map_state
uint32_t map_state;
vram->map_state = STATE_OK;
vram->map_state = STATE_ERR;
wait_event(vgdev->resp_wq, vram->map_state != STATE_INITIALIZING);
if (vram->map_state != STATE_OK)
mapped = map_state(sip, lba, &num);
request->map_state = UN_MAPPED;
(req->map_state != UN_MAPPED))
request->map_state = UN_MAPPED;
request->map_state = MUSB_MAPPED;
request->map_state = PRE_MAPPED;
if (request->map_state == MUSB_MAPPED) {
enum buffer_map_state map_state;