37650 disable prefetch by default
37777 [Backport bug 33309 to 4.1.3.0] zfs prefetch code needs work
37778 [Backport bug 34210 to 4.1.3.0] want kstats to measure prefetch efficacy
37779 [Backport bug 34268 to 4.1.3.0] multiblock read requests result in excessive prefetch i/os
37965 [Backport bug 36708 to 4.1.3.0] Storage LUNs failing to expand, although visible in Sysadmin->capacity screen
39198 [Backport bug 39195 to 4.1.3.1] bump up vmxnet3s ring sizes to maximize throughput on 10Gbit networks
39598 [Backport bug 39586 to 4.1.3.2] free of invalid memory address in libipadm causes management stack to crash when enabling a network interface