> So at least from where I stand, my object is to reduce the number of > times we take and release the lock, which this doesn't do. As I said > before: we need to figure out the rest, which likely includes an atomic > for the serial number (which is almost unused). I think the check If it's unused it should be removed, make optional. Atomics are a scalability problem too and not much cheaper than spinlocks. -Andi -- 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