Add buddy_reqs_next_ready / buddy_reqs_done

src/buddy.h

@@ -821,6 +821,24 @@ _buddy_get_off_extent(const struct buddy_reqs *reqs, uint8_t n)
 	return (off);
 }
 
+static inline uint8_t
+buddy_reqs_next_ready(struct buddy_reqs *reqs)
+{
+	(void) BUDDYF(alloc_async_ready)(reqs);
+	assert(reqs->i_wait.finid >= reqs->i_wait.next);
+	return (reqs->i_wait.finid - reqs->i_wait.next);
+}
+
+static inline int
+buddy_reqs_done(struct buddy_reqs *reqs)
+{
+	uint8_t rdy;
+
+	rdy = BUDDYF(alloc_async_ready)(reqs);
+	assert(rdy <= reqs->n);
+	return (rdy == reqs->n);
+}
+
 #ifndef FREEPAGE_WHEN
 static inline struct buddy_off_extent
 buddy_get_off_extent(const struct buddy_reqs *reqs, uint8_t n)