X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-abi.c;h=cc3d4b5bf37765a50f8b8860b28b22e9639a241e;hb=b96080a0f89ea706365d685ad136d1572813451f;hp=9845930d9ebc87bd7e86f0c0bd06eb95317d66da;hpb=8e4b115ba22066b923d36ff230a7c155f59f03de;p=lttng-modules.git

diff --git a/lttng-abi.c b/lttng-abi.c
index 9845930d..cc3d4b5b 100644
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -739,6 +739,21 @@ 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;
 	}