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-rw-r--r--kernel/trace/blktrace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 36ea2b65dcd..638711c1750 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