bcache: Use the blk_queue_flag_{set,clear}() functions

Use the blk_queue_flag_{set,clear}() functions instead of open-coding
these.

Cc: Kent Overstreet <kent.overstreet@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Michael Lyle <mlyle@lyle.org>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

drivers/md/bcache/super.c

@@ -833,9 +833,9 @@ static int bcache_device_init(struct bcache_device *d, unsigned block_size,
 	q->limits.io_min		= block_size;
 	q->limits.logical_block_size	= block_size;
 	q->limits.physical_block_size	= block_size;
-	set_bit(QUEUE_FLAG_NONROT,	&d->disk->queue->queue_flags);
-	clear_bit(QUEUE_FLAG_ADD_RANDOM, &d->disk->queue->queue_flags);
-	set_bit(QUEUE_FLAG_DISCARD,	&d->disk->queue->queue_flags);
+	blk_queue_flag_set(QUEUE_FLAG_NONROT, d->disk->queue);
+	blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, d->disk->queue);
+	blk_queue_flag_set(QUEUE_FLAG_DISCARD, d->disk->queue);
 
 	blk_queue_write_cache(q, true, true);