15  * Used to set current->delays->flags
79 	if (p->delays)  in delayacct_is_task_waiting_on_io()
80 		return (p->delays->flags & DELAYACCT_PF_BLKIO);  in delayacct_is_task_waiting_on_io()
87 	if (current->delays)  in delayacct_set_flag()
88 		current->delays->flags |= flag;  in delayacct_set_flag()
93 	if (current->delays)  in delayacct_clear_flag()
94 		current->delays->flags &= ~flag;  in delayacct_clear_flag()
100 	tsk->delays = NULL;  in delayacct_tsk_init()
105 /* Free tsk->delays. Called from bad fork and __put_task_struct
106  * where there's no risk of tsk->delays being accessed elsewhere
110 	if (tsk->delays)  in delayacct_tsk_free()
111 		kmem_cache_free(delayacct_cache, tsk->delays);  in delayacct_tsk_free()
112 	tsk->delays = NULL;  in delayacct_tsk_free()
118 	if (current->delays)  in delayacct_blkio_start()
124 	if (p->delays)  in delayacct_blkio_end()
132 	if (!delayacct_on || !tsk->delays)  in delayacct_add_tsk()
139 	if (tsk->delays)  in delayacct_blkio_ticks()
146 	if (current->delays)  in delayacct_freepages_start()
152 	if (current->delays)  in delayacct_freepages_end()
158 	if (current->delays)  in delayacct_thrashing_start()
164 	if (current->delays)  in delayacct_thrashing_end()