[mingo-tip:sched/headers 2110/2579] include/linux/fscrypt.h:757:37: warning: initialization of 'const struct inode *' from 'int' makes pointer from integer without a cast

[mingo-tip:sched/headers 2110/2579] include/linux/fscrypt.h:757:37: warning: initialization of 'const struct inode *' from 'int' makes pointer from integer without a cast

[kernel test robot]

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: x86_64-randconfig-a013 (https://download.01.org/0day-ci/archive/20220421/202204211315.igKpJ2Wz-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # 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
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/pci/ fs/crypto/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from fs/crypto/fscrypt_private.h:14,
                    from fs/crypto/fname.c:23:
   include/linux/fscrypt.h: In function 'fscrypt_dio_supported':
   include/linux/fscrypt.h:757:37: error: implicit declaration of function 'file_inode'; did you mean 'd_inode'? [-Werror=implicit-function-declaration]
     757 |         const struct inode *inode = file_inode(iocb->ki_filp);
         |                                     ^~~~~~~~~~
         |                                     d_inode
>> include/linux/fscrypt.h:757:37: warning: initialization of 'const struct inode *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
   cc1: some warnings being treated as errors


vim +757 include/linux/fscrypt.h

c6c89783eba05a5 Eric Biggers 2022-01-28  753  
c6c89783eba05a5 Eric Biggers 2022-01-28  754  static inline bool fscrypt_dio_supported(struct kiocb *iocb,
c6c89783eba05a5 Eric Biggers 2022-01-28  755  					 struct iov_iter *iter)
c6c89783eba05a5 Eric Biggers 2022-01-28  756  {
c6c89783eba05a5 Eric Biggers 2022-01-28 @757  	const struct inode *inode = file_inode(iocb->ki_filp);
c6c89783eba05a5 Eric Biggers 2022-01-28  758  
c6c89783eba05a5 Eric Biggers 2022-01-28  759  	return !fscrypt_needs_contents_encryption(inode);
c6c89783eba05a5 Eric Biggers 2022-01-28  760  }
c6c89783eba05a5 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@google.com>
:::::: CC: Eric Biggers <ebiggers@google.com>

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