[PATCH] locks: add tracepoint in flock codepath

From: Jeff Layton
Date: Mon Aug 06 2018 - 14:06:21 EST


Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/locks.c | 1 +
include/trace/events/filelock.h | 5 ++++-
2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/fs/locks.c b/fs/locks.c
index e533623e2e99..6138a9bcd924 100644
--- 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
index d1faf3597b9d..68b17c116907 100644
--- 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),
--
2.17.1