X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lib%2Fringbuffer%2Fring_buffer_frontend.c;h=dc1ee450a4eb8dad6bf8f9ecff4332c65ae460d6;hb=67e891fbe09d8bf262c8aefe15467446a20721db;hp=8b15ec7a2417f0062d98b9b3676799dd76152e58;hpb=618235ee8c9c72a7b0590d7fc58681760d569cec;p=lttng-modules.git

diff --git a/lib/ringbuffer/ring_buffer_frontend.c b/lib/ringbuffer/ring_buffer_frontend.c
index 8b15ec7a..dc1ee450 100644
--- a/lib/ringbuffer/ring_buffer_frontend.c
+++ b/lib/ringbuffer/ring_buffer_frontend.c
@@ -1830,12 +1830,20 @@ static void _lib_ring_buffer_switch_remote(struct lib_ring_buffer *buf,
 	put_online_cpus();
 }
 
+/* Switch sub-buffer if current sub-buffer is non-empty. */
 void lib_ring_buffer_switch_remote(struct lib_ring_buffer *buf)
 {
 	_lib_ring_buffer_switch_remote(buf, SWITCH_ACTIVE);
 }
 EXPORT_SYMBOL_GPL(lib_ring_buffer_switch_remote);
 
+/* Switch sub-buffer even if current sub-buffer is empty. */
+void lib_ring_buffer_switch_remote_empty(struct lib_ring_buffer *buf)
+{
+	_lib_ring_buffer_switch_remote(buf, SWITCH_FLUSH);
+}
+EXPORT_SYMBOL_GPL(lib_ring_buffer_switch_remote_empty);
+
 /*
  * Returns :
  * 0 if ok