1109 static void __set_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr)  in __set_data_blkaddr()  argument
1111 	__le32 *addr = get_dnode_addr(dn->inode, dn->node_folio);  in __set_data_blkaddr()
1113 	dn->data_blkaddr = blkaddr;  in __set_data_blkaddr()
1114 	addr[dn->ofs_in_node] = cpu_to_le32(dn->data_blkaddr);  in __set_data_blkaddr()
1123 void f2fs_set_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr)  in f2fs_set_data_blkaddr()  argument
1125 	f2fs_folio_wait_writeback(dn->node_folio, NODE, true, true);  in f2fs_set_data_blkaddr()
1126 	__set_data_blkaddr(dn, blkaddr);  in f2fs_set_data_blkaddr()
1127 	if (folio_mark_dirty(dn->node_folio))  in f2fs_set_data_blkaddr()
1128 		dn->node_changed = true;  in f2fs_set_data_blkaddr()
1131 void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr)  in f2fs_update_data_blkaddr()  argument
1133 	f2fs_set_data_blkaddr(dn, blkaddr);  in f2fs_update_data_blkaddr()
1134 	f2fs_update_read_extent_cache(dn);  in f2fs_update_data_blkaddr()
1137 /* dn->ofs_in_node will be returned with up-to-date last block pointer */
1138 int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count)  in f2fs_reserve_new_blocks()  argument
1140 	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);  in f2fs_reserve_new_blocks()
1146 	if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC)))  in f2fs_reserve_new_blocks()
1148 	err = inc_valid_block_count(sbi, dn->inode, &count, true);  in f2fs_reserve_new_blocks()
1152 	trace_f2fs_reserve_new_blocks(dn->inode, dn->nid,  in f2fs_reserve_new_blocks()
1153 						dn->ofs_in_node, count);  in f2fs_reserve_new_blocks()
1155 	f2fs_folio_wait_writeback(dn->node_folio, NODE, true, true);  in f2fs_reserve_new_blocks()
1157 	for (; count > 0; dn->ofs_in_node++) {  in f2fs_reserve_new_blocks()
1158 		block_t blkaddr = f2fs_data_blkaddr(dn);  in f2fs_reserve_new_blocks()
1161 			__set_data_blkaddr(dn, NEW_ADDR);  in f2fs_reserve_new_blocks()
1166 	if (folio_mark_dirty(dn->node_folio))  in f2fs_reserve_new_blocks()
1167 		dn->node_changed = true;  in f2fs_reserve_new_blocks()
1171 /* Should keep dn->ofs_in_node unchanged */
1172 int f2fs_reserve_new_block(struct dnode_of_data *dn)  in f2fs_reserve_new_block()  argument
1174 	unsigned int ofs_in_node = dn->ofs_in_node;  in f2fs_reserve_new_block()
1177 	ret = f2fs_reserve_new_blocks(dn, 1);  in f2fs_reserve_new_block()
1178 	dn->ofs_in_node = ofs_in_node;  in f2fs_reserve_new_block()
1182 int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index)  in f2fs_reserve_block()  argument
1184 	bool need_put = dn->inode_folio ? false : true;  in f2fs_reserve_block()
1187 	err = f2fs_get_dnode_of_data(dn, index, ALLOC_NODE);  in f2fs_reserve_block()
1191 	if (dn->data_blkaddr == NULL_ADDR)  in f2fs_reserve_block()
1192 		err = f2fs_reserve_new_block(dn);  in f2fs_reserve_block()
1194 		f2fs_put_dnode(dn);  in f2fs_reserve_block()
1202 	struct dnode_of_data dn;  in f2fs_get_read_data_folio()  local
1211 						&dn.data_blkaddr)) {  in f2fs_get_read_data_folio()
1212 		if (!f2fs_is_valid_blkaddr(F2FS_I_SB(inode), dn.data_blkaddr,  in f2fs_get_read_data_folio()
1220 	set_new_dnode(&dn, inode, NULL, NULL, 0);  in f2fs_get_read_data_folio()
1221 	err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE);  in f2fs_get_read_data_folio()
1224 			*next_pgofs = f2fs_get_next_page_offset(&dn, index);  in f2fs_get_read_data_folio()
1227 	f2fs_put_dnode(&dn);  in f2fs_get_read_data_folio()
1229 	if (unlikely(dn.data_blkaddr == NULL_ADDR)) {  in f2fs_get_read_data_folio()
1235 	if (dn.data_blkaddr != NEW_ADDR &&  in f2fs_get_read_data_folio()
1237 						dn.data_blkaddr,  in f2fs_get_read_data_folio()
1255 	if (dn.data_blkaddr == NEW_ADDR) {  in f2fs_get_read_data_folio()
