574 	BUG_ON(sh->batch_head);  in init_stripe()
867 	if (sh->batch_head)  in stripe_add_to_batch_list()
877 	if (head->batch_head) {  in stripe_add_to_batch_list()
878 		spin_lock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
881 			spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
891 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
898 		spin_unlock(&head->batch_head->batch_lock);  in stripe_add_to_batch_list()
900 		head->batch_head = head;  in stripe_add_to_batch_list()
901 		sh->batch_head = head->batch_head;  in stripe_add_to_batch_list()
914 		if (test_bit(STRIPE_BIT_DELAY, &sh->batch_head->state) &&  in stripe_add_to_batch_list()
915 		    sh->batch_head->bm_seq > seq)  in stripe_add_to_batch_list()
916 			seq = sh->batch_head->bm_seq;  in stripe_add_to_batch_list()
917 		set_bit(STRIPE_BIT_DELAY, &sh->batch_head->state);  in stripe_add_to_batch_list()
918 		sh->batch_head->bm_seq = seq;  in stripe_add_to_batch_list()
1293 		if (!head_sh->batch_head)  in ops_run_io()
1415 	BUG_ON(sh->batch_head);  in ops_run_biofill()
1510 	BUG_ON(sh->batch_head);  in ops_run_compute5()
1608 	BUG_ON(sh->batch_head);  in ops_run_compute6_1()
1672 	BUG_ON(sh->batch_head);  in ops_run_compute6_2()
1805 	BUG_ON(sh->batch_head);  in ops_run_prexor5()
1913 			if (head_sh->batch_head) {  in ops_run_biodrain()
2042 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct5()
2114 	last_stripe = !head_sh->batch_head ||  in ops_run_reconstruct6()
2164 	BUG_ON(sh->batch_head);  in ops_run_check_p()
2198 	BUG_ON(sh->batch_head);  in ops_run_check_pq()
2274 	if (overlap_clear && !sh->batch_head)  in raid_run_ops()
2860 	if (sh->batch_head && bi->bi_status && !replacement)  in raid5_end_write_request()
2861 		set_bit(STRIPE_BATCH_ERR, &sh->batch_head->state);  in raid5_end_write_request()
2868 	if (sh->batch_head && sh != sh->batch_head)  in raid5_end_write_request()
2869 		raid5_release_stripe(sh->batch_head);  in raid5_end_write_request()
3418 	if (sh->batch_head)  in add_stripe_bio()
3512 		if (!sh->batch_head) {  in add_stripe_bio()
3552 	BUG_ON(sh->batch_head);  in handle_failed_stripe()
3667 	BUG_ON(sh->batch_head);  in handle_failed_sync()
3845 		BUG_ON(sh->batch_head);  in fetch_block()
4001 				if (head_sh->batch_head) {  in handle_stripe_clean_event()
4039 		if (head_sh->batch_head) {  in handle_stripe_clean_event()
4056 	if (head_sh->batch_head && do_endio)  in handle_stripe_clean_event()
4244 	BUG_ON(sh->batch_head);  in handle_parity_checks5()
4340 	BUG_ON(sh->batch_head);  in handle_parity_checks6()
4517 	BUG_ON(sh->batch_head);  in handle_stripe_expansion()
4591 	s->expanding = test_bit(STRIPE_EXPAND_SOURCE, &sh->state) && !sh->batch_head;  in analyse_stripe()
4592 	s->expanded = test_bit(STRIPE_EXPAND_READY, &sh->state) && !sh->batch_head;  in analyse_stripe()
4784 		return (sh->batch_head && sh->batch_head != sh);  in clear_batch_ready()
4786 	if (!sh->batch_head) {  in clear_batch_ready()
4795 	if (sh->batch_head != sh) {  in clear_batch_ready()
4849 		sh->batch_head = NULL;  in break_stripe_batch_list()
4863 	head_sh->batch_head = NULL;  in break_stripe_batch_list()
4905 	if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state) && !sh->batch_head) {  in handle_stripe()
5918 			if ((!sh->batch_head || sh == sh->batch_head) &&  in raid5_make_request()