linux-ext4 - Re: [PATCH RFC 0/32] block: Make blkdev_get_by

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Message-ID: <ZKbVuyn0jELh8UDM@infradead.org>
Date:   Thu, 6 Jul 2023 07:54:51 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-block@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Jens Axboe <axboe@...nel.dk>,
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Subject: Re: [PATCH RFC 0/32] block: Make blkdev_get_by_*() return handle

On Tue, Jul 04, 2023 at 02:21:27PM +0200, Jan Kara wrote:
> Hello,
> 
> this patch series implements the idea of blkdev_get_by_*() calls returning
> bdev_handle which is then passed to blkdev_put() [1]. This makes the get
> and put calls for bdevs more obviously matching and allows us to propagate
> context from get to put without having to modify all the users (again!).
> In particular I need to propagate used open flags to blkdev_put() to be able
> count writeable opens and add support for blocking writes to mounted block
> devices. I'll send that series separately.
> 
> The series is based on Linus' tree as of yesterday + two bcache fixes which are
> in the block tree. Patches have passed some basic testing, I plan to test more
> users once we agree this is the right way to go.

Can you post a link to a git branch for this and the follow up series?
Especially with a fairly unstable base it's kinda hard to look at the
result otherwise.