646 pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs)  in f2fs_get_next_page_offset()  argument
648 	const long direct_index = ADDRS_PER_INODE(dn->inode);  in f2fs_get_next_page_offset()
649 	const long direct_blks = ADDRS_PER_BLOCK(dn->inode);  in f2fs_get_next_page_offset()
650 	const long indirect_blks = ADDRS_PER_BLOCK(dn->inode) * NIDS_PER_BLOCK;  in f2fs_get_next_page_offset()
651 	unsigned int skipped_unit = ADDRS_PER_BLOCK(dn->inode);  in f2fs_get_next_page_offset()
652 	int cur_level = dn->cur_level;  in f2fs_get_next_page_offset()
653 	int max_level = dn->max_level;  in f2fs_get_next_page_offset()
656 	if (!dn->max_level)  in f2fs_get_next_page_offset()
662 	switch (dn->max_level) {  in f2fs_get_next_page_offset()
673 		f2fs_bug_on(F2FS_I_SB(dn->inode), 1);  in f2fs_get_next_page_offset()
758  * Caller should call f2fs_put_dnode(dn).
762 int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode)  in f2fs_get_dnode_of_data()  argument
764 	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);  in f2fs_get_dnode_of_data()
773 	level = get_node_path(dn->inode, index, offset, noffset);  in f2fs_get_dnode_of_data()
777 	nids[0] = dn->inode->i_ino;  in f2fs_get_dnode_of_data()
778 	npage[0] = dn->inode_page;  in f2fs_get_dnode_of_data()
787 	if (f2fs_has_inline_data(dn->inode) && index) {  in f2fs_get_dnode_of_data()
796 	dn->inode_page = npage[0];  in f2fs_get_dnode_of_data()
797 	dn->inode_page_locked = true;  in f2fs_get_dnode_of_data()
810 			dn->nid = nids[i];  in f2fs_get_dnode_of_data()
811 			npage[i] = f2fs_new_node_page(dn, noffset[i]);  in f2fs_get_dnode_of_data()
830 			dn->inode_page_locked = false;  in f2fs_get_dnode_of_data()
849 	dn->nid = nids[level];  in f2fs_get_dnode_of_data()
850 	dn->ofs_in_node = offset[level];  in f2fs_get_dnode_of_data()
851 	dn->node_page = npage[level];  in f2fs_get_dnode_of_data()
852 	dn->data_blkaddr = f2fs_data_blkaddr(dn);  in f2fs_get_dnode_of_data()
854 	if (is_inode_flag_set(dn->inode, FI_COMPRESSED_FILE) &&  in f2fs_get_dnode_of_data()
856 		unsigned int cluster_size = F2FS_I(dn->inode)->i_cluster_size;  in f2fs_get_dnode_of_data()
857 		unsigned int ofs_in_node = dn->ofs_in_node;  in f2fs_get_dnode_of_data()
868 		c_len = f2fs_cluster_blocks_are_contiguous(dn, ofs_in_node);  in f2fs_get_dnode_of_data()
872 		blkaddr = data_blkaddr(dn->inode, dn->node_page, ofs_in_node);  in f2fs_get_dnode_of_data()
874 			blkaddr = data_blkaddr(dn->inode, dn->node_page,  in f2fs_get_dnode_of_data()
877 		f2fs_update_read_extent_tree_range_compressed(dn->inode,  in f2fs_get_dnode_of_data()
888 	dn->inode_page = NULL;  in f2fs_get_dnode_of_data()
889 	dn->node_page = NULL;  in f2fs_get_dnode_of_data()
891 		dn->cur_level = i;  in f2fs_get_dnode_of_data()
892 		dn->max_level = level;  in f2fs_get_dnode_of_data()
893 		dn->ofs_in_node = offset[level];  in f2fs_get_dnode_of_data()
898 static int truncate_node(struct dnode_of_data *dn)  in truncate_node()  argument
900 	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);  in truncate_node()
