On Thu, Aug 20, 2015 at 11:56:36PM +0000, Keith Busch wrote: > NVMe can also specify > if whether or not a reservation should persist through power-loss. SCSI does as well, it's the APTPL flag. However reservations not persistent through a power loss are basically useless, so I decided to force them on in the API. From the documentation: "All implementations are expected to ensure the reservations survive a power loss" So I would prefer not to add it, or if we really have to as a negative flag to specifically opt out of the APTPL behavior. > with it. For example, NVMe can ignore existing keys when acquiring a > reservation in addition to registering a new key. This sounds like a sensible addition to me, and I wouldn't be surprised if future SPC versions will add this flag. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
