X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=libringbuffer%2Fbackend_internal.h;h=df3617cacd76dccdd756d870cf56d0e477b8f387;hb=883c87320594878c1276e5ea4d0a4ab73f611542;hp=344784feccde9e5cb042175216840c46ba1aa57d;hpb=5ea386c3b8e3566ec0b6710c82aae433de4d944a;p=lttng-ust.git

diff --git a/libringbuffer/backend_internal.h b/libringbuffer/backend_internal.h
index 344784fe..df3617ca 100644
--- a/libringbuffer/backend_internal.h
+++ b/libringbuffer/backend_internal.h
@@ -310,6 +310,14 @@ unsigned long subbuffer_get_data_size(
 	return shmp(handle, pages->shmp)->data_size;
 }
 
+static inline
+void subbuffer_inc_packet_count(const struct lttng_ust_lib_ring_buffer_config *config,
+		struct lttng_ust_lib_ring_buffer_backend *bufb,
+		unsigned long idx, struct lttng_ust_shm_handle *handle)
+{
+	shmp_index(handle, bufb->buf_cnt, idx)->seq_cnt++;
+}
+
 /**
  * lib_ring_buffer_clear_noref - Clear the noref subbuffer flag, called by
  *                               writer.
@@ -485,7 +493,7 @@ static inline int lttng_ust_fls(unsigned int x)
 		r -= 2;
 	}
 	if (!(x & 0x80000000U)) {
-		x <<= 1;
+		/* No need to bit shift on last operation */
 		r -= 1;
 	}
 	return r;