Fix metadata buffer wait/wakeup

[lttng-modules.git] / lib / ringbuffer / frontend_types.h

diff --git a/lib/ringbuffer/frontend_types.h b/lib/ringbuffer/frontend_types.h
index 283a254f2a61dccc0725b1d9d03d546838fe1ee4..5c7437f8127b903ca5acade4623d0bf3af689ea7 100644 (file)
--- a/lib/ringbuffer/frontend_types.h
+++ b/lib/ringbuffer/frontend_types.h
@@ -129,6 +129,7 @@ struct lib_ring_buffer {
        union v_atomic records_count;   /* Number of records written */
        union v_atomic records_overrun; /* Number of overwritten records */
        wait_queue_head_t read_wait;    /* reader buffer-level wait queue */
+       wait_queue_head_t write_wait;   /* writer buffer-level wait queue (for metadata only) */
        int finalized;                  /* buffer has been finalized */
        struct timer_list switch_timer; /* timer for periodical switch */
        struct timer_list read_timer;   /* timer for read poll */