tree: https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git simple_copy head: d6f32b90156624ae9dc06ef5873334a48e9b9806 commit: d6f32b90156624ae9dc06ef5873334a48e9b9806 [5/5] f2fs: use BLK_COPY ioctl for gc. config: xtensa-randconfig-r004-20210209 (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?id... git remote add chao-linux https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git git fetch --no-tags chao-linux simple_copy git checkout d6f32b90156624ae9dc06ef5873334a48e9b9806 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): fs/f2fs/node.c: In function '__write_node_page': 1526 | int ret = 0; | ^~~ vim +/ret +1526 fs/f2fs/node.c 1505 1506 static int __write_node_page(struct page *page, bool atomic, bool *submitted, 1507 struct writeback_control *wbc, bool do_balance, 1508 enum iostat_type io_type, unsigned int *seq_id, int do_copy) 1509 { 1510 struct f2fs_sb_info *sbi = F2FS_P_SB(page); 1511 nid_t nid; 1512 struct node_info ni; 1513 struct f2fs_io_info fio = { 1514 .sbi = sbi, 1515 .ino = ino_of_node(page), 1516 .type = NODE, 1517 .op = REQ_OP_WRITE, 1518 .op_flags = wbc_to_write_flags(wbc), 1519 .page = page, 1520 .encrypted_page = NULL, 1521 .submitted = false, 1522 .io_type = io_type, 1523 .io_wbc = wbc, 1524 }; 1525 unsigned int seq; 1527 1528 trace_f2fs_writepage(page, NODE); 1529 1530 if (unlikely(f2fs_cp_error(sbi))) { 1531 if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) { 1532 ClearPageUptodate(page); 1533 dec_page_count(sbi, F2FS_DIRTY_NODES); 1534 unlock_page(page); 1535 return 0; 1536 } 1537 goto redirty_out; 1538 } 1539 1540 if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) 1541 goto redirty_out; 1542 1543 if (!is_sbi_flag_set(sbi, SBI_CP_DISABLED) && 1544 wbc->sync_mode == WB_SYNC_NONE && 1545 IS_DNODE(page) && is_cold_node(page)) 1546 goto redirty_out; 1547 1548 /* get old block addr of this node page */ 1549 nid = nid_of_node(page); 1550 f2fs_bug_on(sbi, page->index != nid); 1551 1552 if (f2fs_get_node_info(sbi, nid, &ni)) 1553 goto redirty_out; 1554 1555 if (wbc->for_reclaim) { 1556 if (!down_read_trylock(&sbi->node_write)) 1557 goto redirty_out; 1558 } else { 1559 down_read(&sbi->node_write); 1560 } 1561 1562 /* This page is already truncated */ 1563 if (unlikely(ni.blk_addr == NULL_ADDR)) { 1564 ClearPageUptodate(page); 1565 dec_page_count(sbi, F2FS_DIRTY_NODES); 1566 up_read(&sbi->node_write); 1567 unlock_page(page); 1568 return 0; 1569 } 1570 1571 if (__is_valid_data_blkaddr(ni.blk_addr) && 1572 !f2fs_is_valid_blkaddr(sbi, ni.blk_addr, 1573 DATA_GENERIC_ENHANCE)) { 1574 up_read(&sbi->node_write); 1575 goto redirty_out; 1576 } 1577 1578 if (atomic && !test_opt(sbi, NOBARRIER)) 1579 fio.op_flags |= REQ_PREFLUSH | REQ_FUA; 1580 1581 /* should add to global list before clearing PAGECACHE status */ 1582 if (f2fs_in_warm_node_list(sbi, page)) { 1583 seq = f2fs_add_fsync_node_entry(sbi, page); 1584 if (seq_id) 1585 *seq_id = seq; 1586 } 1587 1588 set_page_writeback(page); 1589 ClearPageError(page); 1590 1591 fio.old_blkaddr = ni.blk_addr; 1592 ret = f2fs_do_write_node_page(nid, &fio, do_copy); 1593 set_node_addr(sbi, &ni, fio.new_blkaddr, is_fsync_dnode(page)); 1594 dec_page_count(sbi, F2FS_DIRTY_NODES); 1595 up_read(&sbi->node_write); 1596 1597 if (wbc->for_reclaim) { 1598 f2fs_submit_merged_write_cond(sbi, NULL, page, 0, NODE); 1599 submitted = NULL; 1600 } 1601 1602 unlock_page(page); 1603 1604 if (unlikely(f2fs_cp_error(sbi))) { 1605 f2fs_submit_merged_write(sbi, NODE); 1606 submitted = NULL; 1607 } 1608 if (submitted) 1609 *submitted = fio.submitted; 1610 1611 if (do_copy) { 1612 if (f2fs_in_warm_node_list(sbi, page)) 1613 f2fs_del_fsync_node_entry(sbi, page); 1614 clear_cold_data(page); 1615 } 1616 1617 if (do_balance) 1618 f2fs_balance_fs(sbi, false); 1619 return 0; 1620 1621 redirty_out: 1622 redirty_page_for_writepage(wbc, page); 1623 return AOP_WRITEPAGE_ACTIVATE; 1624 } 1625 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org