1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 36ea2b65dcdc..638711c17504 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -842,6 +842,7 @@ static void blk_add_trace_split(void *ignore,
 
 /**
  * blk_add_trace_remap - Add a trace for a remap operation
+ * @ignore:     trace callback data parameter (not used)
  * @q:          queue the io is for
  * @bio:        the source bio
  * @dev:        target device
@@ -873,6 +874,7 @@ static void blk_add_trace_remap(void *ignore,
 
 /**
  * blk_add_trace_rq_remap - Add a trace for a request-remap operation
+ * @ignore:     trace callback data parameter (not used)
  * @q:          queue the io is for
  * @rq:         the source request
  * @dev:        target device