flashbench: extend README

This adds an explanation about how to find the number
of open segments/eraseblocks.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1 file changed
tree: 594499d109c18a9fcf1d3c3a286995876274b94b
  1. dev.c
  2. dev.h
  3. erase.c
  4. flashbench.c
  5. Makefile
  6. README
  7. vm.c
  8. vm.h