527 	BUG_ON(sh->batch_head);  in init_stripe()
805 	if (sh->batch_head)  in stripe_add_to_batch_list()
814 	if (head->batch_head) {  in stripe_add_to_batch_list()
815 		spin_lock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
818 			spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
827 		spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
829 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
831 		head->batch_head = head;  in stripe_add_to_batch_list()
832 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
845 		if (test_bit(STRIPE_BIT_DELAY, &sh->batch_head->state) &&  in stripe_add_to_batch_list()
846 		    sh->batch_head->bm_seq > seq)  in stripe_add_to_batch_list()
847 			seq = sh->batch_head->bm_seq;  in stripe_add_to_batch_list()
848 		set_bit(STRIPE_BIT_DELAY, &sh->batch_head->state);  in stripe_add_to_batch_list()
849 		sh->batch_head->bm_seq = seq;  in stripe_add_to_batch_list()
1098 		if (!head_sh->batch_head)  in ops_run_io()
1217 	BUG_ON(sh->batch_head);  in ops_run_biofill()
1306 	BUG_ON(sh->batch_head);  in ops_run_compute5()
1383 	BUG_ON(sh->batch_head);  in ops_run_compute6_1()
1442 	BUG_ON(sh->batch_head);  in ops_run_compute6_2()
1555 	BUG_ON(sh->batch_head);  in ops_run_prexor5()
1642 			if (head_sh->batch_head) {  in ops_run_biodrain()
1758 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct5()
1826 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct6()
1873 	BUG_ON(sh->batch_head);  in ops_run_check_p()
1902 	BUG_ON(sh->batch_head);  in ops_run_check_pq()
1974 	if (overlap_clear && !sh->batch_head)  in raid_run_ops()
2474 	if (sh->batch_head && bi->bi_error && !replacement)  in raid5_end_write_request()
2475 		set_bit(STRIPE_BATCH_ERR, &sh->batch_head->state);  in raid5_end_write_request()
2482 	if (sh->batch_head && sh != sh->batch_head)  in raid5_end_write_request()
2483 		raid5_release_stripe(sh->batch_head);  in raid5_end_write_request()
2972 	if (sh->batch_head)  in add_stripe_bio()
3035 		if (!sh->batch_head) {  in add_stripe_bio()
3076 	BUG_ON(sh->batch_head);  in handle_failed_stripe()
3198 	BUG_ON(sh->batch_head);  in handle_failed_sync()
3363 		BUG_ON(sh->batch_head);  in fetch_block()
3494 				if (head_sh->batch_head) {  in handle_stripe_clean_event()
3534 		if (head_sh->batch_head) {  in handle_stripe_clean_event()
3551 	if (head_sh->batch_head && do_endio)  in handle_stripe_clean_event()
3692 	BUG_ON(sh->batch_head);  in handle_parity_checks5()
3783 	BUG_ON(sh->batch_head);  in handle_parity_checks6()
3947 	BUG_ON(sh->batch_head);  in handle_stripe_expansion()
4020 	s->expanding = test_bit(STRIPE_EXPAND_SOURCE, &sh->state) && !sh->batch_head;  in analyse_stripe()
4021 	s->expanded = test_bit(STRIPE_EXPAND_READY, &sh->state) && !sh->batch_head;  in analyse_stripe()
4202 		return (sh->batch_head && sh->batch_head != sh);  in clear_batch_ready()
4204 	if (!sh->batch_head) {  in clear_batch_ready()
4213 	if (sh->batch_head != sh) {  in clear_batch_ready()
4271 		sh->batch_head = NULL;  in break_stripe_batch_list()
4279 	head_sh->batch_head = NULL;  in break_stripe_batch_list()
4316 	if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state) && !sh->batch_head) {  in handle_stripe()
5305 			if ((!sh->batch_head || sh == sh->batch_head) &&  in make_request()