STARTBLOCKMASK 81 fs/xfs/xfs_bmap_btree.h return ((x) & STARTBLOCKMASK) == STARTBLOCKMASK; STARTBLOCKMASK 94 fs/xfs/xfs_bmap_btree.h return STARTBLOCKMASK | (k); STARTBLOCKMASK 100 fs/xfs/xfs_bmap_btree.h return (xfs_filblks_t)((x) & ~STARTBLOCKMASK);