From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: [hch-xfs:xfs-crc 17/59] fs/xfs/xfs_zone_alloc.c:872 xfs_zone_alloc_and_submit() warn: bitwise AND condition is false here
Date: Sun, 26 Jul 2026 22:52:57 +0800 [thread overview]
Message-ID: <202607262252.pmFy7h0Q-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Christoph Hellwig <hch@lst.de>
tree: git://git.infradead.org/users/hch/xfs xfs-crc
head: 10c7aa6f2c85085eec34737be592d6ae69583782
commit: f7e123ba2514857fccbda3a1d0f0b9f83cf224da [17/59] xfs: move PI generation into xfs_zone_alloc_and_submit
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: x86_64-randconfig-161-20260726 (https://download.01.org/0day-ci/archive/20260726/202607262252.pmFy7h0Q-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
smatch: v0.5.0-9187-g5189e3fb
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@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202607262252.pmFy7h0Q-lkp@intel.com/
smatch warnings:
fs/xfs/xfs_zone_alloc.c:872 xfs_zone_alloc_and_submit() warn: bitwise AND condition is false here
vim +872 fs/xfs/xfs_zone_alloc.c
0989dfa61f4381 Christoph Hellwig 2025-06-05 855
4e4d5207557770 Christoph Hellwig 2025-02-13 856 void
4e4d5207557770 Christoph Hellwig 2025-02-13 857 xfs_zone_alloc_and_submit(
4e4d5207557770 Christoph Hellwig 2025-02-13 858 struct iomap_ioend *ioend,
4e4d5207557770 Christoph Hellwig 2025-02-13 859 struct xfs_open_zone **oz)
4e4d5207557770 Christoph Hellwig 2025-02-13 860 {
4e4d5207557770 Christoph Hellwig 2025-02-13 861 struct xfs_inode *ip = XFS_I(ioend->io_inode);
4e4d5207557770 Christoph Hellwig 2025-02-13 862 struct xfs_mount *mp = ip->i_mount;
64d0361114fdea Hans Holmberg 2025-01-31 863 enum rw_hint write_hint = xfs_inode_write_hint(ip);
4e4d5207557770 Christoph Hellwig 2025-02-13 864 bool pack_tight = xfs_zoned_pack_tight(ip);
4e4d5207557770 Christoph Hellwig 2025-02-13 865 unsigned int alloc_len;
4e4d5207557770 Christoph Hellwig 2025-02-13 866 struct iomap_ioend *split;
4e4d5207557770 Christoph Hellwig 2025-02-13 867 bool is_seq;
4e4d5207557770 Christoph Hellwig 2025-02-13 868
4e4d5207557770 Christoph Hellwig 2025-02-13 869 if (xfs_is_shutdown(mp))
4e4d5207557770 Christoph Hellwig 2025-02-13 870 goto out_error;
4e4d5207557770 Christoph Hellwig 2025-02-13 871
f7e123ba251485 Christoph Hellwig 2026-07-19 @872 if (ioend->io_flags & IOMAP_IOEND_INTEGRITY)
f7e123ba251485 Christoph Hellwig 2026-07-19 873 fs_bio_integrity_generate(&ioend->io_bio);
f7e123ba251485 Christoph Hellwig 2026-07-19 874
4e4d5207557770 Christoph Hellwig 2025-02-13 875 /*
d004d70d6cdf03 Christoph Hellwig 2025-08-18 876 * If we don't have a locally cached zone in this write context, see if
d004d70d6cdf03 Christoph Hellwig 2025-08-18 877 * the inode is still associated with a zone and use that if so.
4e4d5207557770 Christoph Hellwig 2025-02-13 878 */
f3e2e53823b98d Hans Holmberg 2025-05-14 879 if (!*oz)
ca3d643a970139 Christoph Hellwig 2025-10-17 880 *oz = xfs_get_cached_zone(ip);
f3e2e53823b98d Hans Holmberg 2025-05-14 881
4e4d5207557770 Christoph Hellwig 2025-02-13 882 if (!*oz) {
4e4d5207557770 Christoph Hellwig 2025-02-13 883 select_zone:
64d0361114fdea Hans Holmberg 2025-01-31 884 *oz = xfs_select_zone(mp, write_hint, pack_tight);
4e4d5207557770 Christoph Hellwig 2025-02-13 885 if (!*oz)
4e4d5207557770 Christoph Hellwig 2025-02-13 886 goto out_error;
ca3d643a970139 Christoph Hellwig 2025-10-17 887 xfs_set_cached_zone(ip, *oz);
4e4d5207557770 Christoph Hellwig 2025-02-13 888 }
4e4d5207557770 Christoph Hellwig 2025-02-13 889
4e4d5207557770 Christoph Hellwig 2025-02-13 890 alloc_len = xfs_zone_alloc_blocks(*oz, XFS_B_TO_FSB(mp, ioend->io_size),
4e4d5207557770 Christoph Hellwig 2025-02-13 891 &ioend->io_sector, &is_seq);
4e4d5207557770 Christoph Hellwig 2025-02-13 892 if (!alloc_len) {
4e4d5207557770 Christoph Hellwig 2025-02-13 893 xfs_open_zone_put(*oz);
4e4d5207557770 Christoph Hellwig 2025-02-13 894 goto select_zone;
4e4d5207557770 Christoph Hellwig 2025-02-13 895 }
4e4d5207557770 Christoph Hellwig 2025-02-13 896
4e4d5207557770 Christoph Hellwig 2025-02-13 897 while ((split = iomap_split_ioend(ioend, alloc_len, is_seq))) {
4e4d5207557770 Christoph Hellwig 2025-02-13 898 if (IS_ERR(split))
4e4d5207557770 Christoph Hellwig 2025-02-13 899 goto out_split_error;
4e4d5207557770 Christoph Hellwig 2025-02-13 900 alloc_len -= split->io_bio.bi_iter.bi_size;
4e4d5207557770 Christoph Hellwig 2025-02-13 901 xfs_submit_zoned_bio(split, *oz, is_seq);
4e4d5207557770 Christoph Hellwig 2025-02-13 902 if (!alloc_len) {
4e4d5207557770 Christoph Hellwig 2025-02-13 903 xfs_open_zone_put(*oz);
4e4d5207557770 Christoph Hellwig 2025-02-13 904 goto select_zone;
4e4d5207557770 Christoph Hellwig 2025-02-13 905 }
4e4d5207557770 Christoph Hellwig 2025-02-13 906 }
4e4d5207557770 Christoph Hellwig 2025-02-13 907
4e4d5207557770 Christoph Hellwig 2025-02-13 908 xfs_submit_zoned_bio(ioend, *oz, is_seq);
4e4d5207557770 Christoph Hellwig 2025-02-13 909 return;
4e4d5207557770 Christoph Hellwig 2025-02-13 910
4e4d5207557770 Christoph Hellwig 2025-02-13 911 out_split_error:
4e4d5207557770 Christoph Hellwig 2025-02-13 912 ioend->io_bio.bi_status = errno_to_blk_status(PTR_ERR(split));
4e4d5207557770 Christoph Hellwig 2025-02-13 913 out_error:
4e4d5207557770 Christoph Hellwig 2025-02-13 914 bio_io_error(&ioend->io_bio);
4e4d5207557770 Christoph Hellwig 2025-02-13 915 }
4e4d5207557770 Christoph Hellwig 2025-02-13 916
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-07-26 14:53 UTC|newest]
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