529 	BUG_ON(sh->batch_head);  in init_stripe()
803 	if (sh->batch_head)  in stripe_add_to_batch_list()
812 	if (head->batch_head) {  in stripe_add_to_batch_list()
813 		spin_lock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
816 			spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
825 		spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
827 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
829 		head->batch_head = head;  in stripe_add_to_batch_list()
830 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
843 		if (test_bit(STRIPE_BIT_DELAY, &sh->batch_head->state) &&  in stripe_add_to_batch_list()
844 		    sh->batch_head->bm_seq > seq)  in stripe_add_to_batch_list()
845 			seq = sh->batch_head->bm_seq;  in stripe_add_to_batch_list()
846 		set_bit(STRIPE_BIT_DELAY, &sh->batch_head->state);  in stripe_add_to_batch_list()
847 		sh->batch_head->bm_seq = seq;  in stripe_add_to_batch_list()
1094 		if (!head_sh->batch_head)  in ops_run_io()
1215 	BUG_ON(sh->batch_head);  in ops_run_biofill()
1304 	BUG_ON(sh->batch_head);  in ops_run_compute5()
1381 	BUG_ON(sh->batch_head);  in ops_run_compute6_1()
1440 	BUG_ON(sh->batch_head);  in ops_run_compute6_2()
1553 	BUG_ON(sh->batch_head);  in ops_run_prexor5()
1640 			if (head_sh->batch_head) {  in ops_run_biodrain()
1756 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct5()
1824 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct6()
1871 	BUG_ON(sh->batch_head);  in ops_run_check_p()
1900 	BUG_ON(sh->batch_head);  in ops_run_check_pq()
1972 	if (overlap_clear && !sh->batch_head)  in raid_run_ops()
2475 	if (sh->batch_head && !uptodate && !replacement)  in raid5_end_write_request()
2476 		set_bit(STRIPE_BATCH_ERR, &sh->batch_head->state);  in raid5_end_write_request()
2483 	if (sh->batch_head && sh != sh->batch_head)  in raid5_end_write_request()
2484 		release_stripe(sh->batch_head);  in raid5_end_write_request()
2974 	if (sh->batch_head)  in add_stripe_bio()
3037 		if (!sh->batch_head) {  in add_stripe_bio()
3078 	BUG_ON(sh->batch_head);  in handle_failed_stripe()
3194 	BUG_ON(sh->batch_head);  in handle_failed_sync()
3359 		BUG_ON(sh->batch_head);  in fetch_block()
3491 				if (head_sh->batch_head) {  in handle_stripe_clean_event()
3528 		if (head_sh->batch_head) {  in handle_stripe_clean_event()
3545 	if (head_sh->batch_head && do_endio)  in handle_stripe_clean_event()
3686 	BUG_ON(sh->batch_head);  in handle_parity_checks5()
3777 	BUG_ON(sh->batch_head);  in handle_parity_checks6()
3941 	BUG_ON(sh->batch_head);  in handle_stripe_expansion()
4014 	s->expanding = test_bit(STRIPE_EXPAND_SOURCE, &sh->state) && !sh->batch_head;  in analyse_stripe()
4015 	s->expanded = test_bit(STRIPE_EXPAND_READY, &sh->state) && !sh->batch_head;  in analyse_stripe()
4193 		return (sh->batch_head && sh->batch_head != sh);  in clear_batch_ready()
4195 	if (!sh->batch_head) {  in clear_batch_ready()
4204 	if (sh->batch_head != sh) {  in clear_batch_ready()
4262 		sh->batch_head = NULL;  in break_stripe_batch_list()
4270 	head_sh->batch_head = NULL;  in break_stripe_batch_list()
4307 	if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state) && !sh->batch_head) {  in handle_stripe()
5301 			if ((!sh->batch_head || sh == sh->batch_head) &&  in make_request()