Introduce btr_node_status() and add btr support to the file writer.
[paraslash.git] / amp_filter.c
index c0835f806ad322480cb38e7ca851b1ef78b3e366..101224649f93936b163d148d0928bbbc2f23d0fd 100644 (file)
@@ -116,14 +116,18 @@ static void amp_post_select(__a_unused struct sched *s, struct task *t)
                return;
        }
 next_buffer:
-       ret = prepare_filter_node(fn);
-       in_bytes = btr_next_buffer(btrn, (char **)&in);
+       ret = btr_node_status(btrn, fn->min_iqs);
        if (ret < 0)
                goto err;
-       len = in_bytes / 2;
-       /* len == 0 happens if eof and in_bytes == 1. */
-       if (ret == 0 || len == 0)
+       if (ret == 0)
                return;
+       btr_merge(btrn, fn->min_iqs);
+       in_bytes = btr_next_buffer(btrn, (char **)&in);
+       len = in_bytes / 2;
+       if (len == 0) { /* eof and in_bytes == 1 */
+               ret = -E_AMP_EOF;
+               goto err;
+       }
 
        if (inplace)
                out = in;