linux-kernel - Re: [PATCH V6 11/30] block: implement bio_pages_all() via bio_for_each_segment

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Date:   Thu, 14 Jun 2018 09:23:54 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Jens Axboe <axboe@...com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Kent Overstreet <kent.overstreet@...il.com>,
        David Sterba <dsterba@...e.cz>,
        Huang Ying <ying.huang@...el.com>,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        Theodore Ts'o <tytso@....edu>,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        Coly Li <colyli@...e.de>, Filipe Manana <fdmanana@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>
Subject: Re: [PATCH V6 11/30] block: implement bio_pages_all() via
 bio_for_each_segment_all()

On Wed, Jun 13, 2018 at 07:44:12AM -0700, Christoph Hellwig wrote:
> Given that we have a single, dubious user of bio_pages_all I'd rather
> see it as an opencoded bio_for_each_ loop in the caller.

Yeah, that is fine since there is only one user in btrfs.

Thanks,
Ming