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Date: Wed, 2 Sep 2026 07:31:28 +0200
From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
	Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, Carlos Maiolino <cem@kernel.org>,
	linux-xfs@vger.kernel.org, Chris Mason <clm@fb.com>,
	David Sterba <dsterba@suse.com>, linux-btrfs@vger.kernel.org,
	Theodore Ts'o <tytso@mit.edu>, linux-ext4@vger.kernel.org,
	Gao Xiang <xiang@kernel.org>, linux-erofs@lists.ozlabs.org
Subject: Re: [PATCH RFC v2 08/18] fs: add dedicated block device open
 helpers for filesystems
Message-ID: <20260902053128.GA23581@lst.de>
References: <20260616-work-super-bdev_holder_global-v2-0-7df6b864028e@kernel.org> <20260616-work-super-bdev_holder_global-v2-8-7df6b864028e@kernel.org> <20260901221314.GC6038@frogsfrogsfrogs>
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On Tue, Sep 01, 2026 at 03:13:14PM -0700, Darrick J. Wong wrote:
> Hmm.  I /think/ this might be causing regressions in xfs/006,
> generic/311, and xfs/264 on XFS realtime filesystems.  Each test fails
> with a mount failure due to a busy device:

Yes, I bisected thee failures to "xfs: port to fs_bdev_file_open_by_path()"
as reported on Saturday.  Besides the failures I also still have the
same architectural objections to this whole series as before.