On 22/01/2016 08:17, Mason wrote: > On 22/01/2016 03:07, Shawn Lin wrote: > >> On 2016/1/21 23:00, Mason wrote: >> >>> So that means I have to write code in >>> drivers/mmc/host/sdhci-of-arasan.c correct? >> >> It depends. If you think 512 block size if okay for you, leave it alone. >> Otherwise, add it in drivers/mmc/host/sdhci-of-arasan.c :) > > When I measured the read/write throughput to an attached > SD card, I got around 16 MB/s, and I thought raising the > block size might help with throughput? > > I'll test and report back. Haven't had time to test yet, but I wanted to ask experienced folks what to expect when raising the block size from 512 to 2048 bytes? I don't think it would speed up dd'ing the entire device? (Especially if we use a large block size in dd.) Would it perhaps speed up myriads of random accesses? Regards. -- 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
