linux-kernel - Re: [PATCH v9 6/8] block: Switch to pinning pages.

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Date:   Tue, 24 Jan 2023 22:30:28 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Matthew Wilcox <willy@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, 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>,
        linux-fsdevel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v9 6/8] block: Switch to pinning pages.

On Tue, Jan 24, 2023 at 08:59:11PM +0000, David Howells wrote:
> Christoph Hellwig <hch@...radead.org> wrote:
> 
> > > Add BIO_PAGE_PINNED to indicate that the pages in a bio are pinned
> > > (FOLL_PIN) and that the pin will need removing.
> > 
> > The subject is odd when this doesn't actually switch anything,
> > but just adds the infrastructure to unpin pages.
> 
> How about:
> 
> 	block: Add BIO_PAGE_PINNED and associated infrastructure

sounds good.