On Mon, Jun 16, 2025 at 08:33:23PM +0100, Lorenzo Stoakes wrote: > fs/ext4/file.c | 2 +- > fs/xfs/xfs_file.c | 3 ++-
Both of these already have the inode from the file ... > +static inline bool daxdev_mapping_supported(vm_flags_t vm_flags, > + struct file *file, > + struct dax_device *dax_dev) > { > - if (!(vma->vm_flags & VM_SYNC)) > + if (!(vm_flags & VM_SYNC)) > return true; > - if (!IS_DAX(file_inode(vma->vm_file))) > + if (!IS_DAX(file_inode(file))) > return false; > return dax_synchronous(dax_dev); ... and the only thing this function uses from the file is the inode. So maybe pass in the inode rather than the file?