Re: [PATCH V11 15/19] block: enable multipage bvecs

From: Christoph Hellwig
Date: Wed Nov 21 2018 - 11:12:11 EST


On Wed, Nov 21, 2018 at 11:48:13PM +0800, Ming Lei wrote:
> I guess the correct check should be:
>
> end_addr = vec_addr + bv->bv_offset + bv->bv_len;
> if (same_page &&
> (end_addr & PAGE_MASK) != (page_addr & PAGE_MASK))
> return false;

Indeed.