X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-abi.c;h=196aed84e421fa96708e13e247aee2277b255485;hb=1150bcb59992634f385fe65cd83bce4a8003f094;hp=bdc6c7660601761bc42b999a3e99b5515916e6e2;hpb=54f9f68d26153dad8813721793b7211c82216efb;p=lttng-modules.git

diff --git a/lttng-abi.c b/lttng-abi.c
index bdc6c766..196aed84 100644
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -684,6 +684,21 @@ long lttng_metadata_ring_buffer_compat_ioctl(struct file *filp,
 		 */
 		return -ENOSYS;
 	}
+	case RING_BUFFER_FLUSH:
+	{
+		struct lttng_metadata_stream *stream = filp->private_data;
+		struct lib_ring_buffer *buf = stream->priv;
+		struct channel *chan = buf->backend.chan;
+
+		/*
+		 * Before doing the actual ring buffer flush, write up to one
+		 * packet of metadata in the ring buffer.
+		 */
+		ret = lttng_metadata_output_channel(stream, chan);
+		if (ret < 0)
+			goto err;
+		break;
+	}
 	default:
 		break;
 	}