This is a set of patches I've been toying with to get better
responsiveness from a client when a transport remains connected but
the server is not returning RPC replies.
The approach I've taken is to disable RPC_TASK_NO_RETRANS_TIMEOUT
for a few particular operations to enable them to time out even
though the connection is still operational. It could be
appropriate to take this approach for any idempotent operation
that cannot be killed with a ^C.
Changes since RFC:
- Dropped changes to async lease renewal and DESTROY_SESSION|CLIENTID
- Cleaned up some tracepoint issues I found along the way
---
Chuck Lever (6):
SUNRPC: Refactor rpc_ping()
SUNRPC: Unset RPC_TASK_NO_RETRANS_TIMEOUT for NULL RPCs
SUNRPC: Remove unneeded TRACE_DEFINE_ENUMs
SUNRPC: Update trace flags
SUNRPC: xprt_retransmit() displays the the NULL procedure incorrectly
SUNRPC: Record timeout value in xprt_retransmit tracepoint
include/trace/events/sunrpc.h | 51 ++++++++---------------------------
net/sunrpc/clnt.c | 33 ++++++++++++++++-------
2 files changed, 35 insertions(+), 49 deletions(-)
--
Chuck Lever
