[jlayton:tmpfs 3/3] mm/shmem.c:2389:23: warning: cast from pointer to integer of different size

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git tmpfs
head:   3c91485aa13464b37e93c8e969da56964d9b801c
commit: 3c91485aa13464b37e93c8e969da56964d9b801c [3/3] tmpfs: add support for stable directory cookies
config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20230323/202303231415.ZJGD4Atf-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git/commit/?id=3c91485aa13464b37e93c8e969da56964d9b801c
        git remote add jlayton https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git
        git fetch --no-tags jlayton tmpfs
        git checkout 3c91485aa13464b37e93c8e969da56964d9b801c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303231415.ZJGD4Atf-lkp@intel.com/

All warnings (new ones prefixed by >>):

   mm/shmem.c: In function 'shmem_readdir':
>> mm/shmem.c:2389:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    2389 |                 pos = (loff_t)dentry->d_fsdata;
         |                       ^


vim +2389 mm/shmem.c

  2371	
  2372	static int shmem_readdir(struct file *file, struct dir_context *ctx)
  2373	{
  2374		struct inode *dir = file_inode(file);
  2375		struct shmem_inode_info *dinfo = SHMEM_I(dir);
  2376		struct dentry *dentry;
  2377		loff_t pos = ctx->pos;
  2378		int idx = (int)ctx->pos;
  2379	
  2380		if (!dir_emit_dots(file, ctx))
  2381			return 0;
  2382	
  2383		idr_for_each_entry_continue(&dinfo->dirindex, dentry, idx) {
  2384			struct inode *inode = d_inode(dentry);
  2385	
  2386			if (!dir_emit(ctx, dentry->d_name.name, dentry->d_name.len,
  2387				      inode->i_ino, dt_type(inode->i_mode)))
  2388				break;
> 2389			pos = (loff_t)dentry->d_fsdata;
  2390		}
  2391		ctx->pos = pos;
  2392		return 0;
  2393	}
  2394	

-- 
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https://github.com/intel/lkp-tests