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>,
Trond Myklebust <trondmy@kernel.org>,
netfs@lists.linux.dev, linux-afs@lists.infradead.org,
linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org,
ceph-devel@vger.kernel.org, v9fs@lists.linux.dev,
linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH v2 06/21] iov_iter: Make iov_iter_get_pages*() wrap iov_iter_extract_pages()
Date: Sun, 24 May 2026 23:13:51 -0700 [thread overview]
Message-ID: <ahPon44OlN0SqzU6@infradead.org> (raw)
In-Reply-To: <20260518222959.488126-7-dhowells@redhat.com>
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.
next prev parent reply other threads:[~2026-05-25 6:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20260518222959.488126-1-dhowells@redhat.com>
2026-05-18 22:29 ` [PATCH v2 05/21] Add a function to kmap one page of a multipage bio_vec David Howells
2026-05-25 6:13 ` Christoph Hellwig
2026-05-18 22:29 ` [PATCH v2 06/21] iov_iter: Make iov_iter_get_pages*() wrap iov_iter_extract_pages() David Howells
2026-05-25 6:13 ` Christoph Hellwig [this message]
2026-05-18 22:29 ` [PATCH v2 07/21] iov_iter: Add a segmented queue of bio_vec[] David Howells
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