linux-kernel - Re: remove blkdev_get as a public API v2

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Message-ID: <d23e5bd4-4d69-f909-eb8b-10c489b67f8b@kernel.dk>
Date:   Wed, 23 Sep 2020 10:43:57 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Christoph Hellwig <hch@....de>
Cc:     Josef Bacik <josef@...icpanda.com>,
        Minchan Kim <minchan@...nel.org>,
        Stefan Haberland <sth@...ux.ibm.com>,
        Jan Hoeppner <hoeppner@...ux.ibm.com>,
        Joseph Qi <joseph.qi@...ux.alibaba.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, nbd@...er.debian.org,
        linux-ide@...r.kernel.org, linux-s390@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, ocfs2-devel@....oracle.com,
        linux-pm@...r.kernel.org, linux-mm@...ck.org,
        linux-block@...r.kernel.org
Subject: Re: remove blkdev_get as a public API v2

On 9/21/20 1:19 AM, Christoph Hellwig wrote:
> Hi Jens,
> 
> this series removes blkdev_get as a public API, leaving it as just an
> implementation detail of blkdev_get_by_path and blkdev_get_by_dev.  The
> reason for that is that blkdev_get is a very confusing API that requires
> a struct block_device to be fed in, but then actually consumes the
> reference.  And it turns out just using the two above mentioned APIs
> actually significantly simplifies the code as well.
> 
> Changes since v1:
>  - fix a mismerged that left a stray bdget_disk around
>  - factour the partition scan at registration time code into a new
>    helper.

Applied for 5.10, thanks.

-- 
Jens Axboe