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Message-ID: <824669.1669124217@warthog.procyon.org.uk>
Date: Tue, 22 Nov 2022 13:36:57 +0000
From: David Howells <dhowells@...hat.com>
To: Christoph Hellwig <hch@...radead.org>
Cc: dhowells@...hat.com, Al Viro <viro@...iv.linux.org.uk>,
Christoph Hellwig <hch@....de>,
John Hubbard <jhubbard@...dia.com>,
Matthew Wilcox <willy@...radead.org>,
linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
Jeff Layton <jlayton@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 2/4] iov_iter: Add a function to extract a page list from an iterator
Christoph Hellwig <hch@...radead.org> wrote:
> > +EXPORT_SYMBOL(iov_iter_extract_pages);
>
> get_user_pages_fast, pin_user_pages_fast are very intentionally
> EXPORT_SYMBOL_GPL, which should not be bypassed by an iov_* wrapper.
Ah, but I'm intending to replace:
EXPORT_SYMBOL(iov_iter_get_pages2);
EXPORT_SYMBOL(iov_iter_get_pages_alloc2);
which *aren't* marked _GPL, so you need to argue that one with Al.
David
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