Fix the test that verifies whether bio_op(bio) represents a discard or write zeroes operation. Compile-tested only. Fixes: 7435e9018f91 ("drbd: zero-out partial unaligned discards on local backend") Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx> Cc: Philipp Reisner <philipp.reisner@xxxxxxxxxx> Cc: Lars Ellenberg <lars.ellenberg@xxxxxxxxxx> --- drivers/block/drbd/drbd_req.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 24f0884ec01f..a8e7d7318e37 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -1244,8 +1244,8 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long _drbd_start_io_acct(device, req); /* process discards always from our submitter thread */ - if ((bio_op(bio) & REQ_OP_WRITE_ZEROES) || - (bio_op(bio) & REQ_OP_DISCARD)) + if (bio_op(bio) == REQ_OP_WRITE_ZEROES || + bio_op(bio) == REQ_OP_DISCARD) goto queue_for_submitter_thread; if (rw == WRITE && req->private_bio && req->i.size -- 2.17.1