flashbench: spread out --open-au test some more

Using every other erase block is bad when you have
guessed the erase block size incorrectly. Better
skip three for each one we test, to have a better
chance of actually hitting separate erase blocks.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1 file changed
tree: 0afe4c0ab6e1834612b8a4eab4ecdd64d2ddde1d
  1. Makefile
  3. dev.c
  4. dev.h
  5. erase.c
  6. flashbench.c
  7. vm.c
  8. vm.h