379 		      struct ubifs_nnode *nnode)  in ubifs_pack_nnode()  argument
387 		pack_bits(&addr, &pos, nnode->num, c->pcnt_bits);  in ubifs_pack_nnode()
389 		int lnum = nnode->nbranch[i].lnum;  in ubifs_pack_nnode()
394 		pack_bits(&addr, &pos, nnode->nbranch[i].offs,  in ubifs_pack_nnode()
489 void ubifs_add_nnode_dirt(struct ubifs_info *c, struct ubifs_nnode *nnode)  in ubifs_add_nnode_dirt()  argument
491 	struct ubifs_nnode *np = nnode->parent;  in ubifs_add_nnode_dirt()
494 		ubifs_add_lpt_dirt(c, np->nbranch[nnode->iip].lnum,  in ubifs_add_nnode_dirt()
609 	struct ubifs_nnode *nnode = NULL;  in ubifs_create_dflt_lpt()  local
628 	nnode = kzalloc(sizeof(struct ubifs_nnode), GFP_KERNEL);  in ubifs_create_dflt_lpt()
631 	if (!pnode || !nnode || !buf || !ltab || !lsave) {  in ubifs_create_dflt_lpt()
747 					nnode->nbranch[j].lnum = blnum;  in ubifs_create_dflt_lpt()
748 					nnode->nbranch[j].offs = boffs;  in ubifs_create_dflt_lpt()
752 					nnode->nbranch[j].lnum = 0;  in ubifs_create_dflt_lpt()
753 					nnode->nbranch[j].offs = 0;  in ubifs_create_dflt_lpt()
756 			nnode->num = calc_nnode_num(row, i);  in ubifs_create_dflt_lpt()
757 			ubifs_pack_nnode(c, p, nnode);  in ubifs_create_dflt_lpt()
851 	kfree(nnode);  in ubifs_create_dflt_lpt()
997 		       struct ubifs_nnode *nnode)  in ubifs_unpack_nnode()  argument
1006 		nnode->num = ubifs_unpack_bits(&addr, &pos, c->pcnt_bits);  in ubifs_unpack_nnode()
1014 		nnode->nbranch[i].lnum = lnum;  in ubifs_unpack_nnode()
1015 		nnode->nbranch[i].offs = ubifs_unpack_bits(&addr, &pos,  in ubifs_unpack_nnode()
1091 static int validate_nnode(const struct ubifs_info *c, struct ubifs_nnode *nnode,  in validate_nnode()  argument
1099 		if (nnode->num != num)  in validate_nnode()
1110 		int lnum = nnode->nbranch[i].lnum;  in validate_nnode()
1111 		int offs = nnode->nbranch[i].offs;  in validate_nnode()
1193 	struct ubifs_nnode *nnode = NULL;  in ubifs_read_nnode()  local
1205 	nnode = kzalloc(sizeof(struct ubifs_nnode), GFP_NOFS);  in ubifs_read_nnode()
1206 	if (!nnode) {  in ubifs_read_nnode()
1218 			nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in ubifs_read_nnode()
1223 		err = ubifs_unpack_nnode(c, buf, nnode);  in ubifs_read_nnode()
1227 	err = validate_nnode(c, nnode, parent, iip);  in ubifs_read_nnode()
1231 		nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in ubifs_read_nnode()
1233 		branch->nnode = nnode;  in ubifs_read_nnode()
1234 		nnode->level = parent->level - 1;  in ubifs_read_nnode()
1236 		c->nroot = nnode;  in ubifs_read_nnode()
1237 		nnode->level = c->lpt_hght;  in ubifs_read_nnode()
1239 	nnode->parent = parent;  in ubifs_read_nnode()
1240 	nnode->iip = iip;  in ubifs_read_nnode()
1246 	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()
1467 	pnode = ubifs_get_pnode(c, nnode, iip);  in ubifs_lpt_lookup()
1485 					   struct ubifs_nnode *nnode)  in dirty_cow_nnode()  argument
1490 	if (!test_bit(COW_CNODE, &nnode->flags)) {  in dirty_cow_nnode()
1492 		if (!test_and_set_bit(DIRTY_CNODE, &nnode->flags)) {  in dirty_cow_nnode()
1494 			ubifs_add_nnode_dirt(c, nnode);  in dirty_cow_nnode()
1496 		return nnode;  in dirty_cow_nnode()
1504 	memcpy(n, nnode, sizeof(struct ubifs_nnode));  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()
