Re: [PATCH next] iov_iter: fix copy_page_from_iter_atomic()

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To: Hugh Dickins <hughd@xxxxxxxxxx>
Subject: Re: [PATCH next] iov_iter: fix copy_page_from_iter_atomic()
From: David Howells <dhowells@xxxxxxxxxx>
Date: Sat, 07 Oct 2023 08:29:14 +0100
Cc: dhowells@xxxxxxxxxx, Christian Brauner <brauner@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Christian Brauner <christian@xxxxxxxxxx>, David Laight <David.Laight@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <356ef449-44bf-539f-76c0-7fe9c6e713bb@google.com>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903
References: <356ef449-44bf-539f-76c0-7fe9c6e713bb@google.com> <20230925120309.1731676-9-dhowells@redhat.com> <20230925120309.1731676-1-dhowells@redhat.com> <1809398.1696238751@warthog.procyon.org.uk>

Hugh Dickins <hughd@xxxxxxxxxx> wrote:

> -		__copy_from_iter(p, n, i);
> +		n = __copy_from_iter(p, n, i);

Yeah, that looks right.  Can you fold it in, Christian?

David

Follow-Ups:
- Re: [PATCH next] iov_iter: fix copy_page_from_iter_atomic()
  - From: Christian Brauner

References:
- [PATCH next] iov_iter: fix copy_page_from_iter_atomic()
  - From: Hugh Dickins
- [PATCH v7 08/12] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter_mc()
  - From: David Howells
- [PATCH v7 00/12] iov_iter: Convert the iterator macros into inline funcs
  - From: David Howells
- Re: [PATCH v7 08/12] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter_mc()
  - From: David Howells

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