384 		      struct ubifs_nnode *nnode)  in ubifs_pack_nnode()  argument
392 		pack_bits(&addr, &pos, nnode->num, c->pcnt_bits);  in ubifs_pack_nnode()
394 		int lnum = nnode->nbranch[i].lnum;  in ubifs_pack_nnode()
399 		pack_bits(&addr, &pos, nnode->nbranch[i].offs,  in ubifs_pack_nnode()
494 void ubifs_add_nnode_dirt(struct ubifs_info *c, struct ubifs_nnode *nnode)  in ubifs_add_nnode_dirt()  argument
496 	struct ubifs_nnode *np = nnode->parent;  in ubifs_add_nnode_dirt()
499 		ubifs_add_lpt_dirt(c, np->nbranch[nnode->iip].lnum,  in ubifs_add_nnode_dirt()
614 	struct ubifs_nnode *nnode = NULL;  in ubifs_create_dflt_lpt()  local
633 	nnode = kzalloc(sizeof(struct ubifs_nnode), GFP_KERNEL);  in ubifs_create_dflt_lpt()
636 	if (!pnode || !nnode || !buf || !ltab || !lsave) {  in ubifs_create_dflt_lpt()
752 					nnode->nbranch[j].lnum = blnum;  in ubifs_create_dflt_lpt()
753 					nnode->nbranch[j].offs = boffs;  in ubifs_create_dflt_lpt()
757 					nnode->nbranch[j].lnum = 0;  in ubifs_create_dflt_lpt()
758 					nnode->nbranch[j].offs = 0;  in ubifs_create_dflt_lpt()
761 			nnode->num = calc_nnode_num(row, i);  in ubifs_create_dflt_lpt()
762 			ubifs_pack_nnode(c, p, nnode);  in ubifs_create_dflt_lpt()
856 	kfree(nnode);  in ubifs_create_dflt_lpt()
1002 		       struct ubifs_nnode *nnode)  in ubifs_unpack_nnode()  argument
1011 		nnode->num = ubifs_unpack_bits(&addr, &pos, c->pcnt_bits);  in ubifs_unpack_nnode()
1019 		nnode->nbranch[i].lnum = lnum;  in ubifs_unpack_nnode()
1020 		nnode->nbranch[i].offs = ubifs_unpack_bits(&addr, &pos,  in ubifs_unpack_nnode()
1094 static int validate_nnode(const struct ubifs_info *c, struct ubifs_nnode *nnode,  in validate_nnode()  argument
1102 		if (nnode->num != num)  in validate_nnode()
1113 		int lnum = nnode->nbranch[i].lnum;  in validate_nnode()
1114 		int offs = nnode->nbranch[i].offs;  in validate_nnode()
1196 	struct ubifs_nnode *nnode = NULL;  in ubifs_read_nnode()  local
1208 	nnode = kzalloc(sizeof(struct ubifs_nnode), GFP_NOFS);  in ubifs_read_nnode()
1209 	if (!nnode) {  in ubifs_read_nnode()
1221 			nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in ubifs_read_nnode()
1226 		err = ubifs_unpack_nnode(c, buf, nnode);  in ubifs_read_nnode()
1230 	err = validate_nnode(c, nnode, parent, iip);  in ubifs_read_nnode()
1234 		nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in ubifs_read_nnode()
1236 		branch->nnode = nnode;  in ubifs_read_nnode()
1237 		nnode->level = parent->level - 1;  in ubifs_read_nnode()
1239 		c->nroot = nnode;  in ubifs_read_nnode()
1240 		nnode->level = c->lpt_hght;  in ubifs_read_nnode()
1242 	nnode->parent = parent;  in ubifs_read_nnode()
1243 	nnode->iip = iip;  in ubifs_read_nnode()
1249 	kfree(nnode);  in ubifs_read_nnode()
1398 	struct ubifs_nnode *nnode;  in ubifs_get_nnode()  local
1402 	nnode = branch->nnode;  in ubifs_get_nnode()
1403 	if (nnode)  in ubifs_get_nnode()
1404 		return nnode;  in ubifs_get_nnode()
1408 	return branch->nnode;  in ubifs_get_nnode()
1449 	struct ubifs_nnode *nnode;  in ubifs_lpt_lookup()  local
1457 	nnode = c->nroot;  in ubifs_lpt_lookup()
1463 		nnode = ubifs_get_nnode(c, nnode, iip);  in ubifs_lpt_lookup()
1464 		if (IS_ERR(nnode))  in ubifs_lpt_lookup()
1465 			return ERR_CAST(nnode);  in ubifs_lpt_lookup()
1468 	pnode = ubifs_get_pnode(c, nnode, iip);  in ubifs_lpt_lookup()
1486 					   struct ubifs_nnode *nnode)  in dirty_cow_nnode()  argument
1491 	if (!test_bit(COW_CNODE, &nnode->flags)) {  in dirty_cow_nnode()
1493 		if (!test_and_set_bit(DIRTY_CNODE, &nnode->flags)) {  in dirty_cow_nnode()
1495 			ubifs_add_nnode_dirt(c, nnode);  in dirty_cow_nnode()
1497 		return nnode;  in dirty_cow_nnode()
