in some cases to receive an XDR pad. It has
been tested with a legacy Solaris server, in addition to the usual
tests I run.

We haven't yet confirmed whether this addresses the GPU-Direct
issue, but since that is an out-of-tree user that depends on 
unsupported kernel facilities, I regard that confirmation as only
"nice to have", not mandatory. We are confident this change will
address that situation, based on our understanding of the issue.

Changes since v2:
- Address more review comments from Tom Talpey

---

Chuck Lever (2):
      xprtrdma: Provide a buffer to pad Write chunks of unaligned length
      xprtrdma: Remove rpcrdma_ep::re_implicit_roundup


 include/trace/events/rpcrdma.h  | 13 +++++++++---
 net/sunrpc/xprtrdma/frwr_ops.c  | 35 +++++++++++++++++++++++++++++++++
 net/sunrpc/xprtrdma/rpc_rdma.c  | 23 +++++++++++++---------
 net/sunrpc/xprtrdma/verbs.c     |  3 +--
 net/sunrpc/xprtrdma/xprt_rdma.h |  6 +++++-
 5 files changed, 65 insertions(+), 15 deletions(-)

--
Chuck Lever




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