linux-kernel - [mingo-tip:sched/headers 2110/2579] include/linux/fscrypt.h:757:30: error: implicit declaration of function 'file

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Message-ID: <202204210747.4hHN7nFz-lkp@intel.com>
Date:   Thu, 21 Apr 2022 14:43:40 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 2110/2579] include/linux/fscrypt.h:757:30:
 error: implicit declaration of function 'file_inode' is invalid in C99

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head:   49e1ec6c70a6eb4b7de9250a455b8b63eb42afbe
commit: 1cb1e496fc95fd250b11d4ae7bd593cbe22bb5f6 [2110/2579] headers/deps: fs: Optimize <linux/fs.h> dependencies, remove <linux/fs_api.h> inclusion
config: i386-randconfig-a011 (https://download.01.org/0day-ci/archive/20220421/202204210747.4hHN7nFz-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b)
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://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=1cb1e496fc95fd250b11d4ae7bd593cbe22bb5f6
        git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
        git fetch --no-tags mingo-tip sched/headers
        git checkout 1cb1e496fc95fd250b11d4ae7bd593cbe22bb5f6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/ fs/

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/crypto/fname.c:23:
   In file included from fs/crypto/fscrypt_private.h:14:
>> include/linux/fscrypt.h:757:30: error: implicit declaration of function 'file_inode' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           const struct inode *inode = file_inode(iocb->ki_filp);
                                       ^
   include/linux/fscrypt.h:757:22: warning: incompatible integer to pointer conversion initializing 'const struct inode *' with an expression of type 'int' [-Wint-conversion]
           const struct inode *inode = file_inode(iocb->ki_filp);
                               ^       ~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning and 1 error generated.


vim +/file_inode +757 include/linux/fscrypt.h

c6c89783eba05a Eric Biggers 2022-01-28  753  
c6c89783eba05a Eric Biggers 2022-01-28  754  static inline bool fscrypt_dio_supported(struct kiocb *iocb,
c6c89783eba05a Eric Biggers 2022-01-28  755  					 struct iov_iter *iter)
c6c89783eba05a Eric Biggers 2022-01-28  756  {
c6c89783eba05a Eric Biggers 2022-01-28 @757  	const struct inode *inode = file_inode(iocb->ki_filp);
c6c89783eba05a Eric Biggers 2022-01-28  758  
c6c89783eba05a Eric Biggers 2022-01-28  759  	return !fscrypt_needs_contents_encryption(inode);
c6c89783eba05a Eric Biggers 2022-01-28  760  }
c6c89783eba05a Eric Biggers 2022-01-28  761  

:::::: The code at line 757 was first introduced by commit
:::::: c6c89783eba05a5e159b07cfd8c68d841cc5de42 fscrypt: add functions for direct I/O support

:::::: TO: Eric Biggers <ebiggers@...gle.com>
:::::: CC: Eric Biggers <ebiggers@...gle.com>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp