[PATCH] cafe_nand: remove busy-wait loop

Chris Ball cjb at laptop.org
Wed Dec 10 15:36:31 EST 2008


Hi John,

   > It's unfortunate that there's no "block device" way to access Flash
   > chips in Linux without using a filesystem at all.  It's much easier
   > to measure and tune I/O performance without a filesystem first,
   > then see what (filesystem or driver) optimizations are required to
   > make a particular filesystem fast on that device.

Does e.g. "dd if=mtd0 of=somefile bs=1M count=20" accomplish this?
(When a program expects a block device argument, you can give a raw
"mtd0" instead.)

- Chris.
-- 
Chris Ball   <cjb at laptop.org>


More information about the Devel mailing list