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()
754 					nnode->nbranch[j].lnum = blnum;  in ubifs_create_dflt_lpt()
755 					nnode->nbranch[j].offs = boffs;  in ubifs_create_dflt_lpt()
759 					nnode->nbranch[j].lnum = 0;  in ubifs_create_dflt_lpt()
760 					nnode->nbranch[j].offs = 0;  in ubifs_create_dflt_lpt()
763 			nnode->num = calc_nnode_num(row, i);  in ubifs_create_dflt_lpt()
764 			ubifs_pack_nnode(c, p, nnode);  in ubifs_create_dflt_lpt()
859 	kfree(nnode);  in ubifs_create_dflt_lpt()
1004 		       struct ubifs_nnode *nnode)  in ubifs_unpack_nnode()  argument
1013 		nnode->num = ubifs_unpack_bits(&addr, &pos, c->pcnt_bits);  in ubifs_unpack_nnode()
1021 		nnode->nbranch[i].lnum = lnum;  in ubifs_unpack_nnode()
1022 		nnode->nbranch[i].offs = ubifs_unpack_bits(&addr, &pos,  in ubifs_unpack_nnode()
1096 static int validate_nnode(const struct ubifs_info *c, struct ubifs_nnode *nnode,  in validate_nnode()  argument
1104 		if (nnode->num != num)  in validate_nnode()
1115 		int lnum = nnode->nbranch[i].lnum;  in validate_nnode()
1116 		int offs = nnode->nbranch[i].offs;  in validate_nnode()
1198 	struct ubifs_nnode *nnode = NULL;  in ubifs_read_nnode()  local
1210 	nnode = kzalloc(sizeof(struct ubifs_nnode), GFP_NOFS);  in ubifs_read_nnode()
1211 	if (!nnode) {  in ubifs_read_nnode()
1223 			nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in ubifs_read_nnode()
1228 		err = ubifs_unpack_nnode(c, buf, nnode);  in ubifs_read_nnode()
1232 	err = validate_nnode(c, nnode, parent, iip);  in ubifs_read_nnode()
1236 		nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in ubifs_read_nnode()
1238 		branch->nnode = nnode;  in ubifs_read_nnode()
1239 		nnode->level = parent->level - 1;  in ubifs_read_nnode()
1241 		c->nroot = nnode;  in ubifs_read_nnode()
1242 		nnode->level = c->lpt_hght;  in ubifs_read_nnode()
1244 	nnode->parent = parent;  in ubifs_read_nnode()
1245 	nnode->iip = iip;  in ubifs_read_nnode()
1250 	kfree(nnode);  in ubifs_read_nnode()
1397 	struct ubifs_nnode *nnode;  in ubifs_get_nnode()  local
1401 	nnode = branch->nnode;  in ubifs_get_nnode()
1402 	if (nnode)  in ubifs_get_nnode()
1403 		return nnode;  in ubifs_get_nnode()
1407 	return branch->nnode;  in ubifs_get_nnode()
1448 	struct ubifs_nnode *nnode;  in ubifs_lpt_lookup()  local
1456 	nnode = c->nroot;  in ubifs_lpt_lookup()
1462 		nnode = ubifs_get_nnode(c, nnode, iip);  in ubifs_lpt_lookup()
1463 		if (IS_ERR(nnode))  in ubifs_lpt_lookup()
1464 			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()
1505 	memcpy(n, nnode, sizeof(struct ubifs_nnode));  in dirty_cow_nnode()
1518 	ubifs_assert(!test_bit(OBSOLETE_CNODE, &nnode->flags));  in dirty_cow_nnode()
1519 	__set_bit(OBSOLETE_CNODE, &nnode->flags);  in dirty_cow_nnode()
1522 	ubifs_add_nnode_dirt(c, nnode);  in dirty_cow_nnode()
1523 	if (nnode->parent)  in dirty_cow_nnode()
1524 		nnode->parent->nbranch[n->iip].nnode = n;  in dirty_cow_nnode()
1582 	struct ubifs_nnode *nnode;  in ubifs_lpt_lookup_dirty()  local
1590 	nnode = c->nroot;  in ubifs_lpt_lookup_dirty()
1591 	nnode = dirty_cow_nnode(c, nnode);  in ubifs_lpt_lookup_dirty()
