Re: [RFC PATCH 05/11] iov_iter: Use IOMAP_WRITE rather than iterator direction

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To: David Howells <dhowells@xxxxxxxxxx>
Subject: Re: [RFC PATCH 05/11] iov_iter: Use IOMAP_WRITE rather than iterator direction
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 6 Jul 2023 08:30:07 -0700
Cc: Jens Axboe <axboe@xxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxx>, Logan Gunthorpe <logang@xxxxxxxxxxxx>, Hillf Danton <hdanton@xxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, Christian Brauner <christian@xxxxxxxxxx>
In-reply-to: <20230630152524.661208-6-dhowells@redhat.com>
References: <20230630152524.661208-1-dhowells@redhat.com> <20230630152524.661208-6-dhowells@redhat.com>

On Fri, Jun 30, 2023 at 04:25:18PM +0100, David Howells wrote:
> If an iomap_iter is available, use the IOMAP_WRITE flag instead of the
> iterator direction.

This is really two patches, one for dax and one for iomap, and not one
for the iov_iter code.

References:
- [RFC PATCH 00/11] iov_iter: Use I/O direction from kiocb, iomap & request rather than iov_iter
  - From: David Howells
- [RFC PATCH 05/11] iov_iter: Use IOMAP_WRITE rather than iterator direction
  - From: David Howells

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