On Fri, May 21, 2021 at 02:15:32PM +0800, Coly Li wrote:
> The above 2 lines are added on purpose to prevent an refcount
> underflow. It is from commit 86da9f736740 ("bcache: fix refcount
> underflow in bcache_device_free()").
>
> Maybe add a parameter to blk_cleanup_disk() or checking (disk->flags &
> GENHD_FL_UP) inside blk_cleanup_disk() ?
Please take a look at patch 4 in the series.
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