static int slot_write(struct sbd_context *st, int slot, struct sector_node_s *s_node) { return sector_write(st, SLOT_TO_SECTOR(slot), s_node); }
int slot_read(struct sbd_context *st, int slot, struct sector_node_s *s_node) { return sector_read(st, SLOT_TO_SECTOR(slot), s_node); }