1592 	if (IS_ERR(nnode))  in ubifs_lpt_lookup_dirty()
1593 		return ERR_CAST(nnode);  in ubifs_lpt_lookup_dirty()
1599 		nnode = ubifs_get_nnode(c, nnode, iip);  in ubifs_lpt_lookup_dirty()
1600 		if (IS_ERR(nnode))  in ubifs_lpt_lookup_dirty()
1601 			return ERR_CAST(nnode);  in ubifs_lpt_lookup_dirty()
1602 		nnode = dirty_cow_nnode(c, nnode);  in ubifs_lpt_lookup_dirty()
1603 		if (IS_ERR(nnode))  in ubifs_lpt_lookup_dirty()
1604 			return ERR_CAST(nnode);  in ubifs_lpt_lookup_dirty()
1608 	pnode = ubifs_get_pnode(c, nnode, iip);  in ubifs_lpt_lookup_dirty()
1765 		struct ubifs_nnode nnode;  member
1771 		struct ubifs_nnode *nnode;  member
1792 	struct ubifs_nnode *nnode;  in scan_get_nnode()  local
1797 	nnode = branch->nnode;  in scan_get_nnode()
1798 	if (nnode) {  in scan_get_nnode()
1800 		path->ptr.nnode = nnode;  in scan_get_nnode()
1801 		return nnode;  in scan_get_nnode()
1803 	nnode = &path->nnode;  in scan_get_nnode()
1805 	path->ptr.nnode = nnode;  in scan_get_nnode()
1806 	memset(nnode, 0, sizeof(struct ubifs_nnode));  in scan_get_nnode()
1815 			nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in scan_get_nnode()
1821 		err = ubifs_unpack_nnode(c, buf, nnode);  in scan_get_nnode()
1825 	err = validate_nnode(c, nnode, parent, iip);  in scan_get_nnode()
1829 		nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in scan_get_nnode()
1830 	nnode->level = parent->level - 1;  in scan_get_nnode()
1831 	nnode->parent = parent;  in scan_get_nnode()
1832 	nnode->iip = iip;  in scan_get_nnode()
1833 	return nnode;  in scan_get_nnode()
1919 	struct ubifs_nnode *nnode;  in ubifs_lpt_scan_nolock()  local
1943 	path[0].ptr.nnode = c->nroot;  in ubifs_lpt_scan_nolock()
1947 	nnode = c->nroot;  in ubifs_lpt_scan_nolock()
1953 		nnode = scan_get_nnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
1954 		if (IS_ERR(nnode)) {  in ubifs_lpt_scan_nolock()
1955 			err = PTR_ERR(nnode);  in ubifs_lpt_scan_nolock()
1961 	pnode = scan_get_pnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
1986 				nnode = kmalloc(sz, GFP_NOFS);  in ubifs_lpt_scan_nolock()
1987 				if (!nnode) {  in ubifs_lpt_scan_nolock()
1991 				memcpy(nnode, &path[h].nnode, sz);  in ubifs_lpt_scan_nolock()
1992 				parent = nnode->parent;  in ubifs_lpt_scan_nolock()
1993 				parent->nbranch[nnode->iip].nnode = nnode;  in ubifs_lpt_scan_nolock()
1994 				path[h].ptr.nnode = nnode;  in ubifs_lpt_scan_nolock()
1996 				path[h + 1].cnode.parent = nnode;  in ubifs_lpt_scan_nolock()
2053 			nnode = path[h].ptr.nnode;  in ubifs_lpt_scan_nolock()
2056 			iip = nnode->iip;  in ubifs_lpt_scan_nolock()
2063 			nnode = scan_get_nnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
2064 			if (IS_ERR(nnode)) {  in ubifs_lpt_scan_nolock()
2065 				err = PTR_ERR(nnode);  in ubifs_lpt_scan_nolock()
2070 		pnode = scan_get_pnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
2223 	struct ubifs_nnode *nnode, *nn;  in dbg_check_lpt_nodes()  local
2232 		nnode = cnode->parent;  in dbg_check_lpt_nodes()
2239 					(nnode ? nnode->num : 0), cnode->iip);  in dbg_check_lpt_nodes()
2272 		cnode = (struct ubifs_cnode *)nnode;  in dbg_check_lpt_nodes()