Make dept able to track dependencies by swaits.
Signed-off-by: Byungchul Park byungchul@sk.com --- include/linux/swait.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/include/linux/swait.h b/include/linux/swait.h index d324419482a0..277ac74f61c3 100644 --- a/include/linux/swait.h +++ b/include/linux/swait.h @@ -6,6 +6,7 @@ #include <linux/stddef.h> #include <linux/spinlock.h> #include <linux/wait.h> +#include <linux/dept_sdt.h> #include <asm/current.h>
/* @@ -161,6 +162,7 @@ extern void finish_swait(struct swait_queue_head *q, struct swait_queue *wait); struct swait_queue __wait; \ long __ret = ret; \ \ + sdt_might_sleep_start(NULL); \ INIT_LIST_HEAD(&__wait.task_list); \ for (;;) { \ long __int = prepare_to_swait_event(&wq, &__wait, state);\ @@ -176,6 +178,7 @@ extern void finish_swait(struct swait_queue_head *q, struct swait_queue *wait); cmd; \ } \ finish_swait(&wq, &__wait); \ + sdt_might_sleep_end(); \ __out: __ret; \ })