Re: [PATCH next 1/3] truncate,shmem: Fix data loss when hole punched in folio

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Sun, Jan 02, 2022 at 05:32:28PM -0800, Hugh Dickins wrote:
>  
> +	same_folio = (lstart >> PAGE_SHIFT) == (lend >> PAGE_SHIFT);

Should this move to the else branch?

Same for the other copy of this code.  Otherwise this looks sane.