FAT filesystem write and long names stability

Sascha Hauer s.hauer at pengutronix.de
Mon Dec 19 06:14:24 EST 2011


On Mon, Dec 19, 2011 at 12:01:20PM +0100, Sascha Hauer wrote:
> On Thu, Dec 15, 2011 at 10:28:38AM +0100, Robert Jarzmik wrote:
> > Robert Jarzmik <robert.jarzmik at free.fr> writes:
> > 
> > > Sascha Hauer <s.hauer at pengutronix.de> writes:
> > >> It would be great if you could give it some testing as obviously my test
> > >> patterns didn't reveal the 'create folder' bug you described.
> > > Tomorrow or wednesday, I'll make the few tests I always do (making a
> > > directory, copying a file, deleting a file, etc ...) and report.
> > This is what my tests give back:
> > 
> > **** With FAT caching (barebox.git/next + rjk mioa701 support):
> > barebox:/sdcard time bmp /sdcard/help.bmp 
> > time: 6895ms
> > barebox:/sdcard time cp /sdcard/help.bmp /sdcard/toto.tmp
> > time: 13278ms
> > barebox:/sdcard ls -l help.bmp
> > -rwxrwxrwx     230454 help.bmp
> > barebox:/sdcard 
> 
> There is something wrong. These times are far from being acceptable.

BTW Does your SD card work with a proper frequency?

Sascha

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