On Tue, Mar 26, 2019 at 03:37:36PM +0800, Ming Lei wrote: > On Tue, Mar 26, 2019 at 3:36 PM Christoph Hellwig <hch@xxxxxx> wrote: > > > > Note that in many cases allocating larger pages in the other targets > > would be useful. Given that you fix the one places where we made a page > > size assumption I don't see a great need to limit outselves here. > > block device backed ns still needs this patch. Then we need to fix that code as well. Or even better make bio_add_page handle the larger than page case fine if it really doesn't do that yet.