823 	int			lev,		/* level in btree */  in xfs_btree_readahead()  argument
833 	    (lev == cur->bc_nlevels - 1))  in xfs_btree_readahead()
836 	if ((cur->bc_ra[lev] | lr) == cur->bc_ra[lev])  in xfs_btree_readahead()
839 	cur->bc_ra[lev] |= lr;  in xfs_btree_readahead()
840 	block = XFS_BUF_TO_BLOCK(cur->bc_bufs[lev]);  in xfs_btree_readahead()
889 	int			lev,	/* level in btree */  in xfs_btree_setbuf()  argument
894 	if (cur->bc_bufs[lev])  in xfs_btree_setbuf()
895 		xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[lev]);  in xfs_btree_setbuf()
896 	cur->bc_bufs[lev] = bp;  in xfs_btree_setbuf()
897 	cur->bc_ra[lev] = 0;  in xfs_btree_setbuf()
902 			cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA;  in xfs_btree_setbuf()
904 			cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA;  in xfs_btree_setbuf()
907 			cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA;  in xfs_btree_setbuf()
909 			cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA;  in xfs_btree_setbuf()
1441 	int			lev;  in xfs_btree_increment()  local
1475 	for (lev = level + 1; lev < cur->bc_nlevels; lev++) {  in xfs_btree_increment()
1476 		block = xfs_btree_get_block(cur, lev, &bp);  in xfs_btree_increment()
1479 		error = xfs_btree_check_block(cur, block, lev, bp);  in xfs_btree_increment()
1484 		if (++cur->bc_ptrs[lev] <= xfs_btree_get_numrecs(block))  in xfs_btree_increment()
1488 		xfs_btree_readahead(cur, lev, XFS_BTCUR_RIGHTRA);  in xfs_btree_increment()
1495 	if (lev == cur->bc_nlevels) {  in xfs_btree_increment()
1502 	ASSERT(lev < cur->bc_nlevels);  in xfs_btree_increment()
1508 	for (block = xfs_btree_get_block(cur, lev, &bp); lev > level; ) {  in xfs_btree_increment()
1511 		ptrp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[lev], block);  in xfs_btree_increment()
1512 		--lev;  in xfs_btree_increment()
1517 		xfs_btree_setbuf(cur, lev, bp);  in xfs_btree_increment()
1518 		cur->bc_ptrs[lev] = 1;  in xfs_btree_increment()
1548 	int			lev;  in xfs_btree_decrement()  local
1583 	for (lev = level + 1; lev < cur->bc_nlevels; lev++) {  in xfs_btree_decrement()
1584 		if (--cur->bc_ptrs[lev] > 0)  in xfs_btree_decrement()
1587 		xfs_btree_readahead(cur, lev, XFS_BTCUR_LEFTRA);  in xfs_btree_decrement()
1594 	if (lev == cur->bc_nlevels) {  in xfs_btree_decrement()
1601 	ASSERT(lev < cur->bc_nlevels);  in xfs_btree_decrement()
1607 	for (block = xfs_btree_get_block(cur, lev, &bp); lev > level; ) {  in xfs_btree_decrement()
1610 		ptrp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[lev], block);  in xfs_btree_decrement()
1611 		--lev;  in xfs_btree_decrement()
1615 		xfs_btree_setbuf(cur, lev, bp);  in xfs_btree_decrement()
1616 		cur->bc_ptrs[lev] = xfs_btree_get_numrecs(block);  in xfs_btree_decrement()