On Wed, Nov 10, 2021 at 12:38:42PM +0100, Andreas Gruenbacher wrote: > + if (iomap->type == IOMAP_INLINE) { > + /* > + * The filesystem sets iomap->length to the size of the inline > + * data. We're at the end of the file, so we know that the > + * rest of the page needs to be zeroed out. > + */ > + iomap->length = iomap_read_inline_data(iter, page); > + return iomap->length; You can't just change iomap->length here. Fix the file system to return the right length, please.