On Tuesday, February 12, 2013, Arnd Bergmann wrote: > On Monday 11 February 2013, Chris Ball wrote: > > On Wed, Feb 06 2013, Seungwon Jeon wrote: > > > This patch-set adds support of packed command feature for eMMC4.5 devices. > > > Specially, packed write is introduced. > > > > Thanks, I've pushed this to mmc-next for 3.9 now. > > > > It would be great to see benchmarks for the effect on average write > > latency, instead of just throughput, though. > > Yes, I agree absolutely. In the end, it's always the latency that > matters for user experience not the maximum throughput. I didn't see a significant difference in random I/O. Write packing completely depends on seamless I/O from block layer. As size of media contents is bigger, enhanced write is required in some user scenarios. I guess write throughput is important factor cannot be easily ignored. Thanks, Seungwon Jeon > > Arnd > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html