This is a series of client-side patches for NFS/RDMA. In preparation
for increasing the transport credit limit and maximum rsize/wsize,
I've re-factored the memory registration logic into separate files,
invoked via a method API.
The two main optimizations in v1 of this series have been dropped.
Sagi Grimberg didn't like the complexity of the solution, and there
isn't enough time to rework it, test the new version, and get it
reviewed before the 4.1 merge window opens. I'm going to prepare
these for 4.2.
Fixes suggested by reviewers have been included before the
refactoring patches to make it easier to backport them to previous
kernels.
The series is available in the nfs-rdma-for-4.1 topic branch at
git://linux-nfs.org/projects/cel/cel-2.6.git
Changes since v1:
- Rebased on 4.0-rc5
- Main optimizations postponed to 4.2
- Addressed review comments from Anna, Sagi, and Devesh
---
Chuck Lever (15):
SUNRPC: Introduce missing well-known netids
xprtrdma: Display IPv6 addresses and port numbers correctly
xprtrdma: Perform a full marshal on retransmit
xprtrdma: Byte-align FRWR registration
xprtrdma: Prevent infinite loop in rpcrdma_ep_create()
xprtrdma: Add vector of ops for each memory registration strategy
xprtrdma: Add a "max_payload" op for each memreg mode
xprtrdma: Add a "register_external" op for each memreg mode
xprtrdma: Add a "deregister_external" op for each memreg mode
xprtrdma: Add "init MRs" memreg op
xprtrdma: Add "reset MRs" memreg op
xprtrdma: Add "destroy MRs" memreg op
xprtrdma: Add "open" memreg op
xprtrdma: Handle non-SEND completions via a callout
xprtrdma: Make rpcrdma_{un}map_one() into inline functions
include/linux/sunrpc/msg_prot.h | 8
net/sunrpc/xprtrdma/Makefile | 3
net/sunrpc/xprtrdma/fmr_ops.c | 208 +++++++++++
net/sunrpc/xprtrdma/frwr_ops.c | 353 ++++++++++++++++++
net/sunrpc/xprtrdma/physical_ops.c | 94 +++++
net/sunrpc/xprtrdma/rpc_rdma.c | 87 ++--
net/sunrpc/xprtrdma/transport.c | 61 ++-
net/sunrpc/xprtrdma/verbs.c | 699 +++---------------------------------
net/sunrpc/xprtrdma/xprt_rdma.h | 90 ++++-
9 files changed, 882 insertions(+), 721 deletions(-)
create mode 100644 net/sunrpc/xprtrdma/fmr_ops.c
create mode 100644 net/sunrpc/xprtrdma/frwr_ops.c
create mode 100644 net/sunrpc/xprtrdma/physical_ops.c
--
Chuck Lever
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