commit 2e30b1968a66147412f21002ea844122a0d5e2f0
Author: Arnd Bergmann <arnd@arndb.de>
Date:   Wed Jun 6 05:50:07 2012 +0200

    flashbench: use only one out of 12 erase blocks
    
    This helps with TLC memory when while guessing the erase block size,
    so that the guessed erase block start is at the start of the actual
    erase block.
    
    Signed-off-by: Arnd Bergmann <arnd@arndb.de>
