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Date: Thu, 6 Jul 2023 07:54:51 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
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Cc: Dave Kleikamp <shaggy@kernel.org>, jfs-discussion@lists.sourceforge.net,
	"Darrick J. Wong" <djwong@kernel.org>, linux-nvme@lists.infradead.org,
	Joseph Qi <joseph.qi@linux.alibaba.com>, dm-devel@redhat.com,
	target-devel@vger.kernel.org, linux-mtd@lists.infradead.org,
	Jack Wang <jinpu.wang@ionos.com>,
	Alasdair Kergon <agk@redhat.com>, drbd-dev@lists.linbit.com,
	linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org,
	linux-scsi@vger.kernel.org, Sergey Senozhatsky <senozhatsky@chromium.org>,
	Christoph Hellwig <hch@infradead.org>,
	xen-devel@lists.xenproject.org, Gao Xiang <xiang@kernel.org>,
	Christian Borntraeger <borntraeger@linux.ibm.com>,
	Kent Overstreet <kent.overstreet@gmail.com>,
	Sven Schnelle <svens@linux.ibm.com>, linux-pm@vger.kernel.org,
	Mike Snitzer <snitzer@kernel.org>, Chao Yu <chao@kernel.org>,
	Joern Engel <joern@lazybastard.org>,
	reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org,
	linux-bcache@vger.kernel.org, David Sterba <dsterba@suse.com>,
	Jaegeuk Kim <jaegeuk@kernel.org>,
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	Jens Axboe <axboe@kernel.dk>, linux-raid@vger.kernel.org,
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	Ted Tso <tytso@mit.edu>, linux-mm@kvack.org, Song Liu <song@kernel.org>,
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	Andrew Morton <akpm@linux-foundation.org>,
	linux-erofs@lists.ozlabs.org, linux-btrfs@vger.kernel.org
Subject: Re: [Drbd-dev] [PATCH RFC 0/32] block: Make blkdev_get_by_*()
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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.