VIRTIO_BLK_ID_BYTES 396 drivers/block/virtio_blk.c err = blk_rq_map_kern(q, req, id_str, VIRTIO_BLK_ID_BYTES, GFP_KERNEL); VIRTIO_BLK_ID_BYTES 501 drivers/block/virtio_blk.c BUILD_BUG_ON(PAGE_SIZE < VIRTIO_BLK_ID_BYTES); VIRTIO_BLK_ID_BYTES 503 drivers/block/virtio_blk.c buf[VIRTIO_BLK_ID_BYTES] = '\0';