SUNRPC: Clear rq_xid when receiving a new RPC Call

This is an eye-catcher for tracepoints that record the XID: it means
svc_rqst() has not received a full RPC Call with an XID yet.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index e3952b690f54ff666cfacddb52a8b4e0f7b76241..3b9708b39e352abdc40e9de23fd19712b1604f06 100644 (file)
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -701,6 +701,8 @@ static int svc_alloc_arg(struct svc_rqst *rqstp)
        arg->page_len = (pages-2)*PAGE_SIZE;
        arg->len = (pages-1)*PAGE_SIZE;
        arg->tail[0].iov_len = 0;
+
+       rqstp->rq_xid = xdr_zero;
        return 0;
 }