NILFS_DIRECT_KEY_MIN  266 fs/nilfs2/bmap.h #define NILFS_BMAP_SMALL_LOW	NILFS_DIRECT_KEY_MIN
NILFS_DIRECT_KEY_MIN  184 fs/nilfs2/direct.c 	for (key = NILFS_DIRECT_KEY_MIN; key <= NILFS_DIRECT_KEY_MAX; key++)