int rv;
if (mdev->write_ordering >= WO_bdev_flush && get_ldev(mdev)) {
- rv = blkdev_issue_flush(mdev->ldev->backing_bdev, NULL);
+ rv = blkdev_issue_flush(mdev->ldev->backing_bdev, GFP_KERNEL,
+ NULL, BLKDEV_IFL_WAIT);
if (rv) {
dev_err(DEV, "local disk flush failed with status %d\n", rv);
/* would rather check on EOPNOTSUPP, but that is not reliable.