Re: [PATCH] fuse: update inode size after extending passthrough write

[Miklos Szeredi <miklos@xxxxxxxxxx>]

On Fri, 11 Oct 2024 at 15:53, Amir Goldstein <amir73il@xxxxxxxxx> wrote:

> @@ -20,9 +20,18 @@ static void fuse_file_accessed(struct file *file)
>
>  static void fuse_file_modified(struct file *file)
>  {
> +       struct fuse_file *ff = file->private_data;
> +       struct file *backing_file = fuse_file_passthrough(ff);
>         struct inode *inode = file_inode(file);
> -
> -       fuse_invalidate_attr_mask(inode, FUSE_STATX_MODSIZE);
> +       loff_t size = i_size_read(file_inode(backing_file));

What about passing iocb and res to ->end_write() instead of just the
file, so that we don't need to touch the underlying inode?

Thanks,
Miklos