1263 	f2fs_submit_page_read(inode, folio, dn.data_blkaddr,  in f2fs_get_read_data_folio()
1339 	struct dnode_of_data dn;  in f2fs_get_new_data_folio()  local
1352 	set_new_dnode(&dn, inode, ifolio, NULL, 0);  in f2fs_get_new_data_folio()
1353 	err = f2fs_reserve_block(&dn, index);  in f2fs_get_new_data_folio()
1359 		f2fs_put_dnode(&dn);  in f2fs_get_new_data_folio()
1364 	if (dn.data_blkaddr == NEW_ADDR) {  in f2fs_get_new_data_folio()
1384 static int __allocate_data_block(struct dnode_of_data *dn, int seg_type)  in __allocate_data_block()  argument
1386 	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);  in __allocate_data_block()
1393 	if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC)))  in __allocate_data_block()
1396 	err = f2fs_get_node_info(sbi, dn->nid, &ni, false);  in __allocate_data_block()
1400 	dn->data_blkaddr = f2fs_data_blkaddr(dn);  in __allocate_data_block()
1401 	if (dn->data_blkaddr == NULL_ADDR) {  in __allocate_data_block()
1402 		err = inc_valid_block_count(sbi, dn->inode, &count, true);  in __allocate_data_block()
1407 	set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version);  in __allocate_data_block()
1408 	old_blkaddr = dn->data_blkaddr;  in __allocate_data_block()
1410 				&dn->data_blkaddr, &sum, seg_type, NULL);  in __allocate_data_block()
1417 	f2fs_update_data_blkaddr(dn, dn->data_blkaddr);  in __allocate_data_block()
1437 int f2fs_get_block_locked(struct dnode_of_data *dn, pgoff_t index)  in f2fs_get_block_locked()  argument
1439 	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);  in f2fs_get_block_locked()
1443 	if (!f2fs_lookup_read_extent_cache_block(dn->inode, index,  in f2fs_get_block_locked()
1444 						&dn->data_blkaddr))  in f2fs_get_block_locked()
1445 		err = f2fs_reserve_block(dn, index);  in f2fs_get_block_locked()
1452 		struct f2fs_map_blocks *map, struct dnode_of_data *dn,  in f2fs_map_no_dnode()  argument
1467 		*map->m_next_pgofs = f2fs_get_next_page_offset(dn, pgoff);  in f2fs_map_no_dnode()
1469 		*map->m_next_extent = f2fs_get_next_page_offset(dn, pgoff);  in f2fs_map_no_dnode()
1535 	struct dnode_of_data dn;  in f2fs_map_blocks()  local
1579 	set_new_dnode(&dn, inode, NULL, NULL, 0);  in f2fs_map_blocks()
1580 	err = f2fs_get_dnode_of_data(&dn, pgofs, mode);  in f2fs_map_blocks()
1585 			err = f2fs_map_no_dnode(inode, map, &dn, pgofs);  in f2fs_map_blocks()
1591 	last_ofs_in_node = ofs_in_node = dn.ofs_in_node;  in f2fs_map_blocks()
1592 	end_offset = ADDRS_PER_PAGE(dn.node_folio, inode);  in f2fs_map_blocks()
1595 	blkaddr = f2fs_data_blkaddr(&dn);  in f2fs_map_blocks()
1616 				last_ofs_in_node = dn.ofs_in_node;  in f2fs_map_blocks()
1621 			err = __allocate_data_block(&dn, map->m_seg_type);  in f2fs_map_blocks()
1634 		blkaddr = dn.data_blkaddr;  in f2fs_map_blocks()
1639 		    f2fs_sanity_check_cluster(&dn)) {  in f2fs_map_blocks()
1703 	dn.ofs_in_node++;  in f2fs_map_blocks()
1708 			(pgofs == end || dn.ofs_in_node == end_offset)) {  in f2fs_map_blocks()
1710 		dn.ofs_in_node = ofs_in_node;  in f2fs_map_blocks()
1711 		err = f2fs_reserve_new_blocks(&dn, prealloc);  in f2fs_map_blocks()
1715 		map->m_len += dn.ofs_in_node - ofs_in_node;  in f2fs_map_blocks()
1716 		if (prealloc && dn.ofs_in_node != last_ofs_in_node + 1) {  in f2fs_map_blocks()
1720 		dn.ofs_in_node = end_offset;  in f2fs_map_blocks()
1725 	else if (dn.ofs_in_node < end_offset)  in f2fs_map_blocks()
1732 			f2fs_update_read_extent_cache_range(&dn,  in f2fs_map_blocks()
1738 	f2fs_put_dnode(&dn);  in f2fs_map_blocks()
1742 		f2fs_balance_fs(sbi, dn.node_changed);  in f2fs_map_blocks()
1778 				f2fs_update_read_extent_cache_range(&dn,  in f2fs_map_blocks()
1785 	f2fs_put_dnode(&dn);  in f2fs_map_blocks()
1789 		f2fs_balance_fs(sbi, dn.node_changed);  in f2fs_map_blocks()
