215 	dnode_secno dno = le32_to_cpu(d->self);  in fix_up_ptrs()  local
221 				if (le32_to_cpu(dd->up) != dno || dd->root_dnode) {  in fix_up_ptrs()
222 					dd->up = cpu_to_le32(dno);  in fix_up_ptrs()
233 static int hpfs_add_to_dnode(struct inode *i, dnode_secno dno,  in hpfs_add_to_dnode()  argument
259 	if (!(d = hpfs_map_dnode(i->i_sb, dno, &qbh))) {  in hpfs_add_to_dnode()
266 		if (hpfs_stop_cycles(i->i_sb, dno, &c1, &c2, "hpfs_add_to_dnode")) {  in hpfs_add_to_dnode()
312 		for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | pos, ((loff_t)adno << 4) | pos);  in hpfs_add_to_dnode()
319 	for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | pos, 4);  in hpfs_add_to_dnode()
326 	for_all_poss(i, hpfs_pos_del, (loff_t)dno << 4, pos);  in hpfs_add_to_dnode()
330 		dno = le32_to_cpu(ad->up);  in hpfs_add_to_dnode()
369 	set_last_pointer(i->i_sb, rd, dno);  in hpfs_add_to_dnode()
370 	dno = rdno;  in hpfs_add_to_dnode()
391 	dnode_secno dno;  in hpfs_add_dirent()  local
394 	dno = hpfs_inode->i_dno;  in hpfs_add_dirent()
397 		if (hpfs_stop_cycles(i->i_sb, dno, &c1, &c2, "hpfs_add_dirent")) return 1;  in hpfs_add_dirent()
398 	if (!(d = hpfs_map_dnode(i->i_sb, dno, &qbh))) return 1;  in hpfs_add_dirent()
407 				dno = de_down_pointer(de);  in hpfs_add_dirent()
420 	c = hpfs_add_to_dnode(i, dno, name, namelen, new_de, 0);  in hpfs_add_dirent()
432 	dnode_secno dno, ddno;  in move_to_top()  local
440 	dno = from;  in move_to_top()
443 			if (hpfs_stop_cycles(i->i_sb, dno, &c1, &c2, "move_to_top"))  in move_to_top()
445 		if (!(dnode = hpfs_map_dnode(i->i_sb, dno, &qbh))) return 0;  in move_to_top()
449 					dno, chk_up, le32_to_cpu(dnode->up));  in move_to_top()
453 			chk_up = dno;  in move_to_top()
456 			hpfs_error(i->i_sb, "move_to_top: dnode %08x has no last de", dno);  in move_to_top()
461 		dno = de_down_pointer(de);  in move_to_top()
467 		hpfs_free_dnode(i->i_sb, dno);  in move_to_top()
470 		for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | 1, 5);  in move_to_top()
480 			hpfs_error(i->i_sb, "move_to_top: dnode %08x doesn't point down to %08x", up, dno);  in move_to_top()
488 		dno = up;  in move_to_top()
507 	return dno;  in move_to_top()
515 static void delete_empty_dnode(struct inode *i, dnode_secno dno)  in delete_empty_dnode()  argument
525 	if (hpfs_stop_cycles(i->i_sb, dno, &c1, &c2, "delete_empty_dnode")) return;  in delete_empty_dnode()
526 	if (!(dnode = hpfs_map_dnode(i->i_sb, dno, &qbh))) return;  in delete_empty_dnode()
535 			hpfs_error(i->i_sb, "delete_empty_dnode: root dnode %08x is empty", dno);  in delete_empty_dnode()
539 		hpfs_free_dnode(i->i_sb, dno);  in delete_empty_dnode()
551 						   dno, up,  in delete_empty_dnode()
567 			for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | 1, (loff_t) 12);  in delete_empty_dnode()
574 			if (de->down) if (de_down_pointer(de) == dno) goto fnd;  in delete_empty_dnode()
575 		hpfs_error(i->i_sb, "delete_empty_dnode: pointer to dnode %08x not found in dnode %08x", dno, up);  in delete_empty_dnode()
578 		for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | 1, ((loff_t)up << 4) | p);  in delete_empty_dnode()
596 …hpfs_error(i->i_sb, "delete_empty_dnode: dnode %08x, first_free == %03x", dno, le32_to_cpu(dnode->…  in delete_empty_dnode()
625 		dno = up;  in delete_empty_dnode()
638 			dno = up;  in delete_empty_dnode()
695 		dno = up;  in delete_empty_dnode()
