1 files changed, 1 insertions, 0 deletions

diff --git a/include/litmus/fifo_lock.h b/include/litmus/fifo_lock.h
index 7f13863f11e6..0b2337b42155 100644
--- a/include/litmus/fifo_lock.h
+++ b/include/litmus/fifo_lock.h
@@ -30,6 +30,7 @@ static inline struct fifo_mutex* fifo_mutex_from_lock(struct litmus_lock* lock)
 
 #ifdef CONFIG_LITMUS_DGL_SUPPORT
 int fifo_mutex_is_owner(struct litmus_lock *l, struct task_struct *t);
+struct task_struct* fifo_mutex_get_owner(struct litmus_lock *l);
 int fifo_mutex_dgl_lock(struct litmus_lock *l, dgl_wait_state_t* dgl_wait, wait_queue_t* wq_node);
 void fifo_mutex_enable_priority(struct litmus_lock *l, dgl_wait_state_t* dgl_wait);
 #endif