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From: Christoph Hellwig <hch@lst.de>
To: David Howells <dhowells@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>, Al Viro <viro@zeniv.linux.org.uk>,
	Christoph Hellwig <hch@lst.de>,
	Matthew Wilcox <willy@infradead.org>,
	Christian Brauner <brauner@kernel.org>,
	David Hildenbrand <david@redhat.com>,
	John Hubbard <jhubbard@nvidia.com>,
	Jeff Layton <jlayton@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
	linux-kselftest@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] iov_iter: Fix iov_iter_extract_pages()
Date: Sat, 9 Sep 2023 13:27:18 +0200	[thread overview]
Message-ID: <20230909112718.GA12045@lst.de> (raw)
In-Reply-To: <20230908160322.1714302-2-dhowells@redhat.com>

On Fri, Sep 08, 2023 at 05:03:20PM +0100, David Howells wrote:
> iov_iter_extract_pages() doesn't correctly handle skipping over initial
> zero-length entries in ITER_KVEC and ITER_BVEC-type iterators.

Maybe put a little of that into the subject.  Fix $foo only makes sense
when it is completely broken and not for a corner case.

i.e.

iov_iter: skip over leading empty vecs in iov_iter_extract_pages

The change itself looks good:

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

  reply	other threads:[~2023-09-09 11:27 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-08 16:03 [PATCH 0/3] iov_iter: Add kunit tests and fix iov_iter_extract_pages() David Howells
2023-09-08 16:03 ` [PATCH 1/3] iov_iter: Fix iov_iter_extract_pages() David Howells
2023-09-09 11:27   ` Christoph Hellwig [this message]
2023-09-08 16:03 ` [PATCH 2/3] iov_iter: Kunit tests for copying to/from an iterator David Howells
2023-09-09 11:30   ` Christoph Hellwig
2023-09-08 16:03 ` [PATCH 3/3] iov_iter: Kunit tests for page extraction David Howells

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