Am 03.05.23 um 06:18 schrieb Christoph Hellwig: > On Tue, May 02, 2023 at 11:29:22AM +0200, Christoph Böhmwalder wrote: >> struct bio *bio = bio_alloc(device->ldev->backing_bdev, 0, >> - REQ_OP_FLUSH | REQ_PREFLUSH, GFP_NOIO); >> + REQ_OP_FLUSH, GFP_NOIO); > > This isn't going to work. flush bios are (somewhat confusingly) Indeed... > implemented as writes with no data and the preflush flag. So this > should be: > > REQ_OP_WRITE | REQ_PREFLUSH. > > and it looks like whatever flushing this does hasn't wroked for a long > time. Thanks for the hint. I'll prepare a v2 today. -- Christoph Böhmwalder LINBIT | Keeping the Digital World Running DRBD HA — Disaster Recovery — Software defined Storage
