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	Mon, 25 May 2026 06:13:51 +0000
Date: Sun, 24 May 2026 23:13:51 -0700
From: Christoph Hellwig <hch@infradead.org>
To: David Howells <dhowells@redhat.com>
Cc: Christian Brauner <christian@brauner.io>,
	Matthew Wilcox <willy@infradead.org>,
	Christoph Hellwig <hch@infradead.org>,
	Paulo Alcantara <pc@manguebit.org>, Jens Axboe <axboe@kernel.dk>,
	Leon Romanovsky <leon@kernel.org>, Steve French <sfrench@samba.org>,
	ChenXiaoSong <chenxiaosong@chenxiaosong.com>,
	Marc Dionne <marc.dionne@auristor.com>,
	Eric Van Hensbergen <ericvh@kernel.org>,
	Dominique Martinet <asmadeus@codewreck.org>,
	Ilya Dryomov <idryomov@gmail.com>,
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	linux-block@vger.kernel.org
Subject: Re: [PATCH v2 06/21] iov_iter: Make iov_iter_get_pages*() wrap
 iov_iter_extract_pages()
Message-ID: <ahPon44OlN0SqzU6@infradead.org>
References: <20260518222959.488126-1-dhowells@redhat.com>
 <20260518222959.488126-7-dhowells@redhat.com>
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On Mon, May 18, 2026 at 11:29:38PM +0100, David Howells wrote:
> Make iov_iter_get_pages*() wrap iov_iter_extract_pages() for kernel
> iterator types (e.g. ITER_BVEC, ITER_FOLIOQ, ITER_XARRAY).  The pages
> obtained have their refcounts incremented afterwards if they're not slab
> pages.  ITER_KVEC is left returning -EFAULT.

Just kill off iov_iter_get_pages*, please.  Or at least stop using it
where these types matter.