| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <202509300940.yjAtss49-lkp@intel.com>
Date: Tue, 30 Sep 2025 09:57:37 +0800
From: kernel test robot <lkp@...el.com>
To: Julian Sun <sunjunchao@...edance.com>, linux-fsdevel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org,
ceph-devel@...r.kernel.org, linux-btrfs@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, clm@...com, dsterba@...e.com,
xiubli@...hat.com, idryomov@...il.com, tytso@....edu,
adilger.kernel@...ger.ca, jaegeuk@...nel.org, chao@...nel.org,
willy@...radead.org, jack@...e.cz, brauner@...nel.org,
agruenba@...hat.com
Subject: Re: [PATCH v2] fs: Make wbc_to_tag() inline and use it in fs.
Hi Julian,
kernel test robot noticed the following build errors:
[auto build test ERROR on kdave/for-next]
[also build test ERROR on ceph-client/testing ceph-client/for-linus tytso-ext4/dev jaegeuk-f2fs/dev-test jaegeuk-f2fs/dev gfs2/for-next akpm-mm/mm-everything linus/master v6.17 next-20250929]
[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/Julian-Sun/fs-Make-wbc_to_tag-inline-and-use-it-in-fs/20250929-191847
base: https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-next
patch link: https://lore.kernel.org/r/20250929111349.448324-1-sunjunchao%40bytedance.com
patch subject: [PATCH v2] fs: Make wbc_to_tag() inline and use it in fs.
config: arc-randconfig-001-20250930 (https://download.01.org/0day-ci/archive/20250930/202509300940.yjAtss49-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 9.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250930/202509300940.yjAtss49-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509300940.yjAtss49-lkp@intel.com/
All errors (new ones prefixed by >>):
mm/page-writeback.c: In function 'writeback_get_folio':
>> mm/page-writeback.c:2456:5: error: implicit declaration of function 'wbc_to_tag' [-Werror=implicit-function-declaration]
2456 | wbc_to_tag(wbc), &wbc->fbatch);
| ^~~~~~~~~~
cc1: some warnings being treated as errors
--
fs/f2fs/data.c: In function 'f2fs_write_cache_pages':
>> fs/f2fs/data.c:3006:8: error: implicit declaration of function 'wbc_to_tag' [-Werror=implicit-function-declaration]
3006 | tag = wbc_to_tag(wbc);
| ^~~~~~~~~~
cc1: some warnings being treated as errors
--
fs/btrfs/extent_io.c: In function 'extent_write_cache_pages':
>> fs/btrfs/extent_io.c:2463:8: error: implicit declaration of function 'wbc_to_tag' [-Werror=implicit-function-declaration]
2463 | tag = wbc_to_tag(wbc);
| ^~~~~~~~~~
cc1: some warnings being treated as errors
--
fs/ext4/inode.c: In function 'mpage_prepare_extent_to_map':
>> fs/ext4/inode.c:2622:8: error: implicit declaration of function 'wbc_to_tag' [-Werror=implicit-function-declaration]
2622 | tag = wbc_to_tag(mpd->wbc);
| ^~~~~~~~~~
cc1: some warnings being treated as errors
vim +/wbc_to_tag +2456 mm/page-writeback.c
751e0d559c62a8 Matthew Wilcox (Oracle 2024-02-15 2444)
e6d0ab87c8efe9 Matthew Wilcox (Oracle 2024-02-15 2445) static struct folio *writeback_get_folio(struct address_space *mapping,
751e0d559c62a8 Matthew Wilcox (Oracle 2024-02-15 2446) struct writeback_control *wbc)
751e0d559c62a8 Matthew Wilcox (Oracle 2024-02-15 2447) {
e6d0ab87c8efe9 Matthew Wilcox (Oracle 2024-02-15 2448) struct folio *folio;
e6d0ab87c8efe9 Matthew Wilcox (Oracle 2024-02-15 2449)
a2cbc13638d909 Matthew Wilcox (Oracle 2024-02-15 2450) retry:
e6d0ab87c8efe9 Matthew Wilcox (Oracle 2024-02-15 2451) folio = folio_batch_next(&wbc->fbatch);
e6d0ab87c8efe9 Matthew Wilcox (Oracle 2024-02-15 2452) if (!folio) {
751e0d559c62a8 Matthew Wilcox (Oracle 2024-02-15 2453) folio_batch_release(&wbc->fbatch);
751e0d559c62a8 Matthew Wilcox (Oracle 2024-02-15 2454) cond_resched();
751e0d559c62a8 Matthew Wilcox (Oracle 2024-02-15 2455) filemap_get_folios_tag(mapping, &wbc->index, wbc_end(wbc),
751e0d559c62a8 Matthew Wilcox (Oracle 2024-02-15 @2456) wbc_to_tag(wbc), &wbc->fbatch);
e6d0ab87c8efe9 Matthew Wilcox (Oracle 2024-02-15 2457) folio = folio_batch_next(&wbc->fbatch);
a2cbc13638d909 Matthew Wilcox (Oracle 2024-02-15 2458) if (!folio)
a2cbc13638d909 Matthew Wilcox (Oracle 2024-02-15 2459) return NULL;
e6d0ab87c8efe9 Matthew Wilcox (Oracle 2024-02-15 2460) }
e6d0ab87c8efe9 Matthew Wilcox (Oracle 2024-02-15 2461)
a2cbc13638d909 Matthew Wilcox (Oracle 2024-02-15 2462) folio_lock(folio);
a2cbc13638d909 Matthew Wilcox (Oracle 2024-02-15 2463) if (unlikely(!folio_prepare_writeback(mapping, wbc, folio))) {
a2cbc13638d909 Matthew Wilcox (Oracle 2024-02-15 2464) folio_unlock(folio);
a2cbc13638d909 Matthew Wilcox (Oracle 2024-02-15 2465) goto retry;
a2cbc13638d909 Matthew Wilcox (Oracle 2024-02-15 2466) }
a2cbc13638d909 Matthew Wilcox (Oracle 2024-02-15 2467)
a2cbc13638d909 Matthew Wilcox (Oracle 2024-02-15 2468) trace_wbc_writepage(wbc, inode_to_bdi(mapping->host));
e6d0ab87c8efe9 Matthew Wilcox (Oracle 2024-02-15 2469) return folio;
751e0d559c62a8 Matthew Wilcox (Oracle 2024-02-15 2470) }
751e0d559c62a8 Matthew Wilcox (Oracle 2024-02-15 2471)
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Powered by blists - more mailing lists