linux-kernel - Re: [PATCH v8 04/10] iomap: don't get an reference on ZERO

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Message-ID: <Y87QYbl5rLZVdFRm@infradead.org>
Date:   Mon, 23 Jan 2023 10:22:25 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>,
        Matthew Wilcox <willy@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, Jan Kara <jack@...e.cz>,
        Jeff Layton <jlayton@...nel.org>,
        Logan Gunthorpe <logang@...tatee.com>,
        linux-fsdevel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v8 04/10] iomap: don't get an reference on ZERO_PAGE for
 direct I/O block zeroing

On Mon, Jan 23, 2023 at 05:30:01PM +0000, David Howells wrote:
> From: Christoph Hellwig <hch@....de>
> 
> ZERO_PAGE can't go away, no need to hold an extra reference.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> Signed-off-by: David Howells <dhowells@...hat.com>

I did originally attribute this to you as it's just extracted as
an intermedia step from your patch.  But I can live with it being
credited to me if you want.