On Tue, Mar 26, 2024 at 08:23:19AM +0900, Damien Le Moal wrote: > REQ_OP_ZONE_APPEND + RQF_FLUSH_SEQ is not something supported, and this patch > series is not changing that. The reason is that the flush machinery is not > zone-append aware and will break if such request is issued for a device that > does not support fua. We probably should check for this, but that is not > something for this series to do and should be a separate fix. Btw, I don't think we're even catching this right now. Would be great to have a submission path check for it.