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owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Jan 20, 2026 at 12:30:12PM +0800, kernel test robot wrote: > 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 > | 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 '} > 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; Yup I missed one case here as pointed out by Zi, will fix. > 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 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki