Hi Christoph, kernel test robot noticed the following build errors: [auto build test ERROR on brauner-vfs/vfs.all] [also build test ERROR on xfs-linux/for-next gfs2/for-next linus/master v6.16-rc5 next-20250708] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Christoph-Hellwig/iomap-pass-more-arguments-using-the-iomap-writeback-context/20250708-225155 base: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all patch link: https://lore.kernel.org/r/20250708135132.3347932-2-hch%40lst.de patch subject: [PATCH 01/14] iomap: header diet config: arc-randconfig-001-20250709 (https://download.01.org/0day-ci/archive/20250709/202507091656.dMTKUTBY-lkp@xxxxxxxxx/config) compiler: arc-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250709/202507091656.dMTKUTBY-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202507091656.dMTKUTBY-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): fs/iomap/buffered-io.c: In function 'iomap_dirty_folio': >> fs/iomap/buffered-io.c:642:9: error: implicit declaration of function 'filemap_dirty_folio'; did you mean 'iomap_dirty_folio'? [-Werror=implicit-function-declaration] return filemap_dirty_folio(mapping, folio); ^~~~~~~~~~~~~~~~~~~ iomap_dirty_folio fs/iomap/buffered-io.c: In function 'iomap_write_iter': >> fs/iomap/buffered-io.c:930:58: error: 'BDP_ASYNC' undeclared (first use in this function); did you mean 'I_SYNC'? unsigned int bdp_flags = (iter->flags & IOMAP_NOWAIT) ? BDP_ASYNC : 0; ^~~~~~~~~ I_SYNC fs/iomap/buffered-io.c:930:58: note: each undeclared identifier is reported only once for each function it appears in >> fs/iomap/buffered-io.c:945:12: error: implicit declaration of function 'balance_dirty_pages_ratelimited_flags' [-Werror=implicit-function-declaration] status = balance_dirty_pages_ratelimited_flags(mapping, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/iomap/buffered-io.c: In function 'iomap_unshare_iter': >> fs/iomap/buffered-io.c:1309:3: error: implicit declaration of function 'balance_dirty_pages_ratelimited'; did you mean 'pr_alert_ratelimited'? [-Werror=implicit-function-declaration] balance_dirty_pages_ratelimited(iter->inode->i_mapping); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ pr_alert_ratelimited fs/iomap/buffered-io.c: In function 'iomap_zero_iter': >> fs/iomap/buffered-io.c:1376:3: error: implicit declaration of function 'folio_mark_accessed'; did you mean 'folio_wait_locked'? [-Werror=implicit-function-declaration] folio_mark_accessed(folio); ^~~~~~~~~~~~~~~~~~~ folio_wait_locked fs/iomap/buffered-io.c: In function 'iomap_alloc_ioend': fs/iomap/buffered-io.c:1624:26: error: implicit declaration of function 'wbc_to_write_flags'; did you mean 'do_pipe_flags'? [-Werror=implicit-function-declaration] REQ_OP_WRITE | wbc_to_write_flags(wbc), ^~~~~~~~~~~~~~~~~~ do_pipe_flags fs/iomap/buffered-io.c:1629:2: error: implicit declaration of function 'wbc_init_bio'; did you mean 'arc_init_IRQ'? [-Werror=implicit-function-declaration] wbc_init_bio(wbc, bio); ^~~~~~~~~~~~ arc_init_IRQ fs/iomap/buffered-io.c: In function 'iomap_add_to_ioend': fs/iomap/buffered-io.c:1748:2: error: implicit declaration of function 'wbc_account_cgroup_owner'; did you mean 'pr_cont_cgroup_name'? [-Werror=implicit-function-declaration] wbc_account_cgroup_owner(wbc, folio, len); ^~~~~~~~~~~~~~~~~~~~~~~~ pr_cont_cgroup_name fs/iomap/buffered-io.c: In function 'iomap_writepages': >> fs/iomap/buffered-io.c:1965:18: error: implicit declaration of function 'writeback_iter'; did you mean 'write_lock_irq'? [-Werror=implicit-function-declaration] while ((folio = writeback_iter(mapping, wbc, folio, &error))) ^~~~~~~~~~~~~~ write_lock_irq >> fs/iomap/buffered-io.c:1965:16: warning: assignment to 'struct folio *' from 'int' makes pointer from integer without a cast [-Wint-conversion] while ((folio = writeback_iter(mapping, wbc, folio, &error))) ^ cc1: some warnings being treated as errors vim +642 fs/iomap/buffered-io.c 8306a5f5630552 Matthew Wilcox (Oracle 2021-04-28 634) 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 635) bool iomap_dirty_folio(struct address_space *mapping, struct folio *folio) 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 636) { 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 637) struct inode *inode = mapping->host; 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 638) size_t len = folio_size(folio); 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 639) 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 640) ifs_alloc(inode, folio, 0); 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 641) iomap_set_range_dirty(folio, 0, len); 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 @642) return filemap_dirty_folio(mapping, folio); 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 643) } 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 644) EXPORT_SYMBOL_GPL(iomap_dirty_folio); 4ce02c67972211 Ritesh Harjani (IBM 2023-07-10 645) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
