Retry writes on MMC/SD

Marco Lazzaroni motumboe at
Mon Oct 22 12:33:33 EDT 2012

   because of an unreliable hardware, writes to a SD Card fail every now 
and then, and I get error -84 (EILSEQ).
Is there a way to retry writing a sector if it fails? Is there a number 
of retries to set somewhere? If not, how could this be implemented?
Best regards,
   Marco Lazzaroni

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