From 4a2a24201a9efb41c8ac1450eb30f1b405b17e92 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Mon, 28 Mar 1994 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1994-03-28

---
 carrera/fns.h | 1 -
 port/qio.c    | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/carrera/fns.h b/carrera/fns.h
index fba6307d42c414d7d9d73026195d496fedb812dd..ffc0af91a9d53fcc6baf9632a7f90dac7c7a2362 100644
--- a/carrera/fns.h
+++ b/carrera/fns.h
@@ -137,4 +137,3 @@ Block*	iallocb(int);
 void*	ifroute(ulong);
 ulong	ifunroute(ulong);
 void	parseip(char*, char*);
-
diff --git a/port/qio.c b/port/qio.c
index 748582e21a6c66f9841a6dbadf227d539118d143..1b7a24a22533f254fdc32ad3234c0bde5d49dd63 100644
--- a/port/qio.c
+++ b/port/qio.c
@@ -435,7 +435,7 @@ checkb(b, "qread 1");
 	q->len -= n;
 
 	/* if writer flow controlled, restart */
-	if((q->state & Qflow) && q->len < q->limit){
+	if((q->state & Qflow) && q->len < q->limit/2){
 		q->state &= ~Qflow;
 		dowakeup = 1;
 	} else