tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 041fb9446ce5643d6c19a4b5bcbb3068054a42fd commit: 1bf8f90fb90c600d9f372e6be4ef251cc8905f04 [3316/3316] block-io-hierarchy: core hierarchy stats and iodump implementation config: x86_64-buildonly-randconfig-001-20251125 (https://download.01.org/0day-ci/archive/20251125/202511250327.zVFjEAbx-lkp@i...) compiler: gcc-12 (Debian 12.4.0-5) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251125/202511250327.zVFjEAbx-lkp@i...) 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/202511250327.zVFjEAbx-lkp@intel.com/ All errors (new ones prefixed by >>): block/blk-io-hierarchy/iodump.c: In function '__hierarchy_show_bio':

...

block/blk-io-hierarchy/iodump.c:188:22: error: 'struct bio' has no member named 'bi_blkg' 188 | blkg_path(bio->bi_blkg, path, PATH_LEN); | ^~ block/blk-io-hierarchy/iodump.c:188:9: error: too many arguments to function 'blkg_path' 188 | blkg_path(bio->bi_blkg, path, PATH_LEN); | ^~~~~~~~~ In file included from block/blk-io-hierarchy/iodump.c:21: block/blk-io-hierarchy/../blk-cgroup.h:535:21: note: declared here 535 | static inline char *blkg_path(struct blkcg_gq *blkg) { return NULL; } | ^~~~~~~~~

vim +188 block/blk-io-hierarchy/iodump.c 179 180 static void __hierarchy_show_bio(struct seq_file *m, struct bio *bio, 181 enum stage_group stage, u64 duration) 182 { 183 char rwbs[RWB_LEN]; 184 char path[PATH_LEN] = {0}; 185 struct task_struct *task = get_pid_task(bio->pid, PIDTYPE_PID); 186 187 blk_fill_rwbs(rwbs, bio->bi_opf);

188 blkg_path(bio->bi_blkg, path, PATH_LEN); 189 190 seq_printf(m, "%s-%d %s stage %s bio %s %llu + %u cgroup %s started %llu ns ago\n", 191 task ? task->comm : "null", task ? task->pid : 0, 192 bio->bi_bdev->bd_disk->disk_name, 193 hierarchy_stage_name(stage), rwbs, bio->bi_iter.bi_sector, 194 bio_sectors(bio), path, duration); 195 196 if (task) 197 put_task_struct(task); 198 } 199

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki