@@ -172,6 +172,13 @@ struct svcxprt_rdma {
#define RDMAXPRT_SQ_PENDING 2
#define RDMAXPRT_CONN_PENDING 3
+#define RPCRDMA_MAX_SVC_SEGS (64) /* server max scatter/gather */
+#if RPCSVC_MAXPAYLOAD < (RPCRDMA_MAX_SVC_SEGS << PAGE_SHIFT)
+#define RPCRDMA_MAXPAYLOAD RPCSVC_MAXPAYLOAD
+#else
+#define RPCRDMA_MAXPAYLOAD (RPCRDMA_MAX_SVC_SEGS << PAGE_SHIFT)
+#endif
+
#define RPCRDMA_LISTEN_BACKLOG 10
/* The default ORD value is based on two outstanding full-size writes with a
* page size of 4k, or 32k * 2 ops / 4k = 16 outstanding RDMA_READ. */
@@ -91,7 +91,7 @@ struct svc_xprt_class svc_rdma_class = {
.xcl_name = "rdma",
.xcl_owner = THIS_MODULE,
.xcl_ops = &svc_rdma_ops,
- .xcl_max_payload = RPCSVC_MAXPAYLOAD_RDMA,
+ .xcl_max_payload = RPCRDMA_MAXPAYLOAD,
.xcl_ident = XPRT_TRANSPORT_RDMA,
};
@@ -487,10 +487,4 @@ extern struct kmem_cache *svc_rdma_ctxt_cachep;
/* Workqueue created in svc_rdma.c */
extern struct workqueue_struct *svc_rdma_wq;
-#if RPCSVC_MAXPAYLOAD < (RPCRDMA_MAX_DATA_SEGS << PAGE_SHIFT)
-#define RPCSVC_MAXPAYLOAD_RDMA RPCSVC_MAXPAYLOAD
-#else
-#define RPCSVC_MAXPAYLOAD_RDMA (RPCRDMA_MAX_DATA_SEGS << PAGE_SHIFT)
-#endif
-
#endif /* _LINUX_SUNRPC_XPRT_RDMA_H */
The server and client maximum are architecturally independent. Allow changing one without affecting the other. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> --- include/linux/sunrpc/svc_rdma.h | 7 +++++++ net/sunrpc/xprtrdma/svc_rdma_transport.c | 2 +- net/sunrpc/xprtrdma/xprt_rdma.h | 6 ------ 3 files changed, 8 insertions(+), 7 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html