12:46 a.m.
tree: https://android.googlesource.com/kernel/common android-4.14-stable
head: 8278cda5d9767db20d87f2d97e135534c43b07ae
commit: b38636bf5933cdfc7490ed5bb0cec3893a646bab [2/5] ANDROID: Incremental fs: Add v2
feature flag
config: i386-randconfig-c001-20201209 (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build):
git remote add android-common https://android.googlesource.com/kernel/common
git fetch --no-tags android-common android-4.14-stable
git checkout b38636bf5933cdfc7490ed5bb0cec3893a646bab
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/kobject.h:21:0,
from include/linux/module.h:17,
from fs/incfs/main.c:7:
> fs/incfs/main.c:40:22: error: initializer element is not constant
DECLARE_FEATURE_FLAG(corefs);
^
include/linux/sysfs.h:117:10: note: in definition of macro '__ATTR_RO'
.show = _name##_show, \
^~~~~
fs/incfs/main.c:38:36: note: in expansion of macro '_DECLARE_FEATURE_FLAG'
#define DECLARE_FEATURE_FLAG(name) _DECLARE_FEATURE_FLAG(name)
^~~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:40:1: note: in expansion of macro 'DECLARE_FEATURE_FLAG'
DECLARE_FEATURE_FLAG(corefs);
^~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:40:22: note: (near initialization for 'corefs_attr.show')
DECLARE_FEATURE_FLAG(corefs);
^
include/linux/sysfs.h:117:10: note: in definition of macro '__ATTR_RO'
.show = _name##_show, \
^~~~~
fs/incfs/main.c:38:36: note: in expansion of macro '_DECLARE_FEATURE_FLAG'
#define DECLARE_FEATURE_FLAG(name) _DECLARE_FEATURE_FLAG(name)
^~~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:40:1: note: in expansion of macro 'DECLARE_FEATURE_FLAG'
DECLARE_FEATURE_FLAG(corefs);
^~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:41:22: error: initializer element is not constant
DECLARE_FEATURE_FLAG(zstd);
^
include/linux/sysfs.h:117:10: note: in definition of macro '__ATTR_RO'
.show = _name##_show, \
^~~~~
fs/incfs/main.c:38:36: note: in expansion of macro '_DECLARE_FEATURE_FLAG'
#define DECLARE_FEATURE_FLAG(name) _DECLARE_FEATURE_FLAG(name)
^~~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:41:1: note: in expansion of macro 'DECLARE_FEATURE_FLAG'
DECLARE_FEATURE_FLAG(zstd);
^~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:41:22: note: (near initialization for 'zstd_attr.show')
DECLARE_FEATURE_FLAG(zstd);
^
include/linux/sysfs.h:117:10: note: in definition of macro '__ATTR_RO'
.show = _name##_show, \
^~~~~
fs/incfs/main.c:38:36: note: in expansion of macro '_DECLARE_FEATURE_FLAG'
#define DECLARE_FEATURE_FLAG(name) _DECLARE_FEATURE_FLAG(name)
^~~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:41:1: note: in expansion of macro 'DECLARE_FEATURE_FLAG'
DECLARE_FEATURE_FLAG(zstd);
^~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:42:22: error: initializer element is not constant
DECLARE_FEATURE_FLAG(v2);
^
include/linux/sysfs.h:117:10: note: in definition of macro '__ATTR_RO'
.show = _name##_show, \
^~~~~
fs/incfs/main.c:38:36: note: in expansion of macro '_DECLARE_FEATURE_FLAG'
#define DECLARE_FEATURE_FLAG(name) _DECLARE_FEATURE_FLAG(name)
^~~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:42:1: note: in expansion of macro 'DECLARE_FEATURE_FLAG'
DECLARE_FEATURE_FLAG(v2);
^~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:42:22: note: (near initialization for 'v2_attr.show')
DECLARE_FEATURE_FLAG(v2);
^
include/linux/sysfs.h:117:10: note: in definition of macro '__ATTR_RO'
.show = _name##_show, \
^~~~~
fs/incfs/main.c:38:36: note: in expansion of macro '_DECLARE_FEATURE_FLAG'
#define DECLARE_FEATURE_FLAG(name) _DECLARE_FEATURE_FLAG(name)
^~~~~~~~~~~~~~~~~~~~~
fs/incfs/main.c:42:1: note: in expansion of macro 'DECLARE_FEATURE_FLAG'
DECLARE_FEATURE_FLAG(v2);
^~~~~~~~~~~~~~~~~~~~
vim +40 fs/incfs/main.c
7 #include <linux/module.h>
8
9 #include <uapi/linux/incrementalfs.h>
10
11 #include "vfs.h"
12
13 #define INCFS_NODE_FEATURES "features"
14
15 static struct file_system_type incfs_fs_type = {
16 .owner = THIS_MODULE,
17 .name = INCFS_NAME,
18 .mount = incfs_mount_fs,
19 .kill_sb = incfs_kill_sb,
20 .fs_flags = 0
21 };
22
23 static struct kobject *sysfs_root, *featurefs_root;
24
25 static ssize_t supported(struct kobject *kobj,
26 struct kobj_attribute *attr, char *buff)
27 {
28 return snprintf(buff, PAGE_SIZE, "supported\n");
29 }
30
31 typedef ssize_t (*const attr_show)(struct kobject *kobj,
32 struct kobj_attribute *attr, char *buff);
33
34 #define _DECLARE_FEATURE_FLAG(name) \
35 static attr_show name##_show = supported; \
36 static struct kobj_attribute name##_attr = __ATTR_RO(name)
37
38 #define DECLARE_FEATURE_FLAG(name) _DECLARE_FEATURE_FLAG(name)
39
40 DECLARE_FEATURE_FLAG(corefs);
41 DECLARE_FEATURE_FLAG(zstd);
42 DECLARE_FEATURE_FLAG(v2);
43
---
0-DAY CI Kernel Test Service, Intel Corporation
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