X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-events.h;h=64a1ac56777f5a141c012b758a449e34fed16627;hb=7df57eb5d6bdc85ddcf2b9afb6cd0cacfb22096e;hp=e1de1af8974da959230ab8f1920d92f290f2a23b;hpb=16f78f3ad7dea4a0b442b8c7e0de01935f28e656;p=lttng-modules.git

diff --git a/lttng-events.h b/lttng-events.h
index e1de1af8..64a1ac56 100644
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -311,6 +311,7 @@ struct lttng_metadata_stream {
 	wait_queue_head_t read_wait;	/* Reader buffer-level wait queue */
 	struct list_head list;		/* Stream list */
 	struct lttng_transport *transport;
+	struct mutex lock;
 };
 
 struct lttng_session {
@@ -332,6 +333,7 @@ struct lttng_metadata_cache {
 	unsigned int metadata_written;	/* Number of bytes written in metadata cache */
 	struct kref refcount;		/* Metadata cache usage */
 	struct list_head metadata_stream;	/* Metadata stream list */
+	uuid_le uuid;			/* Trace session unique ID (copy) */
 };
 
 struct lttng_session *lttng_session_create(void);