locks: add tracepoint in flock codepath

Signed-off-by: Jeff Layton <[email protected]>
laijs · Aug 6, 2018 · c883da3 · c883da3
1 parent 1cf8e5d
commit c883da3
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/fs/locks.c b/fs/locks.c
@@ -990,6 +990,7 @@ static int flock_lock_inode(struct inode *inode, struct file_lock *request)
 	if (new_fl)
 		locks_free_lock(new_fl);
 	locks_dispose_list(&dispose);
+	trace_flock_lock_inode(inode, request, error);
 	return error;
 }
 

diff --git a/include/trace/events/filelock.h b/include/trace/events/filelock.h
@@ -112,8 +112,11 @@ DEFINE_EVENT(filelock_lock, locks_remove_posix,
 		TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
 		TP_ARGS(inode, fl, ret));
 
-DECLARE_EVENT_CLASS(filelock_lease,
+DEFINE_EVENT(filelock_lock, flock_lock_inode,
+		TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
+		TP_ARGS(inode, fl, ret));
 
+DECLARE_EVENT_CLASS(filelock_lease,
 	TP_PROTO(struct inode *inode, struct file_lock *fl),
 
 	TP_ARGS(inode, fl),