Re: [PATCH v11 3/8] iomap: Don't get an reference on ZERO_PAGE for direct I/O block zeroing

To: David Howells <dhowells@xxxxxxxxxx>
Subject: Re: [PATCH v11 3/8] iomap: Don't get an reference on ZERO_PAGE for direct I/O block zeroing
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 26 Jan 2023 07:12:01 -0800
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxx>, Logan Gunthorpe <logang@xxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, John Hubbard <jhubbard@xxxxxxxxxx>
In-reply-to: <20230126141626.2809643-4-dhowells@redhat.com>
References: <20230126141626.2809643-1-dhowells@redhat.com> <20230126141626.2809643-4-dhowells@redhat.com>

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v11 0/8] iov_iter: Improve page extraction (pin or just list)
  - From: David Howells
- [PATCH v11 3/8] iomap: Don't get an reference on ZERO_PAGE for direct I/O block zeroing
  - From: David Howells