X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=buffer_tree.c;h=23599b834a26e31adda87ecdb49da7238b0d1d10;hp=022a4118a76d0191d197b5cda6bc64b77eff924c;hb=5496ca9d07ede9aaa3afd86b60cdf16ed8ccca2b;hpb=aa234b7afe223879a7bd7274ce05a3a315a2ec49

diff --git a/buffer_tree.c b/buffer_tree.c
index 022a4118..23599b83 100644
--- a/buffer_tree.c
+++ b/buffer_tree.c
@@ -412,18 +412,25 @@ void btr_log_tree(struct btr_node *btrn, int loglevel)
 /** 640K ought to be enough for everybody ;) */
 #define BTRN_MAX_PENDING (640 * 1024)
 
-int btr_node_status(struct btr_node *btrn, size_t min_iqs)
+int btr_node_status(struct btr_node *btrn, size_t min_iqs,
+	enum btr_node_type type)
 {
 	size_t iqs;
 
-	if (btr_eof(btrn))
-		return -E_BTR_EOF;
-	if (btr_bytes_pending(btrn) > BTRN_MAX_PENDING)
-		return 0;
-	iqs = btr_get_input_queue_size(btrn);
-	if (iqs == 0) /* we have a parent, because not eof */
-		return 0;
-	if (iqs < min_iqs && !btr_no_parent(btrn))
-		return 0;
+	if (type != BTR_NT_LEAF) {
+		if (btr_no_children(btrn))
+			return -E_BTR_NO_CHILD;
+		if (btr_bytes_pending(btrn) > BTRN_MAX_PENDING)
+			return 0;
+	}
+	if (type != BTR_NT_ROOT) {
+		if (btr_eof(btrn))
+			return -E_BTR_EOF;
+		iqs = btr_get_input_queue_size(btrn);
+		if (iqs == 0) /* we have a parent, because not eof */
+			return 0;
+		if (iqs < min_iqs && !btr_no_parent(btrn))
+			return 0;
+	}
 	return 1;
 }