905 	err = f2fs_get_node_info(sbi, dn->nid, &ni, false);  in truncate_node()
921 	dec_valid_node_count(sbi, dn->inode, dn->nid == dn->inode->i_ino);  in truncate_node()
924 	if (dn->nid == dn->inode->i_ino) {  in truncate_node()
925 		f2fs_remove_orphan_inode(sbi, dn->nid);  in truncate_node()
927 		f2fs_inode_synced(dn->inode);  in truncate_node()
930 	clear_node_page_dirty(dn->node_page);  in truncate_node()
933 	index = page_folio(dn->node_page)->index;  in truncate_node()
934 	f2fs_put_page(dn->node_page, 1);  in truncate_node()
939 	dn->node_page = NULL;  in truncate_node()
940 	trace_f2fs_truncate_node(dn->inode, dn->nid, ni.blk_addr);  in truncate_node()
945 static int truncate_dnode(struct dnode_of_data *dn)  in truncate_dnode()  argument
947 	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);  in truncate_dnode()
951 	if (dn->nid == 0)  in truncate_dnode()
955 	page = f2fs_get_node_page(sbi, dn->nid);  in truncate_dnode()
961 	if (IS_INODE(page) || ino_of_node(page) != dn->inode->i_ino) {  in truncate_dnode()
963 				dn->inode->i_ino, dn->nid, ino_of_node(page));  in truncate_dnode()
971 	dn->node_page = page;  in truncate_dnode()
972 	dn->ofs_in_node = 0;  in truncate_dnode()
973 	f2fs_truncate_data_blocks_range(dn, ADDRS_PER_BLOCK(dn->inode));  in truncate_dnode()
974 	err = truncate_node(dn);  in truncate_dnode()
983 static int truncate_nodes(struct dnode_of_data *dn, unsigned int nofs,  in truncate_nodes()  argument
986 	struct dnode_of_data rdn = *dn;  in truncate_nodes()
994 	if (dn->nid == 0)  in truncate_nodes()
997 	trace_f2fs_truncate_nodes_enter(dn->inode, dn->nid, dn->data_blkaddr);  in truncate_nodes()
999 	page = f2fs_get_node_page(F2FS_I_SB(dn->inode), dn->nid);  in truncate_nodes()
1001 		trace_f2fs_truncate_nodes_exit(dn->inode, PTR_ERR(page));  in truncate_nodes()
1018 				dn->node_changed = true;  in truncate_nodes()
1032 					dn->node_changed = true;  in truncate_nodes()
1043 		dn->node_page = page;  in truncate_nodes()
1044 		ret = truncate_node(dn);  in truncate_nodes()
1051 	trace_f2fs_truncate_nodes_exit(dn->inode, freed);  in truncate_nodes()
1056 	trace_f2fs_truncate_nodes_exit(dn->inode, ret);  in truncate_nodes()
1060 static int truncate_partial_nodes(struct dnode_of_data *dn,  in truncate_partial_nodes()  argument
1070 	nid[0] = get_nid(dn->inode_page, offset[0], true);  in truncate_partial_nodes()
1077 		pages[i] = f2fs_get_node_page(F2FS_I_SB(dn->inode), nid[i]);  in truncate_partial_nodes()
1093 		dn->nid = child_nid;  in truncate_partial_nodes()
1094 		err = truncate_dnode(dn);  in truncate_partial_nodes()
1098 			dn->node_changed = true;  in truncate_partial_nodes()
1102 		dn->node_page = pages[idx];  in truncate_partial_nodes()
1103 		dn->nid = nid[idx];  in truncate_partial_nodes()
1104 		err = truncate_node(dn);  in truncate_partial_nodes()
1117 	trace_f2fs_truncate_partial_nodes(dn->inode, nid, depth, err);  in truncate_partial_nodes()
1132 	struct dnode_of_data dn;  in f2fs_truncate_inode_blocks()  local
