Re: [PATCH v7 2/8] iov_iter: Add a function to extract a page list from an iterator

From: Christoph Hellwig
Date: Mon Jan 23 2023 - 11:17:51 EST


On Mon, Jan 23, 2023 at 05:11:14PM +0100, Jan Kara wrote:
> I'm all for using only pin/unpin in the end. But you'd still need to handle
> the 'put' for the intermediate time when there are still FOLL_GET users of
> the bio infrastructure, wouldn't you?

Yes, we need it for the transition. But Dave already has a patch to
convert the legacy direct-io code as well, at which point we can
the retire the get bit.