[PATCH 2/2] erofs: add sysfs node to control sync decompression strategy

[Huang Jianan]

在 2021/11/12 4:17, kernel test robot 写道:
> Hi Huang,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on xiang-erofs/dev-test]
> [also build test ERROR on next-20211111]
> [cannot apply to v5.15]
> [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://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit-scm.com%2Fdocs%2Fgit-format-patch&data=04%7C01%7Chuangjianan%40oppo.com%7C0d3d672ac3e94a90cf9108d9a5505aae%7Cf1905eb1c35341c5951662b4a54b5ee6%7C0%7C0%7C637722589678393057%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=OVZ%2BPtlKYw1zTA3lxF2mFAqcHDs6FjweHQpTpS%2B6uog%3D&reserved=0]
>
> url:    https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2F0day-ci%2Flinux%2Fcommits%2FHuang-Jianan%2Ferofs-add-sysfs-interface%2F20211109-105542&data=04%7C01%7Chuangjianan%40oppo.com%7C0d3d672ac3e94a90cf9108d9a5505aae%7Cf1905eb1c35341c5951662b4a54b5ee6%7C0%7C0%7C637722589678403052%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=vvNfYf7RfWT813%2FG%2FOUvTPLOyYqlw1FXQZXjPuqoqsk%3D&reserved=0
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test
> config: xtensa-buildonly-randconfig-r004-20211111 (attached as .config)
> compiler: xtensa-linux-gcc (GCC) 11.2.0
> reproduce (this is a W=1 build):
>          wget https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fraw.githubusercontent.com%2Fintel%2Flkp-tests%2Fmaster%2Fsbin%2Fmake.cross&data=04%7C01%7Chuangjianan%40oppo.com%7C0d3d672ac3e94a90cf9108d9a5505aae%7Cf1905eb1c35341c5951662b4a54b5ee6%7C0%7C0%7C637722589678403052%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=SIkgxAB9wqCI7O0OjvYinNEpFtSD7vUO2YX%2FwQFC480%3D&reserved=0 -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          # https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2F0day-ci%2Flinux%2Fcommit%2Fd6bf9edf69e87ee0a9795421ff2e1a9b69a29ce8&data=04%7C01%7Chuangjianan%40oppo.com%7C0d3d672ac3e94a90cf9108d9a5505aae%7Cf1905eb1c35341c5951662b4a54b5ee6%7C0%7C0%7C637722589678403052%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=%2BHaZRNBm3bV0VbSMU0vlz6pokoI3tA8kNpVxCGF1wtc%3D&reserved=0
>          git remote add linux-review https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2F0day-ci%2Flinux&data=04%7C01%7Chuangjianan%40oppo.com%7C0d3d672ac3e94a90cf9108d9a5505aae%7Cf1905eb1c35341c5951662b4a54b5ee6%7C0%7C0%7C637722589678403052%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ICXqRmM2WczvCZQYR9hBUVQddexNDPdhSmr80YLCueY%3D&reserved=0
>          git fetch --no-tags linux-review Huang-Jianan/erofs-add-sysfs-interface/20211109-105542
>          git checkout d6bf9edf69e87ee0a9795421ff2e1a9b69a29ce8
>          # save the attached .config to linux build tree
>          mkdir build_dir
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=xtensa SHELL=/bin/bash
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp at intel.com>
>
> All errors (new ones prefixed by >>):
>
>     In file included from <command-line>:
>>> include/linux/compiler_types.h:140:41: error: 'struct erofs_mount_opts' has no member named 'readahead_sync_decompress'
This problem has been fixed by adding macros in v2.
I will resend a final version of the patch in a clean chain later. 😁

Thanks,
Jianan
>       140 | #define __compiler_offsetof(a, b)       __builtin_offsetof(a, b)
>           |                                         ^~~~~~~~~~~~~~~~~~
>     include/linux/stddef.h:17:33: note: in expansion of macro '__compiler_offsetof'
>        17 | #define offsetof(TYPE, MEMBER)  __compiler_offsetof(TYPE, MEMBER)
>           |                                 ^~~~~~~~~~~~~~~~~~~
>     fs/erofs/sysfs.c:42:19: note: in expansion of macro 'offsetof'
>        42 |         .offset = offsetof(struct _struct, _name),\
>           |                   ^~~~~~~~
>     fs/erofs/sysfs.c:46:9: note: in expansion of macro 'EROFS_ATTR_OFFSET'
>        46 |         EROFS_ATTR_OFFSET(_name, 0644, _id, _struct)
>           |         ^~~~~~~~~~~~~~~~~
>     fs/erofs/sysfs.c:55:9: note: in expansion of macro 'EROFS_RW_ATTR'
>        55 |         EROFS_RW_ATTR(_name, pointer_bool, _struct)
>           |         ^~~~~~~~~~~~~
>     fs/erofs/sysfs.c:59:1: note: in expansion of macro 'EROFS_RW_ATTR_BOOL'
>        59 | EROFS_RW_ATTR_BOOL(readahead_sync_decompress, erofs_mount_opts);
>           | ^~~~~~~~~~~~~~~~~~
>
>
> vim +140 include/linux/compiler_types.h
>
> 71391bdd2e9aab Xiaozhou Liu 2018-12-14  139
> 71391bdd2e9aab Xiaozhou Liu 2018-12-14 @140  #define __compiler_offsetof(a, b)	__builtin_offsetof(a, b)
> 71391bdd2e9aab Xiaozhou Liu 2018-12-14  141
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.01.org%2Fhyperkitty%2Flist%2Fkbuild-all%40lists.01.org&data=04%7C01%7Chuangjianan%40oppo.com%7C0d3d672ac3e94a90cf9108d9a5505aae%7Cf1905eb1c35341c5951662b4a54b5ee6%7C0%7C0%7C637722589678403052%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=I8XIGfml9qKANF9lYjvZ1eRcBGmbE%2BPDSsaajTOgfXo%3D&reserved=0