block: Complain if queue_flag_(set|clear)_unlocked() is abused
Since it is not safe to use queue_flag_(set|clear)_unlocked() without holding the queue lock after the sysfs entries for a queue have been created, complain if this happens. Cc: Mike Snitzer <snitzer@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Ming Lei <ming.lei@redhat.com> Reviewed-by: NJohannes Thumshirn <jthumshirn@suse.de> Reviewed-by: NMartin K. Petersen <martin.petersen@oracle.com> Signed-off-by: NBart Van Assche <bart.vanassche@wdc.com> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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