On 26/10/17 13:46, Ulf Hansson wrote: > On 26 October 2017 at 03:19, Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> wrote: >> Hi, Ulf >> >> On 2017/9/27 11:40, Shawn Lin wrote: >>> >>> Per SD specification version 4.10, section 4.3.4, it says "pre-erased >>> (ACMD23) will make a following Multiple Block Write operation faster >>> compared to the same operation without preceding ACMD23". ACMD23 is >>> mandatory for all sd cards and the spec also says "Command STOP_TRAN >>> (CMD12) shall be used to stop the transmission in Write Multiple Block >>> whether or not the preerase (ACMD23) feature is used." >> >> >> Ping... :) > > Hi Shawn, > > Actually I was waiting for confirmation from Jan about his tests. > > However, overall the series looks reasonable to me. Obviously the blk-mq patches do not have support for this. Please apply the blk-mq patches first. What were the performance numbers? -- 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
