1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index b7cd8f1eedbe..e3ef903aae88 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -121,6 +121,7 @@ struct blk_trace {
         int trace_state;
         struct rchan *rchan;
         unsigned long *sequence;
+        unsigned char *msg_data;
         u16 act_mask;
         u64 start_lba;
         u64 end_lba;
@@ -172,7 +173,7 @@ extern void __trace_note_message(struct blk_trace *, const char *fmt, ...);
                 if (unlikely(bt))                                       \
                         __trace_note_message(bt, fmt, ##__VA_ARGS__);   \
         } while (0)
-#define BLK_TN_MAX_MSG          1024
+#define BLK_TN_MAX_MSG          128
 
 /**
  * blk_add_trace_rq - Add a trace for a request oriented action