[brauner-github:vfs-6.16.misc 18/18] mm/readahead.c:703:30: error: use of undeclared identifier 'fd_file'; did you mean 'get_file'?

[brauner-github:vfs-6.16.misc 18/18] mm/readahead.c:703:30: error: use of undeclared identifier 'fd_file'; did you mean 'get_file'?

[kernel test robot]

tree:   https://github.com/brauner/linux.git vfs-6.16.misc
head:   ac6355451deea7f96f5ca40a226fb0685b0475af
commit: ac6355451deea7f96f5ca40a226fb0685b0475af [18/18] fs: add S_ANON_INODE
config: arm-randconfig-001-20250421 (https://download.01.org/0day-ci/archive/20250421/202504211930.SWe5ODLS-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250421/202504211930.SWe5ODLS-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504211930.SWe5ODLS-lkp@intel.com/

All errors (new ones prefixed by >>):

>> mm/readahead.c:703:30: error: use of undeclared identifier 'fd_file'; did you mean 'get_file'?
     703 |         if (IS_ANON_FILE(file_inode(fd_file)))
         |                                     ^~~~~~~
         |                                     get_file
   include/linux/fs.h:2404:31: note: expanded from macro 'IS_ANON_FILE'
    2404 | #define IS_ANON_FILE(inode)     ((inode)->i_flags & S_ANON_INODE)
         |                                   ^
   include/linux/fs.h:1131:28: note: 'get_file' declared here
    1131 | static inline struct file *get_file(struct file *f)
         |                            ^
   1 error generated.


vim +703 mm/readahead.c

   690	
   691	ssize_t ksys_readahead(int fd, loff_t offset, size_t count)
   692	{
   693		CLASS(fd, f)(fd);
   694	
   695		if (fd_empty(f) || !(fd_file(f)->f_mode & FMODE_READ))
   696			return -EBADF;
   697	
   698		/*
   699		 * The readahead() syscall is intended to run only on files
   700		 * that can execute readahead. If readahead is not possible
   701		 * on this file, then we must return -EINVAL.
   702		 */
 > 703		if (IS_ANON_FILE(file_inode(fd_file)))
   704			return -EINVAL;
   705		if (!fd_file(f)->f_mapping || !fd_file(f)->f_mapping->a_ops ||
   706		    (!S_ISREG(file_inode(fd_file(f))->i_mode) &&
   707		    !S_ISBLK(file_inode(fd_file(f))->i_mode)))
   708			return -EINVAL;
   709	
   710		return vfs_fadvise(fd_file(f), offset, count, POSIX_FADV_WILLNEED);
   711	}
   712	

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