On Thursday 26 May 2011, Patrick Fu wrote: > > There are many reasons why this could happen: > > > > * You used a Kingston (or other cheap) SD card with a file system other > > than FAT32 > > > > I'm just curious. How could this thing (file system type) affect read/write operations? > Could you explain it a little? > See my article at https://lwn.net/Articles/428584/ and the survey at https://wiki.linaro.org/WorkingGroups/Kernel/Projects/FlashCardSurvey. Many cheap cards are designed for a very specific file system layout. If you do something else, you can have orders of magnitude higher write amplification. 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
