[RFC PATCH 0/5] bh-safe lock removal for SUNRPC

[Trond Myklebust <trondmy@gmail.com>]

This patchset aims to remove the bh-safe locks on the client side.
At this time it should be seen as a toy/strawman effort in order to
help the community figure out whether or not there are setups out
there that are actually seeing performance bottlenecks resulting
from taking bh-safe locks inside other spinlocks.

Trond Myklebust (5):
  SUNRPC: Replace the queue timer with a delayed work function
  SUNRPC: Replace direct task wakeups from softirq context
  SUNRPC: Remove the bh-safe lock requirement on xprt->transport_lock
  SUNRPC: Remove the bh-safe lock requirement on the
    rpc_wait_queue->lock
  SUNRPC: Reduce the priority of the xprtiod queue

 include/linux/sunrpc/sched.h               |   3 +-
 include/linux/sunrpc/xprtsock.h            |   5 +
 net/sunrpc/sched.c                         |  76 +++++++++-------
 net/sunrpc/xprt.c                          |  61 ++++++-------
 net/sunrpc/xprtrdma/rpc_rdma.c             |   4 +-
 net/sunrpc/xprtrdma/svc_rdma_backchannel.c |   4 +-
 net/sunrpc/xprtrdma/svc_rdma_transport.c   |   8 +-
 net/sunrpc/xprtsock.c                      | 101 +++++++++++++++++----
 8 files changed, 168 insertions(+), 94 deletions(-)

-- 
2.21.0