From: Matthew Wilcox <willy@infradead.org>
To: David Howells <dhowells@redhat.com>
Cc: viro@zeniv.linux.org.uk, linux-mm@vger.kernel.org,
John Hubbard <jhubbard@nvidia.com>,
linux-fsdevel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
smfrench@gmail.com, torvalds@linux-foundation.org,
linux-cifs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 0/2] iov_iter: Provide a function to extract/pin/get pages from an iteraor
Date: Mon, 31 Oct 2022 14:52:56 +0000 [thread overview]
Message-ID: <Y1/hSO+7kAJhGShG@casper.infradead.org> (raw)
In-Reply-To: <166722777223.2555743.162508599131141451.stgit@warthog.procyon.org.uk>
On Mon, Oct 31, 2022 at 02:49:32PM +0000, David Howells wrote:
> I added a macro by which you can query an iterator to find out how the
> extraction function will treat the pages (it returns 0, FOLL_GET or FOLL_PIN
> as appropriate). Note that it's a macro to avoid #inclusion of linux/mm.h in
> linux/uio.h.
I'd support moving FOLL_* definitions to mm_types.h along with
FAULT_FLAG_* and VM_FAULT_*.
next prev parent reply other threads:[~2022-10-31 14:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-31 14:49 [RFC PATCH 0/2] iov_iter: Provide a function to extract/pin/get pages from an iteraor David Howells
2022-10-31 14:49 ` [RFC PATCH 1/2] iov_iter: Add a function to extract a page list from an iterator David Howells
2022-10-31 14:52 ` Matthew Wilcox [this message]
2022-10-31 20:46 ` [RFC PATCH 0/2] iov_iter: Provide a function to extract/pin/get pages from an iteraor John Hubbard
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