On Wed, Jan 06, 2021 at 09:01:45AM +0800, Qu Wenruo wrote:
> +static struct extent_buffer *grab_extent_buffer(struct page *page)
> +{
> + struct extent_buffer *exists;
> +
> + /* Page not yet attached to an extent buffer */
> + if (!PagePrivate(page))
> + return NULL;
> +
> + /*
> + * We could have already allocated an eb for this page
> + * and attached one so lets see if we can get a ref on
> + * the existing eb, and if we can we know it's good and
> + * we can just return that one, else we know we can just
> + * overwrite page->private.
> + */
Please reformat comments that get moved to full 80 columns line. Fixed.