1581 	struct ubifs_nnode *nnode;  in ubifs_lpt_lookup_dirty()  local
1589 	nnode = c->nroot;  in ubifs_lpt_lookup_dirty()
1590 	nnode = dirty_cow_nnode(c, nnode);  in ubifs_lpt_lookup_dirty()
1591 	if (IS_ERR(nnode))  in ubifs_lpt_lookup_dirty()
1592 		return ERR_CAST(nnode);  in ubifs_lpt_lookup_dirty()
1598 		nnode = ubifs_get_nnode(c, nnode, iip);  in ubifs_lpt_lookup_dirty()
1599 		if (IS_ERR(nnode))  in ubifs_lpt_lookup_dirty()
1600 			return ERR_CAST(nnode);  in ubifs_lpt_lookup_dirty()
1601 		nnode = dirty_cow_nnode(c, nnode);  in ubifs_lpt_lookup_dirty()
1602 		if (IS_ERR(nnode))  in ubifs_lpt_lookup_dirty()
1603 			return ERR_CAST(nnode);  in ubifs_lpt_lookup_dirty()
1606 	pnode = ubifs_get_pnode(c, nnode, iip);  in ubifs_lpt_lookup_dirty()
1776 		struct ubifs_nnode nnode;  member
1782 		struct ubifs_nnode *nnode;  member
1803 	struct ubifs_nnode *nnode;  in scan_get_nnode()  local
1808 	nnode = branch->nnode;  in scan_get_nnode()
1809 	if (nnode) {  in scan_get_nnode()
1811 		path->ptr.nnode = nnode;  in scan_get_nnode()
1812 		return nnode;  in scan_get_nnode()
1814 	nnode = &path->nnode;  in scan_get_nnode()
1816 	path->ptr.nnode = nnode;  in scan_get_nnode()
1817 	memset(nnode, 0, sizeof(struct ubifs_nnode));  in scan_get_nnode()
1826 			nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in scan_get_nnode()
1832 		err = ubifs_unpack_nnode(c, buf, nnode);  in scan_get_nnode()
1836 	err = validate_nnode(c, nnode, parent, iip);  in scan_get_nnode()
1840 		nnode->num = calc_nnode_num_from_parent(c, parent, iip);  in scan_get_nnode()
1841 	nnode->level = parent->level - 1;  in scan_get_nnode()
1842 	nnode->parent = parent;  in scan_get_nnode()
1843 	nnode->iip = iip;  in scan_get_nnode()
1844 	return nnode;  in scan_get_nnode()
1930 	struct ubifs_nnode *nnode;  in ubifs_lpt_scan_nolock()  local
1954 	path[0].ptr.nnode = c->nroot;  in ubifs_lpt_scan_nolock()
1958 	nnode = c->nroot;  in ubifs_lpt_scan_nolock()
1964 		nnode = scan_get_nnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
1965 		if (IS_ERR(nnode)) {  in ubifs_lpt_scan_nolock()
1966 			err = PTR_ERR(nnode);  in ubifs_lpt_scan_nolock()
1971 	pnode = scan_get_pnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
1996 				nnode = kmemdup(&path[h].nnode, sz, GFP_NOFS);  in ubifs_lpt_scan_nolock()
1997 				if (!nnode) {  in ubifs_lpt_scan_nolock()
2001 				parent = nnode->parent;  in ubifs_lpt_scan_nolock()
2002 				parent->nbranch[nnode->iip].nnode = nnode;  in ubifs_lpt_scan_nolock()
2003 				path[h].ptr.nnode = nnode;  in ubifs_lpt_scan_nolock()
2005 				path[h + 1].cnode.parent = nnode;  in ubifs_lpt_scan_nolock()
2061 			nnode = path[h].ptr.nnode;  in ubifs_lpt_scan_nolock()
2064 			iip = nnode->iip;  in ubifs_lpt_scan_nolock()
2071 			nnode = scan_get_nnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
2072 			if (IS_ERR(nnode)) {  in ubifs_lpt_scan_nolock()
2073 				err = PTR_ERR(nnode);  in ubifs_lpt_scan_nolock()
2078 		pnode = scan_get_pnode(c, path + h, nnode, iip);  in ubifs_lpt_scan_nolock()
2231 	struct ubifs_nnode *nnode, *nn;  in dbg_check_lpt_nodes()  local
2240 		nnode = cnode->parent;  in dbg_check_lpt_nodes()
2247 					  (nnode ? nnode->num : 0), cnode->iip);  in dbg_check_lpt_nodes()
2280 		cnode = (struct ubifs_cnode *)nnode;  in dbg_check_lpt_nodes()