1501 	n = kmemdup(nnode, sizeof(struct ubifs_nnode), GFP_NOFS);  in dirty_cow_nnode()
1517 	ubifs_assert(!test_bit(OBSOLETE_CNODE, &nnode->flags));  in dirty_cow_nnode()
1518 	__set_bit(OBSOLETE_CNODE, &nnode->flags);  in dirty_cow_nnode()
1521 	ubifs_add_nnode_dirt(c, nnode);  in dirty_cow_nnode()
1522 	if (nnode->parent)  in dirty_cow_nnode()
1523 		nnode->parent->nbranch[n->iip].nnode = n;  in dirty_cow_nnode()
1580 	struct ubifs_nnode *nnode;  in ubifs_lpt_lookup_dirty()  local
1588 	nnode = c->nroot;  in ubifs_lpt_lookup_dirty()
1589 	nnode = dirty_cow_nnode(c, nnode);  in ubifs_lpt_lookup_dirty()
1590 	if (IS_ERR(nnode))  in ubifs_lpt_lookup_dirty()
1591 		return ERR_CAST(nnode);  in ubifs_lpt_lookup_dirty()
1597 		nnode = ubifs_get_nnode(c, nnode, iip);  in ubifs_lpt_lookup_dirty()
1598 		if (IS_ERR(nnode))  in ubifs_lpt_lookup_dirty()
1599 			return ERR_CAST(nnode);  in ubifs_lpt_lookup_dirty()
1600 		nnode = dirty_cow_nnode(c, nnode);  in ubifs_lpt_lookup_dirty()
1601 		if (IS_ERR(nnode))  in ubifs_lpt_lookup_dirty()
1602 			return ERR_CAST(nnode);  in ubifs_lpt_lookup_dirty()
1605 	pnode = ubifs_get_pnode(c, nnode, iip);  in ubifs_lpt_lookup_dirty()
1769 		struct ubifs_nnode nnode;  member
1775 		struct ubifs_nnode *nnode;  member
1796 	struct ubifs_nnode *nnode;  in scan_get_nnode()  local
1801 	nnode = branch->nnode;  in scan_get_nnode()
1802 	if (nnode) {  in scan_get_nnode()
1804 		path->ptr.nnode = nnode;  in scan_get_nnode()
1805 		return nnode;  in scan_get_nnode()
1807 	nnode = &path->nnode;  in scan_get_nnode()
1809 	path->ptr.nnode = nnode;  in scan_get_nnode()
1810 	memset(nnode, 0, sizeof(struct ubifs_nnode));  in scan_get_nnode()
1819 			nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in scan_get_nnode()
1825 		err = ubifs_unpack_nnode(c, buf, nnode);  in scan_get_nnode()
1829 	err = validate_nnode(c, nnode, parent, iip);  in scan_get_nnode()
1833 		nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in scan_get_nnode()
1834 	nnode->level = parent->level - 1;  in scan_get_nnode()
1835 	nnode->parent = parent;  in scan_get_nnode()
1836 	nnode->iip = iip;  in scan_get_nnode()
1837 	return nnode;  in scan_get_nnode()
1923 	struct ubifs_nnode *nnode;  in ubifs_lpt_scan_nolock()  local
1947 	path[0].ptr.nnode = c->nroot;  in ubifs_lpt_scan_nolock()
1951 	nnode = c->nroot;  in ubifs_lpt_scan_nolock()
1957 		nnode = scan_get_nnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
1958 		if (IS_ERR(nnode)) {  in ubifs_lpt_scan_nolock()
1959 			err = PTR_ERR(nnode);  in ubifs_lpt_scan_nolock()
1964 	pnode = scan_get_pnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
1989 				nnode = kmemdup(&path[h].nnode, sz, GFP_NOFS);  in ubifs_lpt_scan_nolock()
1990 				if (!nnode) {  in ubifs_lpt_scan_nolock()
1994 				parent = nnode->parent;  in ubifs_lpt_scan_nolock()
1995 				parent->nbranch[nnode->iip].nnode = nnode;  in ubifs_lpt_scan_nolock()
1996 				path[h].ptr.nnode = nnode;  in ubifs_lpt_scan_nolock()
1998 				path[h + 1].cnode.parent = nnode;  in ubifs_lpt_scan_nolock()
2054 			nnode = path[h].ptr.nnode;  in ubifs_lpt_scan_nolock()
2057 			iip = nnode->iip;  in ubifs_lpt_scan_nolock()
2064 			nnode = scan_get_nnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
2065 			if (IS_ERR(nnode)) {  in ubifs_lpt_scan_nolock()
2066 				err = PTR_ERR(nnode);  in ubifs_lpt_scan_nolock()
2071 		pnode = scan_get_pnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
2224 	struct ubifs_nnode *nnode, *nn;  in dbg_check_lpt_nodes()  local
2233 		nnode = cnode->parent;  in dbg_check_lpt_nodes()
2240 					  (nnode ? nnode->num : 0), cnode->iip);  in dbg_check_lpt_nodes()
2273 		cnode = (struct ubifs_cnode *)nnode;  in dbg_check_lpt_nodes()