838 	int			lev,		/* level in btree */  in xfs_btree_readahead()  argument
848 	    (lev == cur->bc_nlevels - 1))  in xfs_btree_readahead()
851 	if ((cur->bc_ra[lev] | lr) == cur->bc_ra[lev])  in xfs_btree_readahead()
854 	cur->bc_ra[lev] |= lr;  in xfs_btree_readahead()
855 	block = XFS_BUF_TO_BLOCK(cur->bc_bufs[lev]);  in xfs_btree_readahead()
904 	int			lev,	/* level in btree */  in xfs_btree_setbuf()  argument
909 	if (cur->bc_bufs[lev])  in xfs_btree_setbuf()
910 		xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[lev]);  in xfs_btree_setbuf()
911 	cur->bc_bufs[lev] = bp;  in xfs_btree_setbuf()
912 	cur->bc_ra[lev] = 0;  in xfs_btree_setbuf()
917 			cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA;  in xfs_btree_setbuf()
919 			cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA;  in xfs_btree_setbuf()
922 			cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA;  in xfs_btree_setbuf()
924 			cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA;  in xfs_btree_setbuf()
1456 	int			lev;  in xfs_btree_increment()  local
1490 	for (lev = level + 1; lev < cur->bc_nlevels; lev++) {  in xfs_btree_increment()
1491 		block = xfs_btree_get_block(cur, lev, &bp);  in xfs_btree_increment()
1494 		error = xfs_btree_check_block(cur, block, lev, bp);  in xfs_btree_increment()
1499 		if (++cur->bc_ptrs[lev] <= xfs_btree_get_numrecs(block))  in xfs_btree_increment()
1503 		xfs_btree_readahead(cur, lev, XFS_BTCUR_RIGHTRA);  in xfs_btree_increment()
1510 	if (lev == cur->bc_nlevels) {  in xfs_btree_increment()
1517 	ASSERT(lev < cur->bc_nlevels);  in xfs_btree_increment()
1523 	for (block = xfs_btree_get_block(cur, lev, &bp); lev > level; ) {  in xfs_btree_increment()
1526 		ptrp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[lev], block);  in xfs_btree_increment()
1527 		--lev;  in xfs_btree_increment()
1532 		xfs_btree_setbuf(cur, lev, bp);  in xfs_btree_increment()
1533 		cur->bc_ptrs[lev] = 1;  in xfs_btree_increment()
1563 	int			lev;  in xfs_btree_decrement()  local
1598 	for (lev = level + 1; lev < cur->bc_nlevels; lev++) {  in xfs_btree_decrement()
1599 		if (--cur->bc_ptrs[lev] > 0)  in xfs_btree_decrement()
1602 		xfs_btree_readahead(cur, lev, XFS_BTCUR_LEFTRA);  in xfs_btree_decrement()
1609 	if (lev == cur->bc_nlevels) {  in xfs_btree_decrement()
1616 	ASSERT(lev < cur->bc_nlevels);  in xfs_btree_decrement()
1622 	for (block = xfs_btree_get_block(cur, lev, &bp); lev > level; ) {  in xfs_btree_decrement()
1625 		ptrp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[lev], block);  in xfs_btree_decrement()
1626 		--lev;  in xfs_btree_decrement()
1630 		xfs_btree_setbuf(cur, lev, bp);  in xfs_btree_decrement()
1631 		cur->bc_ptrs[lev] = xfs_btree_get_numrecs(block);  in xfs_btree_decrement()