Subject: Re: [PATCH 03/12] block: bio_release_pages: use flags arg instead of bool

From: Christoph Hellwig <[email-masked]>
Date: Thu, 1 Aug 2019 10:20:04 +0200

On Tue, Jul 30, 2019 at 11:57:02AM -0400, Jerome Glisse wrote:
> Other user can also add page that are not coming from GUP but need to
> have a reference see __blkdev_direct_IO()

Except for the zero page case I mentioned in my last mail explicitly,
and the KVEC/PIPE type iov vecs from the original mail what other
pages do you see to get added?