hjfs: simplify dprinting

1 files changed, 8 insertions, 3 deletions

diff --git a/sys/src/cmd/hjfs/main.c b/sys/src/cmd/hjfs/main.c
index 947032723..49b41f006 100644
--- a/sys/src/cmd/hjfs/main.c
+++ b/sys/src/cmd/hjfs/main.c
@@ -65,12 +65,17 @@ Fs *fsmain;
 int
 dprint(char *fmt, ...)
 {
+	static char buf[2048];
+	static QLock lk;
 	va_list va;
 	int rc;
-	
+
+	qlock(lk);
 	va_start(va, fmt);
-	rc = vfprint(2, fmt, va);
+	snprint(buf, 2048, "hjfs: %s", fmt);
+	rc = vfprint(2, buf, va);
 	va_end(va);
+	qunlock(lk);
 	return rc;
 }
 
@@ -149,7 +154,7 @@ shutdown(void)
 {
 	wlock(fsmain);
 	sync(1);
-	dprint("hjfs: ending\n");
+	dprint("ending\n");
 	sleep(1000);
 	sync(1);
 	threadexitsall(nil);