SUNRPC: requeue tcp socket less frequently
Don't requeue the socket in some cases where we know it's unnecessary.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index b7d435c..7a3e4bf 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -965,7 +965,6 @@
goto err_again; /* record not complete */
}
len = svsk->sk_reclen;
- set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
return len;
error:
@@ -1115,6 +1114,10 @@
/* Reset TCP read info */
svsk->sk_reclen = 0;
svsk->sk_tcplen = 0;
+ /* If we have more data, signal svc_xprt_enqueue() to try again */
+ if (svc_recv_available(svsk) > sizeof(rpc_fraghdr))
+ set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
+
svc_xprt_copy_addrs(rqstp, &svsk->sk_xprt);
if (serv->sv_stats)