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Message-ID: <ZKbeZ3yq5y8ORCZH@infradead.org>
Date: Thu, 6 Jul 2023 08:31:51 -0700
From: Christoph Hellwig <hch@...radead.org>
To: David Howells <dhowells@...hat.com>
Cc: Jens Axboe <axboe@...nel.dk>, Al Viro <viro@...iv.linux.org.uk>,
Christoph Hellwig <hch@...radead.org>,
Matthew Wilcox <willy@...radead.org>, Jan Kara <jack@...e.cz>,
Jeff Layton <jlayton@...nel.org>,
David Hildenbrand <david@...hat.com>,
Jason Gunthorpe <jgg@...dia.com>,
Logan Gunthorpe <logang@...tatee.com>,
Hillf Danton <hdanton@...a.com>,
Christian Brauner <brauner@...nel.org>,
linux-fsdevel@...r.kernel.org, linux-block@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
Christoph Hellwig <hch@....de>,
Christian Brauner <christian@...uner.io>
Subject: Re: [RFC PATCH 08/11] iov_iter: Drop iov_iter_rw() and fold in last
user
On Fri, Jun 30, 2023 at 04:25:21PM +0100, David Howells wrote:
> Drop the last usage of iov_iter_rw() into __iov_iter_get_pages_alloc().
Well, if we can't just drop this check entirely, the rest of the prep
work is just churn and not actually very useful. Shouldn't we go
all the way and kill ITER_DEST/SOURCE?
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