linux-kernel - Re: [PATCH v10 5/8] block: Replace BIO_NO_PAGE_REF with BIO_PAGE

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Message-ID: <f70c9b67-5284-cd6a-7360-92a883bf9bb5@redhat.com>
Date:   Thu, 26 Jan 2023 10:32:05 +0100
From:   David Hildenbrand <david@...hat.com>
To:     David Howells <dhowells@...hat.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>
Cc:     Matthew Wilcox <willy@...radead.org>, Jens Axboe <axboe@...nel.dk>,
        Jan Kara <jack@...e.cz>, Jeff Layton <jlayton@...nel.org>,
        Jason Gunthorpe <jgg@...dia.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        linux-fsdevel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Christoph Hellwig <hch@....de>,
        John Hubbard <jhubbard@...dia.com>
Subject: Re: [PATCH v10 5/8] block: Replace BIO_NO_PAGE_REF with
 BIO_PAGE_REFFED with inverted logic

On 25.01.23 22:06, David Howells wrote:
> From: Christoph Hellwig <hch@....de>
> 
> Replace BIO_NO_PAGE_REF with a BIO_PAGE_REFFED flag that has the inverted
> meaning is only set when a page reference has been acquired that needs to
> be released by bio_release_pages().
> 
> Signed-off-by: David Howells <dhowells@...hat.com>
> Reviewed-by: Christoph Hellwig <hch@....de>
> Reviewed-by: John Hubbard <jhubbard@...dia.com>
> cc: Al Viro <viro@...iv.linux.org.uk>
> cc: Jens Axboe <axboe@...nel.dk>
> cc: Jan Kara <jack@...e.cz>
> cc: Matthew Wilcox <willy@...radead.org>
> cc: Logan Gunthorpe <logang@...tatee.com>
> cc: linux-block@...r.kernel.org
> ---

Oh, and I agree with a previous comment that this patch should also hold 
a Signed-off-by from Christoph above your Signed-off-by, if he is 
mentioned as the author via "From:".

I remember stumbling over that in submitting-patches.rst ...

-- 
Thanks,

David / dhildenb