Fix: remove adjustment on written var for metadata

[lttng-tools.git] / src / common / consumer.c

diff --git a/src/common/consumer.c b/src/common/consumer.c
index 761ce93753667f1b93d6f151c93a68d014855e7f..0e33bea72e96b4c6a7c35fd82ec9e1cfb9bb82da 100644 (file)
--- a/src/common/consumer.c
+++ b/src/common/consumer.c
@@ -1095,7 +1095,11 @@ end:
 }
 
 /*
- * Mmap the ring buffer, read it and write the data to the tracefile.
+ * Mmap the ring buffer, read it and write the data to the tracefile. This is a
+ * core function for writing trace buffers to either the local filesystem or
+ * the network.
+ *
+ * Careful review MUST be put if any changes occur!
  *
  * Returns the number of bytes written
  */
@@ -1168,12 +1172,6 @@ ssize_t lttng_consumer_on_read_subbuffer_mmap(
                                        written = ret;
                                        goto end;
                                }
-
-                               /*
-                                * We do this so the return value can match the len passed as
-                                * argument to this function.
-                                */
-                               written -= sizeof(stream->relayd_stream_id);
                        }
                }
                /* Else, use the default set before which is the filesystem. */