2173 	struct dnode_of_data dn;  in f2fs_read_multi_pages()  local
2230 	set_new_dnode(&dn, inode, NULL, NULL, 0);  in f2fs_read_multi_pages()
2231 	ret = f2fs_get_dnode_of_data(&dn, start_idx, LOOKUP_NODE);  in f2fs_read_multi_pages()
2235 	f2fs_bug_on(sbi, dn.data_blkaddr != COMPRESS_ADDR);  in f2fs_read_multi_pages()
2241 		blkaddr = from_dnode ? data_blkaddr(dn.inode, dn.node_folio,  in f2fs_read_multi_pages()
2242 					dn.ofs_in_node + i) :  in f2fs_read_multi_pages()
2275 		blkaddr = from_dnode ? data_blkaddr(dn.inode, dn.node_folio,  in f2fs_read_multi_pages()
2276 					dn.ofs_in_node + i + 1) :  in f2fs_read_multi_pages()
2315 		f2fs_put_dnode(&dn);  in f2fs_read_multi_pages()
2322 		f2fs_put_dnode(&dn);  in f2fs_read_multi_pages()
2639 	struct dnode_of_data dn;  in f2fs_do_write_data_page()  local
2649 		set_new_dnode(&dn, F2FS_I(inode)->cow_inode, NULL, NULL, 0);  in f2fs_do_write_data_page()
2651 		set_new_dnode(&dn, inode, NULL, NULL, 0);  in f2fs_do_write_data_page()
2669 	err = f2fs_get_dnode_of_data(&dn, folio->index, LOOKUP_NODE);  in f2fs_do_write_data_page()
2673 	fio->old_blkaddr = dn.data_blkaddr;  in f2fs_do_write_data_page()
2705 		f2fs_put_dnode(&dn);  in f2fs_do_write_data_page()
2728 	err = f2fs_get_node_info(fio->sbi, dn.nid, &ni, false);  in f2fs_do_write_data_page()
2744 	f2fs_outplace_write_data(&dn, fio);  in f2fs_do_write_data_page()
2750 	f2fs_put_dnode(&dn);  in f2fs_do_write_data_page()
3331 	struct dnode_of_data dn;  in prepare_write_begin()  local
3363 	set_new_dnode(&dn, inode, ifolio, ifolio, 0);  in prepare_write_begin()
3373 		err = f2fs_convert_inline_folio(&dn, folio);  in prepare_write_begin()
3374 		if (err || dn.data_blkaddr != NULL_ADDR)  in prepare_write_begin()
3379 						 &dn.data_blkaddr)) {  in prepare_write_begin()
3386 			err = f2fs_reserve_block(&dn, index);  in prepare_write_begin()
3391 		err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE);  in prepare_write_begin()
3392 		if (!err && dn.data_blkaddr != NULL_ADDR)  in prepare_write_begin()
3394 		f2fs_put_dnode(&dn);  in prepare_write_begin()
3403 		*blk_addr = dn.data_blkaddr;  in prepare_write_begin()
3404 		*node_changed = dn.node_changed;  in prepare_write_begin()
3406 	f2fs_put_dnode(&dn);  in prepare_write_begin()
3416 	struct dnode_of_data dn;  in __find_data_block()  local
3424 	set_new_dnode(&dn, inode, ifolio, ifolio, 0);  in __find_data_block()
3427 						 &dn.data_blkaddr)) {  in __find_data_block()
3429 		err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE);  in __find_data_block()
3431 			dn.data_blkaddr = NULL_ADDR;  in __find_data_block()
3435 	*blk_addr = dn.data_blkaddr;  in __find_data_block()
3436 	f2fs_put_dnode(&dn);  in __find_data_block()
3444 	struct dnode_of_data dn;  in __reserve_data_block()  local
3455 	set_new_dnode(&dn, inode, ifolio, ifolio, 0);  in __reserve_data_block()
3457 	if (!f2fs_lookup_read_extent_cache_block(dn.inode, index,  in __reserve_data_block()
3458 						&dn.data_blkaddr))  in __reserve_data_block()
3459 		err = f2fs_reserve_block(&dn, index);  in __reserve_data_block()
3461 	*blk_addr = dn.data_blkaddr;  in __reserve_data_block()
3462 	*node_changed = dn.node_changed;  in __reserve_data_block()
3463 	f2fs_put_dnode(&dn);  in __reserve_data_block()
3760 	struct dnode_of_data dn;  in f2fs_bmap_compress()  local
3766 	set_new_dnode(&dn, inode, NULL, NULL, 0);  in f2fs_bmap_compress()
3767 	ret = f2fs_get_dnode_of_data(&dn, start_idx, LOOKUP_NODE);  in f2fs_bmap_compress()
3771 	if (dn.data_blkaddr != COMPRESS_ADDR) {  in f2fs_bmap_compress()
3772 		dn.ofs_in_node += block - start_idx;  in f2fs_bmap_compress()
3773 		blknr = f2fs_data_blkaddr(&dn);  in f2fs_bmap_compress()
3778 	f2fs_put_dnode(&dn);  in f2fs_bmap_compress()