1014 	dio_request_t *dr = kmem_zalloc(sizeof (dio_request_t) +  in vdev_classic_dio_alloc()  local
1016 	atomic_set(&dr->dr_ref, 0);  in vdev_classic_dio_alloc()
1017 	dr->dr_bio_count = bio_count;  in vdev_classic_dio_alloc()
1018 	dr->dr_error = 0;  in vdev_classic_dio_alloc()
1020 	for (int i = 0; i < dr->dr_bio_count; i++)  in vdev_classic_dio_alloc()
1021 		dr->dr_bio[i] = NULL;  in vdev_classic_dio_alloc()
1023 	return (dr);  in vdev_classic_dio_alloc()
1027 vdev_classic_dio_free(dio_request_t *dr)  in vdev_classic_dio_free()  argument
1031 	for (i = 0; i < dr->dr_bio_count; i++)  in vdev_classic_dio_free()
1032 		if (dr->dr_bio[i])  in vdev_classic_dio_free()
1033 			bio_put(dr->dr_bio[i]);  in vdev_classic_dio_free()
1035 	kmem_free(dr, sizeof (dio_request_t) +  in vdev_classic_dio_free()
1036 	    sizeof (struct bio *) * dr->dr_bio_count);  in vdev_classic_dio_free()
1040 vdev_classic_dio_get(dio_request_t *dr)  in vdev_classic_dio_get()  argument
1042 	atomic_inc(&dr->dr_ref);  in vdev_classic_dio_get()
1046 vdev_classic_dio_put(dio_request_t *dr)  in vdev_classic_dio_put()  argument
1048 	int rc = atomic_dec_return(&dr->dr_ref);  in vdev_classic_dio_put()
1055 		zio_t *zio = dr->dr_zio;  in vdev_classic_dio_put()
1056 		int error = dr->dr_error;  in vdev_classic_dio_put()
1058 		vdev_classic_dio_free(dr);  in vdev_classic_dio_put()
1073 	dio_request_t *dr = bio->bi_private;  in BIO_END_IO_PROTO()  local
1075 	if (dr->dr_error == 0) {  in BIO_END_IO_PROTO()
1077 		dr->dr_error = BIO_END_IO_ERROR(bio);  in BIO_END_IO_PROTO()
1080 			dr->dr_error = -(error);  in BIO_END_IO_PROTO()
1082 			dr->dr_error = EIO;  in BIO_END_IO_PROTO()
1087 	vdev_classic_dio_put(dr);  in BIO_END_IO_PROTO()
1114 	dio_request_t *dr;  in vdev_classic_physio()  local
1136 	dr = vdev_classic_dio_alloc(bio_count);  in vdev_classic_physio()
1144 	dr->dr_zio = zio;  in vdev_classic_physio()
1160 	for (int i = 0; i <= dr->dr_bio_count; i++) {  in vdev_classic_physio()
1170 		if (dr->dr_bio_count == i) {  in vdev_classic_physio()
1171 			vdev_classic_dio_free(dr);  in vdev_classic_physio()
1177 		dr->dr_bio[i] = vdev_bio_alloc(bdev, GFP_NOIO, nr_vecs);  in vdev_classic_physio()
1178 		if (unlikely(dr->dr_bio[i] == NULL)) {  in vdev_classic_physio()
1179 			vdev_classic_dio_free(dr);  in vdev_classic_physio()
1184 		vdev_classic_dio_get(dr);  in vdev_classic_physio()
1186 		BIO_BI_SECTOR(dr->dr_bio[i]) = bio_offset >> 9;  in vdev_classic_physio()
1187 		dr->dr_bio[i]->bi_end_io = vdev_classic_physio_completion;  in vdev_classic_physio()
1188 		dr->dr_bio[i]->bi_private = dr;  in vdev_classic_physio()
1189 		bio_set_op_attrs(dr->dr_bio[i], rw, flags);  in vdev_classic_physio()
1192 		bio_size = abd_bio_map_off(dr->dr_bio[i], zio->io_abd,  in vdev_classic_physio()
1196 		abd_offset += BIO_BI_SIZE(dr->dr_bio[i]);  in vdev_classic_physio()
1197 		bio_offset += BIO_BI_SIZE(dr->dr_bio[i]);  in vdev_classic_physio()
1201 	vdev_classic_dio_get(dr);  in vdev_classic_physio()
1203 	if (dr->dr_bio_count > 1)  in vdev_classic_physio()
1207 	for (int i = 0; i < dr->dr_bio_count; i++) {  in vdev_classic_physio()
1208 		if (dr->dr_bio[i])  in vdev_classic_physio()
1209 			vdev_submit_bio(dr->dr_bio[i]);  in vdev_classic_physio()
1212 	if (dr->dr_bio_count > 1)  in vdev_classic_physio()
1215 	vdev_classic_dio_put(dr);  in vdev_classic_physio()