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Implement a set of holder_ops that shut down the file system when the
block device used as log or RT device is removed undeneath the file
system.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Link: https://lore.kernel.org/r/20230601094459.1350643-14-hch@lst.de

Signed-off-by: Jens Axboe <axboe@kernel.dk>