Re: [PATCH v7 1/8] iov_iter: Define flags to qualify page extraction.
From: Christoph Hellwig
Date: Sat Jan 21 2023 - 08:01:46 EST
On Fri, Jan 20, 2023 at 05:55:49PM +0000, David Howells wrote:
> For now only a flag to allow peer-to-peer DMA is allowed; but in future,
> additional flags will be provided to indicate the I/O direction.
Al still doesn't seem to be sold on the latter part, so maybe just
drop this sentence for now.