A system and method for reducing latency in systems using layered device driver architectures. The preferred embodiment of the invention comprises a disk subsystem including a layered device driver architecture which performs various RAID operations. A plurality of the driver layers are defined to use...http://www.google.ca/patents/US5978856?utm_source=gb-gplus-sharePatent US5978856 - System and method for reducing latency in layered device driver architectures