[mszeredi-fuse:extent-map 15/18] fs/fuse/inode.c:438:44: error: no member named 'vdax' in 'struct fuse_conn'

[mszeredi-fuse:extent-map 15/18] fs/fuse/inode.c:438:44: error: no member named 'vdax' in 'struct fuse_conn'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git extent-map
head:   70caed148725b4dd32916ecfe906977e2f79aff1
commit: 343c66361a8e8ab509910030bf19eab3357555b2 [15/18] fuse: add support for opening dax device as backing
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260923/202609230803.9KZ4KBNg-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260923/202609230803.9KZ4KBNg-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/202609230803.9KZ4KBNg-lkp@intel.com/

All errors (new ones prefixed by >>):

>> fs/fuse/inode.c:438:44: error: no member named 'vdax' in 'struct fuse_conn'
     438 |         if ((attr->flags & FUSE_ATTR_DAX) && !fc->vdax) {
         |                                               ~~  ^
   1 error generated.


vim +438 fs/fuse/inode.c

   409	
   410	static void fuse_init_inode(struct inode *inode, struct fuse_attr *attr,
   411				    struct fuse_conn *fc)
   412	{
   413		inode->i_mode = attr->mode & S_IFMT;
   414		inode->i_size = attr->size;
   415		inode_set_mtime(inode, attr->mtime, attr->mtimensec);
   416		inode_set_ctime(inode, attr->ctime, attr->ctimensec);
   417		if (S_ISREG(inode->i_mode)) {
   418			fuse_init_common(inode);
   419			fuse_init_file_inode(inode, attr->flags);
   420		} else if (S_ISDIR(inode->i_mode))
   421			fuse_init_dir(inode);
   422		else if (S_ISLNK(inode->i_mode))
   423			fuse_init_symlink(inode);
   424		else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
   425			 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
   426			fuse_init_common(inode);
   427			init_special_inode(inode, inode->i_mode,
   428					   new_decode_dev(attr->rdev));
   429		} else
   430			BUG();
   431		/*
   432		 * Ensure that we don't cache acls for daemons without FUSE_POSIX_ACL
   433		 * so they see the exact same behavior as before.
   434		 */
   435		if (!fc->posix_acl)
   436			inode->i_acl = inode->i_default_acl = ACL_DONT_CACHE;
   437	
 > 438		if ((attr->flags & FUSE_ATTR_DAX) && !fc->vdax) {
   439			inode->i_flags |= S_DAX;
   440			inode->i_data.a_ops = &fuse_dax_aops;
   441		}
   442	}
   443	

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