STARTBLOCKVALBITS 1557 fs/xfs/libxfs/xfs_format.h 	(((((xfs_fsblock_t)1) << STARTBLOCKMASKBITS) - 1) << STARTBLOCKVALBITS)
STARTBLOCKVALBITS 1566 fs/xfs/libxfs/xfs_format.h 	ASSERT(k < (1 << STARTBLOCKVALBITS));