915 	int			lev,		/* level in btree */  in xfs_btree_readahead()  argument
925 	    (lev == cur->bc_nlevels - 1))  in xfs_btree_readahead()
928 	if ((cur->bc_ra[lev] | lr) == cur->bc_ra[lev])  in xfs_btree_readahead()
931 	cur->bc_ra[lev] |= lr;  in xfs_btree_readahead()
932 	block = XFS_BUF_TO_BLOCK(cur->bc_bufs[lev]);  in xfs_btree_readahead()
992 	int			lev,	/* level in btree */  in xfs_btree_setbuf()  argument
997 	if (cur->bc_bufs[lev])  in xfs_btree_setbuf()
998 		xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[lev]);  in xfs_btree_setbuf()
999 	cur->bc_bufs[lev] = bp;  in xfs_btree_setbuf()
1000 	cur->bc_ra[lev] = 0;  in xfs_btree_setbuf()
1005 			cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA;  in xfs_btree_setbuf()
1007 			cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA;  in xfs_btree_setbuf()
1010 			cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA;  in xfs_btree_setbuf()
1012 			cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA;  in xfs_btree_setbuf()
1537 	int			lev;  in xfs_btree_increment()  local
1568 	for (lev = level + 1; lev < cur->bc_nlevels; lev++) {  in xfs_btree_increment()
1569 		block = xfs_btree_get_block(cur, lev, &bp);  in xfs_btree_increment()
1572 		error = xfs_btree_check_block(cur, block, lev, bp);  in xfs_btree_increment()
1577 		if (++cur->bc_ptrs[lev] <= xfs_btree_get_numrecs(block))  in xfs_btree_increment()
1581 		xfs_btree_readahead(cur, lev, XFS_BTCUR_RIGHTRA);  in xfs_btree_increment()
1588 	if (lev == cur->bc_nlevels) {  in xfs_btree_increment()
1595 	ASSERT(lev < cur->bc_nlevels);  in xfs_btree_increment()
1601 	for (block = xfs_btree_get_block(cur, lev, &bp); lev > level; ) {  in xfs_btree_increment()
1604 		ptrp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[lev], block);  in xfs_btree_increment()
1605 		--lev;  in xfs_btree_increment()
1610 		xfs_btree_setbuf(cur, lev, bp);  in xfs_btree_increment()
1611 		cur->bc_ptrs[lev] = 1;  in xfs_btree_increment()
1638 	int			lev;  in xfs_btree_decrement()  local
1670 	for (lev = level + 1; lev < cur->bc_nlevels; lev++) {  in xfs_btree_decrement()
1671 		if (--cur->bc_ptrs[lev] > 0)  in xfs_btree_decrement()
1674 		xfs_btree_readahead(cur, lev, XFS_BTCUR_LEFTRA);  in xfs_btree_decrement()
1681 	if (lev == cur->bc_nlevels) {  in xfs_btree_decrement()
1688 	ASSERT(lev < cur->bc_nlevels);  in xfs_btree_decrement()
1694 	for (block = xfs_btree_get_block(cur, lev, &bp); lev > level; ) {  in xfs_btree_decrement()
1697 		ptrp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[lev], block);  in xfs_btree_decrement()
1698 		--lev;  in xfs_btree_decrement()
1702 		xfs_btree_setbuf(cur, lev, bp);  in xfs_btree_decrement()
1703 		cur->bc_ptrs[lev] = xfs_btree_get_numrecs(block);  in xfs_btree_decrement()