drbd: use bitmap_weight() helper, don't open code

Suggested by Akinobu Mita <akinobu.mita@gmail.com>

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Lars Ellenberg 2015-03-20 16:15:24 +01:00 • committed by Jens Axboe
commit 5fb3bc4ddc