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10c70d95c0
When replacing the bd_super check with a bd_openers I followed a logical conclusion, which turns out to be utterly wrong. When a block device has bd_super sets it has a mount file system on it (although not every mounted file system sets bd_super), but that also implies it doesn't even have partitions to start with. So instead of trying to come up with a logical check for all openers, just remove the check entirely. Fixes: d3ef5536274f ("block: fix busy device checking in blk_drop_partitions") Fixes: cb6b771b05c3 ("block: fix busy device checking in blk_drop_partitions again") Reported-by: Michal Koutný <mkoutny@suse.com> Reported-by: Yang Xu <xuyang2018.jy@cn.fujitsu.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>