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
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