From: Yangtao Li <tiny.windzz@xxxxxxxxx> Use F2FS_ROOT_INO, F2FS_NODE_INO and F2FS_META_INO macro for better code readability. Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx> Signed-off-by: Shaohua Liu <liush@xxxxxxxxxxxxxxxxx>