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charset=us-ascii Content-Disposition: inline tree: https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git next head: 1a77a557522cf821eb3cb19959da7093902866ed commit: 6dfa517032c94097afefeb8c2101f9b90b107cd9 [61/98] blkcg/diskstats: add per blkcg diskstats support config: x86_64-randconfig-121-20240419 (https://download.01.org/0day-ci/archive/20240419/202404190422.koIM7d2d-lkp@intel.com/config) compiler: gcc-12 (Ubuntu 12.3.0-9ubuntu2) 12.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240419/202404190422.koIM7d2d-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202404190422.koIM7d2d-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/hrtimer.h:19, from include/linux/sched.h:20, from include/linux/ioprio.h:5, from block/blk-cgroup.c:18: block/blk-cgroup.c: In function 'blkcg_dkstats_alloc': >> block/blk-cgroup.c:677:40: error: invalid application of 'sizeof' to incomplete type 'struct iocg_pcpu_stat' 677 | ds->dkstats = alloc_percpu_gfp(struct iocg_pcpu_stat, GFP_NOWAIT); | ^~~~~~ include/linux/percpu.h:141:60: note: in definition of macro 'alloc_percpu_gfp' 141 | (typeof(type) __percpu *)__alloc_percpu_gfp(sizeof(type), \ | ^~~~ >> block/blk-cgroup.c:677:40: error: invalid application of '__alignof__' to incomplete type 'struct iocg_pcpu_stat' 677 | ds->dkstats = alloc_percpu_gfp(struct iocg_pcpu_stat, GFP_NOWAIT); | ^~~~~~ include/linux/percpu.h:142:61: note: in definition of macro 'alloc_percpu_gfp' 142 | __alignof__(type), gfp) | ^~~~ >> block/blk-cgroup.c:679:17: error: implicit declaration of function 'free' [-Werror=implicit-function-declaration] 679 | free(ds); | ^~~~ block/blk-cgroup.c:37:1: note: include '' or provide a declaration of 'free' 36 | #include "blk-throttle.h" +++ |+#include 37 | block/blk-cgroup.c:679:17: warning: incompatible implicit declaration of built-in function 'free' [-Wbuiltin-declaration-mismatch] 679 | free(ds); | ^~~~ block/blk-cgroup.c:679:17: note: include '' or provide a declaration of 'free' block/blk-cgroup.c:661:23: warning: unused variable 'flags' [-Wunused-variable] 661 | unsigned long flags; | ^~~~~ cc1: some warnings being treated as errors vim +677 block/blk-cgroup.c 657 658 static struct blkcg_dkstats *blkcg_dkstats_alloc(struct block_device *bdev) 659 { 660 struct blkcg_dkstats *ds; 661 unsigned long flags; 662 663 /* inside io path, do not consider GFP_KERNEL */ 664 ds = kzalloc(sizeof(struct blkcg_dkstats), GFP_ATOMIC); 665 if (!ds) 666 return NULL; 667 668 ds->part = bdev; 669 INIT_LIST_HEAD(&ds->list_node); 670 #ifdef BLK_CGROUP_DISKSTATS_DEFER_ALLOC 671 INIT_LIST_HEAD(&ds->alloc_node); 672 spin_lock_irqsave(&alloc_lock, flags); 673 list_add(&ds->alloc_node, &alloc_list); 674 schedule_delayed_work(&dkstats_alloc_work, 0); 675 spin_unlock_irqrestore(&alloc_lock, flags); 676 #else > 677 ds->dkstats = alloc_percpu_gfp(struct iocg_pcpu_stat, GFP_NOWAIT); 678 if (!ds->dkstats) { > 679 free(ds); 680 ds = NULL; 681 } 682 #endif 683 return ds; 684 } 685 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki