>>>>> "Christoph" == Christoph Hellwig <hch@xxxxxxxxxxxxx> writes: Christoph> Note that if the hardware doesn't actually implement UNMAP Christoph> and you have to emulate something you're probably better off Christoph> emulating WRITE SAME (16) with the UNMAP bit, as the format Christoph> is a lot easier to handle, and it's much better specified to Christoph> start with. Yup, absolutely! -- Martin K. Petersen Oracle Linux Engineering -- 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