Messages in this thread |  | | Date | Sun, 3 May 2026 08:29:02 +0800 | | From | kernel test robot <> |
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Hi Li,
kernel test robot noticed the following build errors:
[auto build test ERROR on axboe/for-next] [also build test ERROR on linus/master v7.1-rc1 next-20260430] [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/Li-kunyu/block-blk-iolatency-Add-the-processing-flow-of-the-chained-bio-in-the-QoS-and-define-the-related-types-to-solve-the-prob/20260502-071718 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git for-next patch link: https://lore.kernel.org/r/20260429094148.2394-1-likunyu10%40163.com patch subject: [PATCH] block/blk-iolatency: Add the processing flow of the chained bio in the QoS and define the related types to solve the problem of incorrect inflight processing in the QoS. The usage of the done_split_bio abstract function in the blk-iolatency project. config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20260503/202605030844.RgfP9Jsd-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260503/202605030844.RgfP9Jsd-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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202605030844.RgfP9Jsd-lkp@intel.com/
All errors (new ones prefixed by >>):
>> block/blk-merge.c:159:17: error: use of undeclared identifier 'split' 159 | bio_set_flag(split, BIO_QOS_CHAIN_CHILD); | ^~~~~ 1 error generated.
vim +/split +159 block/blk-merge.c
142 143 static struct bio *bio_submit_split(struct bio *bio, int split_sectors) 144 { 145 if (unlikely(split_sectors < 0)) { 146 bio->bi_status = errno_to_blk_status(split_sectors); 147 bio_endio(bio); 148 return NULL; 149 } 150 151 if (split_sectors) { 152 bio = bio_submit_split_bioset(bio, split_sectors, 153 &bio->bi_bdev->bd_disk->bio_split); 154 if (bio) { 155 bio->bi_opf |= REQ_NOMERGE; 156 /* Fix the issue where the inflight statistics 157 * of the chained bio in the QoS are incorrect. 158 */ > 159 bio_set_flag(split, BIO_QOS_CHAIN_CHILD); 160 } 161 } 162 163 return bio; 164 } 165
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