linux-kernel - Re: [PATCH v14 00/17] iov_iter: Improve page extraction (pin or just list)

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Message-ID: <867e1e3e-681b-843b-1704-effed736e13d@kernel.dk>
Date:   Tue, 14 Feb 2023 16:05:29 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     David Howells <dhowells@...hat.com>, smfrench@...il.com
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>,
        Matthew Wilcox <willy@...radead.org>, Jan Kara <jack@...e.cz>,
        Jeff Layton <jlayton@...nel.org>,
        David Hildenbrand <david@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Hillf Danton <hdanton@...a.com>, linux-fsdevel@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH v14 00/17] iov_iter: Improve page extraction (pin or just
 list)

On 2/14/23 3:56 PM, David Howells wrote:
> Hi Jens,
> 
> If you decide not to take my patches in this merge window, would you have any
> objection to my patches 1-3 and 10-11 in this series going through Steve
> French's cifs tree so that he can take my cifs iteratorisation patches?
> 
> Patches 1-3 would add filemap_splice_read() and direct_splice_read(), but not
> connect them up to anything and 10-11 would add iov_iter_extract_pages().  I
> can then give Steve a patch to make cifs use them as part of my patches for
> that.
> 
> This would only affect cifs.  See my iov-cifs branch:
> 
> 	https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=iov-cifs
> 
> for an example of how this would look.

Let's update the branch and see how it goes... If there's more fallout, then
let's make a fallback plan for the first few.

-- 
Jens Axboe