505 	BUG_ON(sh->batch_head);  in init_stripe()
794 	if (sh->batch_head)  in stripe_add_to_batch_list()
804 	if (head->batch_head) {  in stripe_add_to_batch_list()
805 		spin_lock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
808 			spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
818 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
825 		spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
827 		head->batch_head = head;  in stripe_add_to_batch_list()
828 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
841 		if (test_bit(STRIPE_BIT_DELAY, &sh->batch_head->state) &&  in stripe_add_to_batch_list()
842 		    sh->batch_head->bm_seq > seq)  in stripe_add_to_batch_list()
843 			seq = sh->batch_head->bm_seq;  in stripe_add_to_batch_list()
844 		set_bit(STRIPE_BIT_DELAY, &sh->batch_head->state);  in stripe_add_to_batch_list()
845 		sh->batch_head->bm_seq = seq;  in stripe_add_to_batch_list()
1220 		if (!head_sh->batch_head)  in ops_run_io()
1339 	BUG_ON(sh->batch_head);  in ops_run_biofill()
1428 	BUG_ON(sh->batch_head);  in ops_run_compute5()
1511 	BUG_ON(sh->batch_head);  in ops_run_compute6_1()
1570 	BUG_ON(sh->batch_head);  in ops_run_compute6_2()
1690 	BUG_ON(sh->batch_head);  in ops_run_prexor5()
1787 			if (head_sh->batch_head) {  in ops_run_biodrain()
1907 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct5()
1975 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct6()
2022 	BUG_ON(sh->batch_head);  in ops_run_check_p()
2051 	BUG_ON(sh->batch_head);  in ops_run_check_pq()
2126 	if (overlap_clear && !sh->batch_head)  in raid_run_ops()
2663 	if (sh->batch_head && bi->bi_status && !replacement)  in raid5_end_write_request()
2664 		set_bit(STRIPE_BATCH_ERR, &sh->batch_head->state);  in raid5_end_write_request()
2672 	if (sh->batch_head && sh != sh->batch_head)  in raid5_end_write_request()
2673 		raid5_release_stripe(sh->batch_head);  in raid5_end_write_request()
3212 	if (sh->batch_head)  in add_stripe_bio()
3306 		if (!sh->batch_head) {  in add_stripe_bio()
3346 	BUG_ON(sh->batch_head);  in handle_failed_stripe()
3461 	BUG_ON(sh->batch_head);  in handle_failed_sync()
3628 		BUG_ON(sh->batch_head);  in fetch_block()
3784 				if (head_sh->batch_head) {  in handle_stripe_clean_event()
3822 		if (head_sh->batch_head) {  in handle_stripe_clean_event()
3839 	if (head_sh->batch_head && do_endio)  in handle_stripe_clean_event()
4031 	BUG_ON(sh->batch_head);  in handle_parity_checks5()
4127 	BUG_ON(sh->batch_head);  in handle_parity_checks6()
4296 	BUG_ON(sh->batch_head);  in handle_stripe_expansion()
4369 	s->expanding = test_bit(STRIPE_EXPAND_SOURCE, &sh->state) && !sh->batch_head;  in analyse_stripe()
4370 	s->expanded = test_bit(STRIPE_EXPAND_READY, &sh->state) && !sh->batch_head;  in analyse_stripe()
4562 		return (sh->batch_head && sh->batch_head != sh);  in clear_batch_ready()
4564 	if (!sh->batch_head) {  in clear_batch_ready()
4573 	if (sh->batch_head != sh) {  in clear_batch_ready()
4628 		sh->batch_head = NULL;  in break_stripe_batch_list()
4642 	head_sh->batch_head = NULL;  in break_stripe_batch_list()
4679 	if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state) && !sh->batch_head) {  in handle_stripe()
5718 			if ((!sh->batch_head || sh == sh->batch_head) &&  in raid5_make_request()