X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-abi.c;h=196aed84e421fa96708e13e247aee2277b255485;hb=1150bcb59992634f385fe65cd83bce4a8003f094;hp=6993a46fb740039d22a647d1b13fef567b70dbc6;hpb=9a0aa3b1fd7f693fc14b29cce9eb07cd275b0347;p=lttng-modules.git

diff --git a/lttng-abi.c b/lttng-abi.c
index 6993a46f..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;
 	}
@@ -1234,8 +1249,8 @@ int lttng_metadata_channel_release(struct inode *inode, struct file *file)
 	struct lttng_channel *channel = file->private_data;
 
 	if (channel) {
-		lttng_metadata_channel_destroy(channel);
 		fput(channel->session->file);
+		lttng_metadata_channel_destroy(channel);
 	}
 
 	return 0;