X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=write_common.c;h=f9560d7f1ee1050439f16459a6fda786647d9250;hp=29a5e532698fb9a6e5c2ce9404cd37c1bd98d985;hb=78882bd94652b156e55e6385a33cd5126c439651;hpb=806fcbb5a8c00d6b8c1a228b9b4d6b6758f613ca

diff --git a/write_common.c b/write_common.c
index 29a5e532..f9560d7f 100644
--- a/write_common.c
+++ b/write_common.c
@@ -21,49 +21,43 @@ struct writer writers[NUM_SUPPORTED_WRITERS] = {WRITER_ARRAY};
 
 static void wng_pre_select(__a_unused struct sched *s, struct task *t)
 {
-	struct writer_node_group *g = t->private_data;
+	struct writer_node_group *g = container_of(t, struct writer_node_group, task);
 	int i;
 
 	FOR_EACH_WRITER_NODE(i, g) {
 		struct writer_node *wn = &g->writer_nodes[i];
-		t->ret = wn->writer->pre_select(s, wn);
-		if (t->ret < 0) {
-			g->error = t->ret;
+		t->error = wn->writer->pre_select(s, wn);
+		if (t->error < 0)
 			return;
-		}
 	}
 }
 
 static void wng_post_select(struct sched *s, struct task *t)
 {
-	struct writer_node_group *g = t->private_data;
+	struct writer_node_group *g = container_of(t, struct writer_node_group, task);
 	int i;
 	size_t min_written = 0;
 
 	FOR_EACH_WRITER_NODE(i, g) {
 		struct writer_node *wn = &g->writer_nodes[i];
-		t->ret = wn->writer->post_select(s, wn);
-		if (t->ret < 0) {
-			g->error = t->ret;
+		t->error = wn->writer->post_select(s, wn);
+		if (t->error < 0)
 			return;
-		}
 		if (!i)
 			min_written = wn->written;
 		else
 			min_written = PARA_MIN(min_written, wn->written);
 	}
-//	PARA_INFO_LOG("loaded: %zd, min_written: %zd bytes\n", *g->loaded, min_written);
+	//PARA_INFO_LOG("loaded: %zd, min_written: %zd bytes\n", *g->loaded, min_written);
 	if (min_written) {
 		*g->loaded -= min_written;
 		FOR_EACH_WRITER_NODE(i, g)
 			g->writer_nodes[i].written -= min_written;
 	}
 	if (!*g->loaded && *g->input_error) {
-		g->error = *g->input_error;
-		t->ret = g->error;
+		t->error = *g->input_error;
 		return;
 	}
-	t->ret = 1;
 	if (*g->loaded && min_written) {
 //		PARA_INFO_LOG("moving %zd bytes\n", *g->loaded);
 		memmove(g->buf, g->buf + min_written, *g->loaded);
@@ -96,7 +90,6 @@ int wng_open(struct writer_node_group *g)
 		g->max_chunk_bytes = PARA_MAX(g->max_chunk_bytes, ret);
 	}
 	sprintf(g->task.status, "%s", "writer node group");
-	g->error = 0;
 	return 1;
 err_out:
 	PARA_ERROR_LOG("%s\n", para_strerror(-ret));
@@ -106,7 +99,6 @@ err_out:
 		wn->writer->close(wn);
 	}
 	g->num_writers = 0;
-	g->error = ret;
 	return ret;
 }
 
@@ -156,7 +148,6 @@ struct writer_node_group *wng_new(unsigned num_writers)
 	g->num_writers = num_writers;
 	g->writer_nodes = para_calloc(num_writers
 		* sizeof(struct writer_node));
-	g->task.private_data = g;
 	g->task.post_select = wng_post_select;
 	g->task.pre_select = wng_pre_select;
 	return g;