Re: [PATCH v3 2/2] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter_mc()

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To: David Laight <David.Laight@xxxxxxxxxx>
Subject: Re: [PATCH v3 2/2] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter_mc()
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 16 Aug 2023 18:50:56 +0000
Cc: David Howells <dhowells@xxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxxx>, Christian Brauner <christian@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, "linux-fsdevel@xxxxxxxxxxxxxxx" <linux-fsdevel@xxxxxxxxxxxxxxx>, "linux-block@xxxxxxxxxxxxxxx" <linux-block@xxxxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <3dabec5643b24534a1c1c51894798047@AcuMS.aculab.com>
References: <03730b50cebb4a349ad8667373bb8127@AcuMS.aculab.com> <20230816120741.534415-1-dhowells@redhat.com> <20230816120741.534415-3-dhowells@redhat.com> <608853.1692190847@warthog.procyon.org.uk> <3dabec5643b24534a1c1c51894798047@AcuMS.aculab.com>

On Wed, 16 Aug 2023 at 14:19, David Laight <David.Laight@xxxxxxxxxx> 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

References:
- RE: [PATCH v3 2/2] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter_mc()
  - From: David Laight
- [PATCH v3 0/2] iov_iter: Convert the iterator macros into inline funcs
  - From: David Howells
- [PATCH v3 2/2] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter_mc()
  - From: David Howells
- Re: [PATCH v3 2/2] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter_mc()
  - From: David Howells
- RE: [PATCH v3 2/2] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter_mc()
  - From: David Laight

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