tree 116ce9c598cce7bc43b837e1e36e1fab0db35c52
parent af61494ad4725ed78bd6b3f159a32463d80fdd60
author Lars Ellenberg <lars@linbit.com> 1465856789 +0200
committer Jens Axboe <axboe@fb.com> 1465875786 -0600

drbd: discard_zeroes_if_aligned allows "thin" resync for discard_zeroes_data=0

Even if discard_zeroes_data != 0,
if discard_zeroes_if_aligned is set, we assume we can reliably
zero-out/discard using the drbd_issue_peer_discard() helper.

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>