1 files changed, 21 insertions, 0 deletions

diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h
index 070df49e4a1d..c1d1f3eb242d 100644
--- a/include/trace/events/jbd2.h
+++ b/include/trace/events/jbd2.h
@@ -358,6 +358,27 @@ TRACE_EVENT(jbd2_write_superblock,
                   MINOR(__entry->dev), __entry->write_op)
 );
 
+TRACE_EVENT(jbd2_lock_buffer_stall,
+
+        TP_PROTO(dev_t dev, unsigned long stall_ms),
+
+        TP_ARGS(dev, stall_ms),
+
+        TP_STRUCT__entry(
+                __field(        dev_t, dev      )
+                __field(unsigned long, stall_ms )
+        ),
+
+        TP_fast_assign(
+                __entry->dev            = dev;
+                __entry->stall_ms       = stall_ms;
+        ),
+
+        TP_printk("dev %d,%d stall_ms %lu",
+                MAJOR(__entry->dev), MINOR(__entry->dev),
+                __entry->stall_ms)
+);
+
 #endif /* _TRACE_JBD2_H */
 
 /* This part must be outside protection */