On Tue, 11 Aug 2015 14:26:34 +0200, Christoph Hellwig wrote: > if you want to add SCSI-2 RESERVE/RELEASE it would be at least > different opcodes if not an entirely different API. But what for? > RESERVE/RELEASE are basially unsuable and that's why there are > almost no users out there, and they can usually prefer SCSI-3 > semantics. IIUC, recent versions of ESX can still fall-back to using SCSI-2 reservations[1]. With COMPARE AND WRITE supported by LIO, I expect SCSI-2 reservations are no longer strictly needed, but they haven't been dropped yet. > If you have a real users feel free to propose patches and I'm happy to > review them. Thanks, David 1. http://linux-iscsi.org/wiki/VStorage_APIs_for_Array_Integration -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html