1011 	dio_request_t *dr = kmem_zalloc(sizeof (dio_request_t) +  in vdev_classic_dio_alloc()  local
1013 	atomic_set(&dr->dr_ref, 0);  in vdev_classic_dio_alloc()
1014 	dr->dr_bio_count = bio_count;  in vdev_classic_dio_alloc()
1015 	dr->dr_error = 0;  in vdev_classic_dio_alloc()
1017 	for (int i = 0; i < dr->dr_bio_count; i++)  in vdev_classic_dio_alloc()
1018 		dr->dr_bio[i] = NULL;  in vdev_classic_dio_alloc()
1020 	return (dr);  in vdev_classic_dio_alloc()
1024 vdev_classic_dio_free(dio_request_t *dr)  in vdev_classic_dio_free()  argument
1028 	for (i = 0; i < dr->dr_bio_count; i++)  in vdev_classic_dio_free()
1029 		if (dr->dr_bio[i])  in vdev_classic_dio_free()
1030 			bio_put(dr->dr_bio[i]);  in vdev_classic_dio_free()
1032 	kmem_free(dr, sizeof (dio_request_t) +  in vdev_classic_dio_free()
1033 	    sizeof (struct bio *) * dr->dr_bio_count);  in vdev_classic_dio_free()
1037 vdev_classic_dio_get(dio_request_t *dr)  in vdev_classic_dio_get()  argument
1039 	atomic_inc(&dr->dr_ref);  in vdev_classic_dio_get()
1043 vdev_classic_dio_put(dio_request_t *dr)  in vdev_classic_dio_put()  argument
1045 	int rc = atomic_dec_return(&dr->dr_ref);  in vdev_classic_dio_put()
1052 		zio_t *zio = dr->dr_zio;  in vdev_classic_dio_put()
1053 		int error = dr->dr_error;  in vdev_classic_dio_put()
1055 		vdev_classic_dio_free(dr);  in vdev_classic_dio_put()
1070 	dio_request_t *dr = bio->bi_private;  in BIO_END_IO_PROTO()  local
1072 	if (dr->dr_error == 0) {  in BIO_END_IO_PROTO()
1074 		dr->dr_error = BIO_END_IO_ERROR(bio);  in BIO_END_IO_PROTO()
1077 			dr->dr_error = -(error);  in BIO_END_IO_PROTO()
1079 			dr->dr_error = EIO;  in BIO_END_IO_PROTO()
1084 	vdev_classic_dio_put(dr);  in BIO_END_IO_PROTO()
1111 	dio_request_t *dr;  in vdev_classic_physio()  local
1133 	dr = vdev_classic_dio_alloc(bio_count);  in vdev_classic_physio()
1141 	dr->dr_zio = zio;  in vdev_classic_physio()
1157 	for (int i = 0; i <= dr->dr_bio_count; i++) {  in vdev_classic_physio()
1167 		if (dr->dr_bio_count == i) {  in vdev_classic_physio()
1168 			vdev_classic_dio_free(dr);  in vdev_classic_physio()
1174 		dr->dr_bio[i] = vdev_bio_alloc(bdev, GFP_NOIO, nr_vecs);  in vdev_classic_physio()
1175 		if (unlikely(dr->dr_bio[i] == NULL)) {  in vdev_classic_physio()
1176 			vdev_classic_dio_free(dr);  in vdev_classic_physio()
1181 		vdev_classic_dio_get(dr);  in vdev_classic_physio()
1183 		BIO_BI_SECTOR(dr->dr_bio[i]) = bio_offset >> 9;  in vdev_classic_physio()
1184 		dr->dr_bio[i]->bi_end_io = vdev_classic_physio_completion;  in vdev_classic_physio()
1185 		dr->dr_bio[i]->bi_private = dr;  in vdev_classic_physio()
1186 		bio_set_op_attrs(dr->dr_bio[i], rw, flags);  in vdev_classic_physio()
1189 		bio_size = abd_bio_map_off(dr->dr_bio[i], zio->io_abd,  in vdev_classic_physio()
1193 		abd_offset += BIO_BI_SIZE(dr->dr_bio[i]);  in vdev_classic_physio()
1194 		bio_offset += BIO_BI_SIZE(dr->dr_bio[i]);  in vdev_classic_physio()
1198 	vdev_classic_dio_get(dr);  in vdev_classic_physio()
1200 	if (dr->dr_bio_count > 1)  in vdev_classic_physio()
1204 	for (int i = 0; i < dr->dr_bio_count; i++) {  in vdev_classic_physio()
1205 		if (dr->dr_bio[i])  in vdev_classic_physio()
1206 			vdev_submit_bio(dr->dr_bio[i]);  in vdev_classic_physio()
1209 	if (dr->dr_bio_count > 1)  in vdev_classic_physio()
1212 	vdev_classic_dio_put(dr);  in vdev_classic_physio()