linux-kernel - Re: [PATCH v3 2/2] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter

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Message-ID: <CAHk-=wjFrVp6srTBsMKV8LBjCEO0bRDYXm-KYrq7oRk0TGr6HA@mail.gmail.com>
Date:   Wed, 16 Aug 2023 18:50:56 +0000
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     David Laight <David.Laight@...lab.com>
Cc:     David Howells <dhowells@...hat.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Jens Axboe <axboe@...nel.dk>, Christoph Hellwig <hch@...t.de>,
        Christian Brauner <christian@...uner.io>,
        Matthew Wilcox <willy@...radead.org>,
        Jeff Layton <jlayton@...nel.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/2] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter_mc()

On Wed, 16 Aug 2023 at 14:19, David Laight <David.Laight@...lab.com> wrote:
>
> What about ITER_BVEC_MC ??

That probably would be the best option. Just make it a proper
ITER_xyz, instead of an odd sub-case for one ITER (but set up in such
a way that it looks like it might happen for other ITER_xyz cases).

                Linus