Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()

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

diff --git a/lib/ringbuffer/frontend_api.h b/lib/ringbuffer/frontend_api.h
index cc098274f4545b36a06388d582eaaaf3d6dad5f2..13975602380bf02e82979c071969be0eaa56612a 100644 (file)
--- a/lib/ringbuffer/frontend_api.h
+++ b/lib/ringbuffer/frontend_api.h
@@ -31,6 +31,7 @@
 
 #include "../../wrapper/ringbuffer/frontend.h"
 #include <linux/errno.h>
+#include <linux/prefetch.h>
 
 /**
  * lib_ring_buffer_get_cpu - Precedes ring buffer reserve/commit.
@@ -124,14 +125,6 @@ int lib_ring_buffer_try_reserve(const struct lib_ring_buffer_config *config,
         * boundary. It's safe to write.
         */
        *o_end = *o_begin + ctx->slot_size;
-
-       if (unlikely((subbuf_offset(*o_end, chan)) == 0))
-               /*
-                * The offset_end will fall at the very beginning of the next
-                * subbuffer.
-                */
-               return 1;
-
        return 0;
 }