1156 	set_new_dnode(&dn, inode, page, NULL, 0);  in f2fs_truncate_inode_blocks()
1169 		err = truncate_partial_nodes(&dn, ri, offset, level);  in f2fs_truncate_inode_blocks()
1178 		err = truncate_partial_nodes(&dn, ri, offset, level);  in f2fs_truncate_inode_blocks()
1188 		dn.nid = get_nid(page, offset[0], true);  in f2fs_truncate_inode_blocks()
1192 			err = truncate_dnode(&dn);  in f2fs_truncate_inode_blocks()
1197 			err = truncate_nodes(&dn, nofs, offset[1], 2);  in f2fs_truncate_inode_blocks()
1201 			err = truncate_nodes(&dn, nofs, offset[1], 3);  in f2fs_truncate_inode_blocks()
1214 				inode->i_ino, dn.nid, offset[0],  in f2fs_truncate_inode_blocks()
1241 	struct dnode_of_data dn;  in f2fs_truncate_xattr_node()  local
1252 	set_new_dnode(&dn, inode, NULL, npage, nid);  in f2fs_truncate_xattr_node()
1253 	err = truncate_node(&dn);  in f2fs_truncate_xattr_node()
1270 	struct dnode_of_data dn;  in f2fs_remove_inode_page()  local
1273 	set_new_dnode(&dn, inode, NULL, NULL, inode->i_ino);  in f2fs_remove_inode_page()
1274 	err = f2fs_get_dnode_of_data(&dn, 0, LOOKUP_NODE);  in f2fs_remove_inode_page()
1280 		f2fs_put_dnode(&dn);  in f2fs_remove_inode_page()
1288 		f2fs_truncate_data_blocks_range(&dn, 1);  in f2fs_remove_inode_page()
1292 		f2fs_put_dnode(&dn);  in f2fs_remove_inode_page()
1304 	err = truncate_node(&dn);  in f2fs_remove_inode_page()
1306 		f2fs_put_dnode(&dn);  in f2fs_remove_inode_page()
1314 	struct dnode_of_data dn;  in f2fs_new_inode_page()  local
1317 	set_new_dnode(&dn, inode, NULL, NULL, inode->i_ino);  in f2fs_new_inode_page()
1320 	return f2fs_new_node_page(&dn, 0);  in f2fs_new_inode_page()
1323 struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs)  in f2fs_new_node_page()  argument
1325 	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);  in f2fs_new_node_page()
1330 	if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC)))  in f2fs_new_node_page()
1333 	page = f2fs_grab_cache_page(NODE_MAPPING(sbi), dn->nid, false);  in f2fs_new_node_page()
1337 	if (unlikely((err = inc_valid_node_count(sbi, dn->inode, !ofs))))  in f2fs_new_node_page()
1341 	err = f2fs_get_node_info(sbi, dn->nid, &new_ni, false);  in f2fs_new_node_page()
1343 		dec_valid_node_count(sbi, dn->inode, !ofs);  in f2fs_new_node_page()
1348 		dec_valid_node_count(sbi, dn->inode, !ofs);  in f2fs_new_node_page()
1359 	new_ni.nid = dn->nid;  in f2fs_new_node_page()
1360 	new_ni.ino = dn->inode->i_ino;  in f2fs_new_node_page()
1367 	fill_node_footer(page, dn->nid, dn->inode->i_ino, ofs, true);  in f2fs_new_node_page()
1368 	set_cold_node(page, S_ISDIR(dn->inode->i_mode));  in f2fs_new_node_page()
1372 		dn->node_changed = true;  in f2fs_new_node_page()
1375 		f2fs_i_xnid_write(dn->inode, dn->nid);  in f2fs_new_node_page()
2744 	struct dnode_of_data dn;  in f2fs_recover_xattr_data()  local
2766 	set_new_dnode(&dn, inode, NULL, NULL, new_xnid);  in f2fs_recover_xattr_data()
2767 	xpage = f2fs_new_node_page(&dn, XATTR_NODE_OFFSET);  in f2fs_recover_xattr_data()