XFS_BTCUR_LEFTRA
if ((lr & XFS_BTCUR_LEFTRA) && left != NULLAGBLOCK) {
cur->bc_levels[lev].ra |= XFS_BTCUR_LEFTRA;
cur->bc_levels[lev].ra |= XFS_BTCUR_LEFTRA;
xfs_btree_readahead(cur, level, XFS_BTCUR_LEFTRA);
xfs_btree_readahead(cur, lev, XFS_BTCUR_LEFTRA);
if ((lr & XFS_BTCUR_LEFTRA) && left != NULLFSBLOCK) {
if ((lr & XFS_BTCUR_LEFTRA) && left != NULLFSBLOCK) {