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f_utime() from ff.c seems to be volatile

Question asked by Mark Eckerberg on Aug 29, 2017
Latest reply on Sep 13, 2017 by Mark Eckerberg

I can set the date/time of a file with f_utime() and the function returns success, then I can read the date/time with f_stat() and I see the new date/time, then I can detach and re-attach the flash drive and f_stat() still shows the old date/time as does a PC.  Is there another step required to make it non-volatile?