linux-kernel - Re: [amir73il:fsnotify_event_info 2/2] include/linux/fsnotify.h:263:2: error: implicit declaration of function 'fsnotify_file'; did you mean 'fsnotify

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Date:   Tue, 3 Aug 2021 18:47:44 +0300
From:   Amir Goldstein <amir73il@...il.com>
To:     kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [amir73il:fsnotify_event_info 2/2] include/linux/fsnotify.h:263:2:
 error: implicit declaration of function 'fsnotify_file'; did you mean 'fsnotify_link'?

On Tue, Aug 3, 2021 at 2:31 PM kernel test robot <lkp@...el.com> wrote:
>
> tree:   https://github.com/amir73il/linux fsnotify_event_info
> head:   4ad14805402352430e0b98901b97ec9166d9dae4
> commit: 4ad14805402352430e0b98901b97ec9166d9dae4 [2/2] fsnotify: fast path optimization for IO on pipe with no watches
> config: sparc-randconfig-r026-20210803 (attached as .config)
> compiler: sparc-linux-gcc (GCC) 10.3.0
> 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/amir73il/linux/commit/4ad14805402352430e0b98901b97ec9166d9dae4
>         git remote add amir73il https://github.com/amir73il/linux
>         git fetch --no-tags amir73il fsnotify_event_info
>         git checkout 4ad14805402352430e0b98901b97ec9166d9dae4
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=sparc
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
>
> All errors (new ones prefixed by >>):
>
>    In file included from fs/notify/fsnotify.h:6,
>                     from fs/notify/fsnotify.c:15:
>    include/linux/fsnotify.h: In function 'fsnotify_access':
> >> include/linux/fsnotify.h:263:2: error: implicit declaration of function 'fsnotify_file'; did you mean 'fsnotify_link'? [-Werror=implicit-function-declaration]
>      263 |  fsnotify_file(file, FS_ACCESS);
>          |  ^~~~~~~~~~~~~
>          |  fsnotify_link
>    cc1: some warnings being treated as errors
>

That's odd. fsnotify_event_info is just an arbitrary branch in my tree
where I pushed some WIP code. I don't remember posting it to the
list, I'm not sure why the kernel robot tested it...

Thanks,
Amir.