219 	dnode_secno dno = le32_to_cpu(d->self);  in fix_up_ptrs()  local
225 				if (le32_to_cpu(dd->up) != dno || dd->root_dnode) {  in fix_up_ptrs()
226 					dd->up = cpu_to_le32(dno);  in fix_up_ptrs()
237 static int hpfs_add_to_dnode(struct inode *i, dnode_secno dno,  in hpfs_add_to_dnode()  argument
263 	if (!(d = hpfs_map_dnode(i->i_sb, dno, &qbh))) {  in hpfs_add_to_dnode()
270 		if (hpfs_stop_cycles(i->i_sb, dno, &c1, &c2, "hpfs_add_to_dnode")) {  in hpfs_add_to_dnode()
316 		for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | pos, ((loff_t)adno << 4) | pos);  in hpfs_add_to_dnode()
323 	for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | pos, 4);  in hpfs_add_to_dnode()
330 	for_all_poss(i, hpfs_pos_del, (loff_t)dno << 4, pos);  in hpfs_add_to_dnode()
334 		dno = le32_to_cpu(ad->up);  in hpfs_add_to_dnode()
373 	set_last_pointer(i->i_sb, rd, dno);  in hpfs_add_to_dnode()
374 	dno = rdno;  in hpfs_add_to_dnode()
395 	dnode_secno dno;  in hpfs_add_dirent()  local
398 	dno = hpfs_inode->i_dno;  in hpfs_add_dirent()
401 		if (hpfs_stop_cycles(i->i_sb, dno, &c1, &c2, "hpfs_add_dirent")) return 1;  in hpfs_add_dirent()
402 	if (!(d = hpfs_map_dnode(i->i_sb, dno, &qbh))) return 1;  in hpfs_add_dirent()
411 				dno = de_down_pointer(de);  in hpfs_add_dirent()
423 	c = hpfs_add_to_dnode(i, dno, name, namelen, new_de, 0);  in hpfs_add_dirent()
435 	dnode_secno dno, ddno;  in move_to_top()  local
443 	dno = from;  in move_to_top()
446 			if (hpfs_stop_cycles(i->i_sb, dno, &c1, &c2, "move_to_top"))  in move_to_top()
448 		if (!(dnode = hpfs_map_dnode(i->i_sb, dno, &qbh))) return 0;  in move_to_top()
452 					dno, chk_up, le32_to_cpu(dnode->up));  in move_to_top()
456 			chk_up = dno;  in move_to_top()
459 			hpfs_error(i->i_sb, "move_to_top: dnode %08x has no last de", dno);  in move_to_top()
464 		dno = de_down_pointer(de);  in move_to_top()
470 		hpfs_free_dnode(i->i_sb, dno);  in move_to_top()
473 		for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | 1, 5);  in move_to_top()
483 			hpfs_error(i->i_sb, "move_to_top: dnode %08x doesn't point down to %08x", up, dno);  in move_to_top()
491 		dno = up;  in move_to_top()
510 	return dno;  in move_to_top()
518 static void delete_empty_dnode(struct inode *i, dnode_secno dno)  in delete_empty_dnode()  argument
528 	if (hpfs_stop_cycles(i->i_sb, dno, &c1, &c2, "delete_empty_dnode")) return;  in delete_empty_dnode()
529 	if (!(dnode = hpfs_map_dnode(i->i_sb, dno, &qbh))) return;  in delete_empty_dnode()
538 			hpfs_error(i->i_sb, "delete_empty_dnode: root dnode %08x is empty", dno);  in delete_empty_dnode()
542 		hpfs_free_dnode(i->i_sb, dno);  in delete_empty_dnode()
554 						   dno, up,  in delete_empty_dnode()
570 			for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | 1, (loff_t) 12);  in delete_empty_dnode()
577 			if (de->down) if (de_down_pointer(de) == dno) goto fnd;  in delete_empty_dnode()
578 		hpfs_error(i->i_sb, "delete_empty_dnode: pointer to dnode %08x not found in dnode %08x", dno, up);  in delete_empty_dnode()
581 		for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | 1, ((loff_t)up << 4) | p);  in delete_empty_dnode()
599 …hpfs_error(i->i_sb, "delete_empty_dnode: dnode %08x, first_free == %03x", dno, le32_to_cpu(dnode->…  in delete_empty_dnode()
628 		dno = up;  in delete_empty_dnode()
641 			dno = up;  in delete_empty_dnode()
698 		dno = up;  in delete_empty_dnode()
711 int hpfs_remove_dirent(struct inode *i, dnode_secno dno, struct hpfs_dirent *de,  in hpfs_remove_dirent()  argument
718 …fs_error(i->i_sb, "hpfs_remove_dirent: attempt to delete first or last dirent in dnode %08x", dno);  in hpfs_remove_dirent()
734 		dnode_secno a = move_to_top(i, down, dno);  in hpfs_remove_dirent()
739 	delete_empty_dnode(i, dno);  in hpfs_remove_dirent()
743 void hpfs_count_dnodes(struct super_block *s, dnode_secno dno, int *n_dnodes,  in hpfs_count_dnodes()  argument
755 		if (hpfs_stop_cycles(s, dno, &c1, &c2, "hpfs_count_dnodes #1")) return;  in hpfs_count_dnodes()
758 	if (!(dnode = hpfs_map_dnode(s, dno, &qbh))) return;  in hpfs_count_dnodes()
760 …count_dnodes: bad up pointer; dnode %08x, down %08x points to %08x", odno, dno, le32_to_cpu(dnode-…  in hpfs_count_dnodes()
767 				ptr, dno, odno);  in hpfs_count_dnodes()
774 		odno = dno;  in hpfs_count_dnodes()
775 		dno = de_down_pointer(de);  in hpfs_count_dnodes()
783 	ptr = dno;  in hpfs_count_dnodes()
784 	dno = le32_to_cpu(dnode->up);  in hpfs_count_dnodes()
796 static struct hpfs_dirent *map_nth_dirent(struct super_block *s, dnode_secno dno, int n,  in map_nth_dirent()  argument
802 	dnode = hpfs_map_dnode(s, dno, qbh);  in map_nth_dirent()
814 	hpfs_error(s, "map_nth_dirent: n too high; dnode = %08x, requested %08x", dno, n);  in map_nth_dirent()
818 dnode_secno hpfs_de_as_down_as_possible(struct super_block *s, dnode_secno dno)  in hpfs_de_as_down_as_possible()  argument
821 	dnode_secno d = dno;  in hpfs_de_as_down_as_possible()
830 	if (!(de = map_nth_dirent(s, d, 1, &qbh, NULL))) return dno;  in hpfs_de_as_down_as_possible()
849 	dnode_secno dno;  in map_pos_dirent()  local
858 	dno = pos >> 6 << 2;  in map_pos_dirent()
860 	if (!(de = map_nth_dirent(inode->i_sb, dno, pos, qbh, &dnode)))  in map_pos_dirent()
891 		if (up_de->down && de_down_pointer(up_de) == dno) {  in map_pos_dirent()
899 		dno, le32_to_cpu(dnode->up));  in map_pos_dirent()
909 struct hpfs_dirent *map_dirent(struct inode *inode, dnode_secno dno,  in map_dirent()  argument
921 		if (hpfs_stop_cycles(inode->i_sb, dno, &c1, &c2, "map_dirent")) return NULL;  in map_dirent()
922 	if (!(dnode = hpfs_map_dnode(inode->i_sb, dno, qbh))) return NULL;  in map_dirent()
928 			if (dd) *dd = dno;  in map_dirent()
933 				dno = de_down_pointer(de);  in map_dirent()
950 void hpfs_remove_dtree(struct super_block *s, dnode_secno dno)  in hpfs_remove_dtree()  argument
955 	dnode_secno d1, d2, rdno = dno;  in hpfs_remove_dtree()
957 		if (!(dnode = hpfs_map_dnode(s, dno, &qbh))) return;  in hpfs_remove_dtree()
963 			hpfs_free_dnode(s, dno);  in hpfs_remove_dtree()
964 			dno = d1;  in hpfs_remove_dtree()
973 	hpfs_free_dnode(s, dno);  in hpfs_remove_dtree()
976 			if (!(dnode = hpfs_map_dnode(s, dno = d1, &qbh))) return;  in hpfs_remove_dtree()
981 			hpfs_free_dnode(s, dno);  in hpfs_remove_dtree()
989 	hpfs_free_dnode(s, dno);  in hpfs_remove_dtree()
1005 	dnode_secno dno, downd;  in map_fnode_dirent()  local
1035 	dno = le32_to_cpu(upf->u.external[0].disk_secno);  in map_fnode_dirent()
1040 	if (!(d = hpfs_map_dnode(s, dno, qbh))) {  in map_fnode_dirent()
1051 		hpfs_error(s, "pointer to dnode %08x not found in dnode %08x", downd, dno);  in map_fnode_dirent()
1063 		dno = de_down_pointer(de);  in map_fnode_dirent()
1066 			if (hpfs_stop_cycles(s, dno, &c1, &c2, "map_fnode_dirent #1")) {  in map_fnode_dirent()
1081 	downd = dno;  in map_fnode_dirent()
1082 	dno = le32_to_cpu(d->up);  in map_fnode_dirent()