X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=io_u_queue.h;h=118e59342b5da4bd814be51aa7f561d519603838;hp=b702b1f3987578079ad67d42908feaf8f1093a79;hb=9cc8cb91d355d7e47d5b930b352087ec71f85f85;hpb=f8b0bd103ba18def828a0eab5611484486eed566

diff --git a/io_u_queue.h b/io_u_queue.h
index b702b1f3..118e5934 100644
--- a/io_u_queue.h
+++ b/io_u_queue.h
@@ -8,6 +8,7 @@ struct io_u;
 struct io_u_queue {
 	struct io_u **io_us;
 	unsigned int nr;
+	unsigned int max;
 };
 
 static inline struct io_u *io_u_qpop(struct io_u_queue *q)
@@ -25,10 +26,15 @@ static inline struct io_u *io_u_qpop(struct io_u_queue *q)
 
 static inline void io_u_qpush(struct io_u_queue *q, struct io_u *io_u)
 {
-	q->io_us[q->nr++] = io_u;
+	if (q->nr < q->max) {
+		q->io_us[q->nr++] = io_u;
+		return;
+	}
+
+	assert(0);
 }
 
-static inline int io_u_qempty(struct io_u_queue *q)
+static inline int io_u_qempty(const struct io_u_queue *q)
 {
 	return !q->nr;
 }