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| author |   Chuck Lever <chuck.lever@oracle.com> | 2018-02-28 15:30:54 -0500 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2018-04-10 16:06:22 -0400 |
| commit | fb14ae8853e4f0347950f98e604fa2f4f3b3abe1 (patch) | |
| tree | 734f67197f925ed212be6d3b4dea9757dd38bef6 /include/linux/sunrpc/clnt.h | |
| parent | xprtrdma: Reduce number of MRs created by rpcrdma_mrs_create (diff) | |
| download | linux-dev-fb14ae8853e4f0347950f98e604fa2f4f3b3abe1.tar.xz linux-dev-fb14ae8853e4f0347950f98e604fa2f4f3b3abe1.zip | |
xprtrdma: "Support" call-only RPCs
RPC-over-RDMA version 1 credit accounting relies on there being a
response message for every RPC Call. This means that RPC procedures
that have no reply will disrupt credit accounting, just in the same
way as a retransmit would (since it is sent because no reply has
arrived). Deal with the "no reply" case the same way.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'include/linux/sunrpc/clnt.h')
| -rw-r--r-- | include/linux/sunrpc/clnt.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index ed761f751ecb..9b11b6a0978c 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -217,5 +217,12 @@ void rpc_clnt_xprt_switch_add_xprt(struct rpc_clnt *, struct rpc_xprt *); bool rpc_clnt_xprt_switch_has_addr(struct rpc_clnt *clnt, const struct sockaddr *sap); void rpc_cleanup_clids(void); + +static inline int rpc_reply_expected(struct rpc_task *task) +{ + return (task->tk_msg.rpc_proc != NULL) && + (task->tk_msg.rpc_proc->p_decode != NULL); +} + #endif /* __KERNEL__ */ #endif /* _LINUX_SUNRPC_CLNT_H */ |