diff options
Diffstat (limited to 'include/trace/events/writeback.h')
| -rw-r--r-- | include/trace/events/writeback.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index c7bbbe794e65..cee02d65ab3f 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -4,6 +4,7 @@ #if !defined(_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_WRITEBACK_H +#include <linux/tracepoint.h> #include <linux/backing-dev.h> #include <linux/writeback.h> @@ -287,11 +288,11 @@ TRACE_EVENT(writeback_queue_io, __field(int, reason) ), TP_fast_assign( - unsigned long older_than_this = work->older_than_this; + unsigned long *older_than_this = work->older_than_this; strncpy(__entry->name, dev_name(wb->bdi->dev), 32); - __entry->older = older_than_this; + __entry->older = older_than_this ? *older_than_this : 0; __entry->age = older_than_this ? - (jiffies - older_than_this) * 1000 / HZ : -1; + (jiffies - *older_than_this) * 1000 / HZ : -1; __entry->moved = moved; __entry->reason = work->reason; ), |