linux-kernel - Re: [PATCH v8 01/10] iov_iter: Define flags to qualify page extraction.

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Message-ID: <Y87QALPDje97EJZG@infradead.org>
Date:   Mon, 23 Jan 2023 10:20:48 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>,
        Matthew Wilcox <willy@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, Jan Kara <jack@...e.cz>,
        Jeff Layton <jlayton@...nel.org>,
        Logan Gunthorpe <logang@...tatee.com>,
        linux-fsdevel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 01/10] iov_iter: Define flags to qualify page
 extraction.

On Mon, Jan 23, 2023 at 05:29:58PM +0000, David Howells wrote:
> Define flags to qualify page extraction to pass into iov_iter_*_pages*()
> rather than passing in FOLL_* flags.
> 
> For now only a flag to allow peer-to-peer DMA is supported.
> 
> Signed-off-by: David Howells <dhowells@...hat.com>

Looks good:

Reviewed-by: Christoph Hellwig <hch@....de>