linux-kernel - Re: [PATCH v2 1/2] erofs: cleanup erofs

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Date:   Sat, 14 Jan 2023 12:13:33 +0800
From:   Gao Xiang <xiang@...nel.org>
To:     kernel test robot <lkp@...el.com>,
        Jeffle Xu <jefflexu@...ux.alibaba.com>
Cc:     Gao Xiang <hsiangkao@...ux.alibaba.com>,
        linux-erofs@...ts.ozlabs.org, Chao Yu <chao@...nel.org>,
        Yue Hu <huyue2@...lpad.com>,
        LKML <linux-kernel@...r.kernel.org>,
        oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH v2 1/2] erofs: cleanup erofs_iget()

On Sat, Jan 14, 2023 at 11:59:41AM +0800, kernel test robot wrote:
> Hi Gao,
> 
> I love your patch! Perhaps something to improve:
> 
> [auto build test WARNING on xiang-erofs/dev-test]
> [also build test WARNING on xiang-erofs/dev xiang-erofs/fixes linus/master v6.2-rc3 next-20230113]
> [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://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Gao-Xiang/erofs-remove-linux-buffer_head-h-dependency/20230114-100018
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test
> patch link:    https://lore.kernel.org/r/20230114015812.96836-1-hsiangkao%40linux.alibaba.com
> patch subject: [PATCH v2 1/2] erofs: cleanup erofs_iget()
> config: ia64-allyesconfig
> compiler: ia64-linux-gcc (GCC) 12.1.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/intel-lab-lkp/linux/commit/ede350f68141cc6bdc88c627e0f8f992f1b26307
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Gao-Xiang/erofs-remove-linux-buffer_head-h-dependency/20230114-100018
>         git checkout ede350f68141cc6bdc88c627e0f8f992f1b26307
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 olddefconfig
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash fs/
> 
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@...el.com>
> 
> All warnings (new ones prefixed by >>):
> 
>    fs/erofs/inode.c: In function 'erofs_squash_ino':
> >> fs/erofs/inode.c:319:28: warning: right shift count >= width of type [-Wshift-count-overflow]
>      319 |                 ino ^= nid >> sizeof(ino_t) * 8;
>          |                            ^~

Okay, I think I have to stick to v1 since v2 causes a
compile warning.

Thanks,
Gao Xiang