* [opencloudos:next 61/98] block/blk-cgroup.c:677:40: error: invalid application of 'sizeof' to incomplete type 'struct iocg_pcpu_stat'
@ 2024-04-18 21:00 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-04-18 21:00 UTC (permalink / raw
To: jasperwang, kaixuxia, frankjpliu, kasong, sagazchen, kernelxing,
aurelianliu, jason.zeng, wu.zheng, yingbao.jia, pei.p.jia
Cc: oe-kbuild-all
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 <lkp@intel.com>
| 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 '<stdlib.h>' or provide a declaration of 'free'
36 | #include "blk-throttle.h"
+++ |+#include <stdlib.h>
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 '<stdlib.h>' 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
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