708 int hpfs_remove_dirent(struct inode *i, dnode_secno dno, struct hpfs_dirent *de,  in hpfs_remove_dirent()  argument
715 …fs_error(i->i_sb, "hpfs_remove_dirent: attempt to delete first or last dirent in dnode %08x", dno);  in hpfs_remove_dirent()
732 		dnode_secno a = move_to_top(i, down, dno);  in hpfs_remove_dirent()
737 	delete_empty_dnode(i, dno);  in hpfs_remove_dirent()
741 void hpfs_count_dnodes(struct super_block *s, dnode_secno dno, int *n_dnodes,  in hpfs_count_dnodes()  argument
753 		if (hpfs_stop_cycles(s, dno, &c1, &c2, "hpfs_count_dnodes #1")) return;  in hpfs_count_dnodes()
756 	if (!(dnode = hpfs_map_dnode(s, dno, &qbh))) return;  in hpfs_count_dnodes()
758 …count_dnodes: bad up pointer; dnode %08x, down %08x points to %08x", odno, dno, le32_to_cpu(dnode-…  in hpfs_count_dnodes()
765 				ptr, dno, odno);  in hpfs_count_dnodes()
772 		odno = dno;  in hpfs_count_dnodes()
773 		dno = de_down_pointer(de);  in hpfs_count_dnodes()
781 	ptr = dno;  in hpfs_count_dnodes()
782 	dno = le32_to_cpu(dnode->up);  in hpfs_count_dnodes()
794 static struct hpfs_dirent *map_nth_dirent(struct super_block *s, dnode_secno dno, int n,  in map_nth_dirent()  argument
800 	dnode = hpfs_map_dnode(s, dno, qbh);  in map_nth_dirent()
812 	hpfs_error(s, "map_nth_dirent: n too high; dnode = %08x, requested %08x", dno, n);  in map_nth_dirent()
816 dnode_secno hpfs_de_as_down_as_possible(struct super_block *s, dnode_secno dno)  in hpfs_de_as_down_as_possible()  argument
819 	dnode_secno d = dno;  in hpfs_de_as_down_as_possible()
828 	if (!(de = map_nth_dirent(s, d, 1, &qbh, NULL))) return dno;  in hpfs_de_as_down_as_possible()
847 	dnode_secno dno;  in map_pos_dirent()  local
856 	dno = pos >> 6 << 2;  in map_pos_dirent()
858 	if (!(de = map_nth_dirent(inode->i_sb, dno, pos, qbh, &dnode)))  in map_pos_dirent()
889 		if (up_de->down && de_down_pointer(up_de) == dno) {  in map_pos_dirent()
897 		dno, le32_to_cpu(dnode->up));  in map_pos_dirent()
907 struct hpfs_dirent *map_dirent(struct inode *inode, dnode_secno dno,  in map_dirent()  argument
919 		if (hpfs_stop_cycles(inode->i_sb, dno, &c1, &c2, "map_dirent")) return NULL;  in map_dirent()
920 	if (!(dnode = hpfs_map_dnode(inode->i_sb, dno, qbh))) return NULL;  in map_dirent()
926 			if (dd) *dd = dno;  in map_dirent()
931 				dno = de_down_pointer(de);  in map_dirent()
948 void hpfs_remove_dtree(struct super_block *s, dnode_secno dno)  in hpfs_remove_dtree()  argument
953 	dnode_secno d1, d2, rdno = dno;  in hpfs_remove_dtree()
955 		if (!(dnode = hpfs_map_dnode(s, dno, &qbh))) return;  in hpfs_remove_dtree()
961 			hpfs_free_dnode(s, dno);  in hpfs_remove_dtree()
962 			dno = d1;  in hpfs_remove_dtree()
971 	hpfs_free_dnode(s, dno);  in hpfs_remove_dtree()
974 			if (!(dnode = hpfs_map_dnode(s, dno = d1, &qbh))) return;  in hpfs_remove_dtree()
979 			hpfs_free_dnode(s, dno);  in hpfs_remove_dtree()
987 	hpfs_free_dnode(s, dno);  in hpfs_remove_dtree()
1003 	dnode_secno dno, downd;  in map_fnode_dirent()  local
1033 	dno = le32_to_cpu(upf->u.external[0].disk_secno);  in map_fnode_dirent()
1038 	if (!(d = hpfs_map_dnode(s, dno, qbh))) {  in map_fnode_dirent()
1049 		hpfs_error(s, "pointer to dnode %08x not found in dnode %08x", downd, dno);  in map_fnode_dirent()
1061 		dno = de_down_pointer(de);  in map_fnode_dirent()
1064 			if (hpfs_stop_cycles(s, dno, &c1, &c2, "map_fnode_dirent #1")) {  in map_fnode_dirent()
1079 	downd = dno;  in map_fnode_dirent()
1080 	dno = le32_to_cpu(d->up);  in map_fnode_dirent()