[akpm-mm:mm-new 417/421] fs/ext4/file.c:825:36: error: incompatible type for argument 1 of 'daxdev_mapping_supported'

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

Hi Lorenzo,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
head:   e4348a62bb1acacafcdeb149c9363291fae08c0c
commit: e3900da1b37f861133669d26ae02415f18fa71b9 [417/421] mm: update all remaining mmap_prepare users to use vma_flags_t
config: sparc-randconfig-002-20260120 (https://download.01.org/0day-ci/archive/20260120/202601201215.7iVpmWIM-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260120/202601201215.7iVpmWIM-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/202601201215.7iVpmWIM-lkp@intel.com/

All errors (new ones prefixed by >>):

   fs/ext4/file.c: In function 'ext4_file_mmap_prepare':
>> fs/ext4/file.c:825:36: error: incompatible type for argument 1 of 'daxdev_mapping_supported'
     if (!daxdev_mapping_supported(desc->vma_flags, file_inode(file), dax_dev))
                                   ~~~~^~~~~~~~~~~
   In file included from fs/ext4/file.c:27:
   include/linux/dax.h:114:56: note: expected 'vm_flags_t' {aka 'long unsigned int'} but argument is of type 'vma_flags_t' {aka 'struct <anonymous>'}
    static inline bool daxdev_mapping_supported(vm_flags_t vm_flags,
                                                ~~~~~~~~~~~^~~~~~~~


vim +/daxdev_mapping_supported +825 fs/ext4/file.c

   806	
   807	static int ext4_file_mmap_prepare(struct vm_area_desc *desc)
   808	{
   809		int ret;
   810		struct file *file = desc->file;
   811		struct inode *inode = file->f_mapping->host;
   812		struct dax_device *dax_dev = EXT4_SB(inode->i_sb)->s_daxdev;
   813	
   814		if (file->f_mode & FMODE_WRITE)
   815			ret = ext4_emergency_state(inode->i_sb);
   816		else
   817			ret = ext4_forced_shutdown(inode->i_sb) ? -EIO : 0;
   818		if (unlikely(ret))
   819			return ret;
   820	
   821		/*
   822		 * We don't support synchronous mappings for non-DAX files and
   823		 * for DAX files if underneath dax_device is not synchronous.
   824		 */
 > 825		if (!daxdev_mapping_supported(desc->vma_flags, file_inode(file), dax_dev))
   826			return -EOPNOTSUPP;
   827	
   828		file_accessed(file);
   829		if (IS_DAX(file_inode(file))) {
   830			desc->vm_ops = &ext4_dax_vm_ops;
   831			vma_desc_set_flags(desc, VMA_HUGEPAGE_BIT);
   832		} else {
   833			desc->vm_ops = &ext4_file_vm_ops;
   834		}
   835		return 0;
   836	}
   837	

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