BMBT_STARTBLOCK_BITLEN 110 fs/xfs/libxfs/xfs_bmap_btree.c ASSERT(!(s->br_startblock & xfs_mask64hi(64-BMBT_STARTBLOCK_BITLEN))); BMBT_STARTBLOCK_BITLEN 30 fs/xfs/libxfs/xfs_iext_tree.c #define XFS_IEXT_STARTBLOCK_MASK xfs_mask64lo(BMBT_STARTBLOCK_BITLEN)