netdev - Re: [PATCH 01/23] block: factor out a bvec_set

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Message-ID: <Y9igcK1d/iGn33pK@casper.infradead.org>
Date:   Tue, 31 Jan 2023 05:00:32 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>,
        Ilya Dryomov <idryomov@...il.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Minchan Kim <minchan@...nel.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Keith Busch <kbusch@...nel.org>,
        Sagi Grimberg <sagi@...mberg.me>,
        Chaitanya Kulkarni <kch@...dia.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        David Howells <dhowells@...hat.com>,
        Marc Dionne <marc.dionne@...istor.com>,
        Xiubo Li <xiubli@...hat.com>, Steve French <sfrench@...ba.org>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Anna Schumaker <anna@...nel.org>,
        Mike Marshall <hubcap@...ibond.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Chuck Lever <chuck.lever@...cle.com>,
        linux-block@...r.kernel.org, ceph-devel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
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        linux-mm@...ck.org
Subject: Re: [PATCH 01/23] block: factor out a bvec_set_page helper

On Mon, Jan 30, 2023 at 08:47:58PM -0800, Jakub Kicinski wrote:
> kinda random thought but since we're touching this area - could we
> perhaps move the definition of struct bio_vec and trivial helpers 
> like this into a new header? bvec.h pulls in mm.h which is a right
> behemoth :S

I bet we can drop mm.h now.  It was originally added for nth_page()
in 3d75ca0adef4 but those were all removed by b8753433fc61.

A quick smoke test on my default testing config doesn't find any
problems.  Let me send a patch and see if the build bots complain.