496 	BUG_ON(sh->batch_head);  in init_stripe()
789 	if (sh->batch_head)  in stripe_add_to_batch_list()
799 	if (head->batch_head) {  in stripe_add_to_batch_list()
800 		spin_lock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
803 			spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
813 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
820 		spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
822 		head->batch_head = head;  in stripe_add_to_batch_list()
823 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
836 		if (test_bit(STRIPE_BIT_DELAY, &sh->batch_head->state) &&  in stripe_add_to_batch_list()
837 		    sh->batch_head->bm_seq > seq)  in stripe_add_to_batch_list()
838 			seq = sh->batch_head->bm_seq;  in stripe_add_to_batch_list()
839 		set_bit(STRIPE_BIT_DELAY, &sh->batch_head->state);  in stripe_add_to_batch_list()
840 		sh->batch_head->bm_seq = seq;  in stripe_add_to_batch_list()
1215 		if (!head_sh->batch_head)  in ops_run_io()
1334 	BUG_ON(sh->batch_head);  in ops_run_biofill()
1417 	BUG_ON(sh->batch_head);  in ops_run_compute5()
1500 	BUG_ON(sh->batch_head);  in ops_run_compute6_1()
1559 	BUG_ON(sh->batch_head);  in ops_run_compute6_2()
1679 	BUG_ON(sh->batch_head);  in ops_run_prexor5()
1776 			if (head_sh->batch_head) {  in ops_run_biodrain()
1896 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct5()
1964 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct6()
2011 	BUG_ON(sh->batch_head);  in ops_run_check_p()
2040 	BUG_ON(sh->batch_head);  in ops_run_check_pq()
2115 	if (overlap_clear && !sh->batch_head)  in raid_run_ops()
2658 	if (sh->batch_head && bi->bi_status && !replacement)  in raid5_end_write_request()
2659 		set_bit(STRIPE_BATCH_ERR, &sh->batch_head->state);  in raid5_end_write_request()
2667 	if (sh->batch_head && sh != sh->batch_head)  in raid5_end_write_request()
2668 		raid5_release_stripe(sh->batch_head);  in raid5_end_write_request()
3219 	if (sh->batch_head)  in add_stripe_bio()
3313 		if (!sh->batch_head) {  in add_stripe_bio()
3353 	BUG_ON(sh->batch_head);  in handle_failed_stripe()
3468 	BUG_ON(sh->batch_head);  in handle_failed_sync()
3635 		BUG_ON(sh->batch_head);  in fetch_block()
3791 				if (head_sh->batch_head) {  in handle_stripe_clean_event()
3829 		if (head_sh->batch_head) {  in handle_stripe_clean_event()
3846 	if (head_sh->batch_head && do_endio)  in handle_stripe_clean_event()
4038 	BUG_ON(sh->batch_head);  in handle_parity_checks5()
4134 	BUG_ON(sh->batch_head);  in handle_parity_checks6()
4311 	BUG_ON(sh->batch_head);  in handle_stripe_expansion()
4384 	s->expanding = test_bit(STRIPE_EXPAND_SOURCE, &sh->state) && !sh->batch_head;  in analyse_stripe()
4385 	s->expanded = test_bit(STRIPE_EXPAND_READY, &sh->state) && !sh->batch_head;  in analyse_stripe()
4577 		return (sh->batch_head && sh->batch_head != sh);  in clear_batch_ready()
4579 	if (!sh->batch_head) {  in clear_batch_ready()
4588 	if (sh->batch_head != sh) {  in clear_batch_ready()
4642 		sh->batch_head = NULL;  in break_stripe_batch_list()
4656 	head_sh->batch_head = NULL;  in break_stripe_batch_list()
4693 	if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state) && !sh->batch_head) {  in handle_stripe()
5729 			if (!sh->batch_head)  in raid5_make_request()
5732 			if ((!sh->batch_head || sh == sh->batch_head) &&  in raid5_make_request()