588 	BUG_ON(sh->batch_head);  in init_stripe()
951 	if (sh->batch_head)  in stripe_add_to_batch_list()
961 	if (head->batch_head) {  in stripe_add_to_batch_list()
962 		spin_lock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
965 			spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
975 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
982 		spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
984 		head->batch_head = head;  in stripe_add_to_batch_list()
985 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
998 		if (test_bit(STRIPE_BIT_DELAY, &sh->batch_head->state) &&  in stripe_add_to_batch_list()
999 		    sh->batch_head->bm_seq > seq)  in stripe_add_to_batch_list()
1000 			seq = sh->batch_head->bm_seq;  in stripe_add_to_batch_list()
1001 		set_bit(STRIPE_BIT_DELAY, &sh->batch_head->state);  in stripe_add_to_batch_list()
1002 		sh->batch_head->bm_seq = seq;  in stripe_add_to_batch_list()
1349 		if (!head_sh->batch_head)  in ops_run_io()
1471 	BUG_ON(sh->batch_head);  in ops_run_biofill()
1566 	BUG_ON(sh->batch_head);  in ops_run_compute5()
1664 	BUG_ON(sh->batch_head);  in ops_run_compute6_1()
1728 	BUG_ON(sh->batch_head);  in ops_run_compute6_2()
1861 	BUG_ON(sh->batch_head);  in ops_run_prexor5()
1969 			if (head_sh->batch_head) {  in ops_run_biodrain()
2098 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct5()
2170 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct6()
2220 	BUG_ON(sh->batch_head);  in ops_run_check_p()
2254 	BUG_ON(sh->batch_head);  in ops_run_check_pq()
2329 	if (overlap_clear && !sh->batch_head) {  in raid_run_ops()
2896 	if (sh->batch_head && bi->bi_status && !replacement)  in raid5_end_write_request()
2897 		set_bit(STRIPE_BATCH_ERR, &sh->batch_head->state);  in raid5_end_write_request()
2904 	if (sh->batch_head && sh != sh->batch_head)  in raid5_end_write_request()
2905 		raid5_release_stripe(sh->batch_head);  in raid5_end_write_request()
3443 	if (sh->batch_head)  in stripe_bio_overlaps()
3540 	if (conf->mddev->bitmap && firstwrite && !sh->batch_head) {  in __add_stripe_bio()
3590 	BUG_ON(sh->batch_head);  in handle_failed_stripe()
3691 	BUG_ON(sh->batch_head);  in handle_failed_sync()
3872 		BUG_ON(sh->batch_head);  in fetch_block()
4025 				if (head_sh->batch_head) {  in handle_stripe_clean_event()
4063 		if (head_sh->batch_head) {  in handle_stripe_clean_event()
4080 	if (head_sh->batch_head && do_endio)  in handle_stripe_clean_event()
4275 	BUG_ON(sh->batch_head);  in handle_parity_checks5()
4370 	BUG_ON(sh->batch_head);  in handle_parity_checks6()
4546 	BUG_ON(sh->batch_head);  in handle_stripe_expansion()
4621 	s->expanding = test_bit(STRIPE_EXPAND_SOURCE, &sh->state) && !sh->batch_head;  in analyse_stripe()
4622 	s->expanded = test_bit(STRIPE_EXPAND_READY, &sh->state) && !sh->batch_head;  in analyse_stripe()
4819 		return (sh->batch_head && sh->batch_head != sh);  in clear_batch_ready()
4821 	if (!sh->batch_head) {  in clear_batch_ready()
4830 	if (sh->batch_head != sh) {  in clear_batch_ready()
4881 		sh->batch_head = NULL;  in break_stripe_batch_list()
4895 	head_sh->batch_head = NULL;  in break_stripe_batch_list()
4934 	if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state) && !sh->batch_head) {  in handle_stripe()
6033 	if ((!sh->batch_head || sh == sh->batch_head) &&  in make_stripe_request()