Log Message:
Update to 20111008.

Includes Makefile patch sent upstream (thanks!).

Changelog (translated by Google from Japanese):

Adjust the duration of the lock, and make additional response
SendTargets.
Added ReadCache / WriteCache as a LUN option for future expansion.
This volatile write cache mode was previously supported with (O_FSYNC)
,but can now be set from the beginning.
It is expected to be stable this year.

New configuration key (LUN option):
  # for each LUN number (both enabled by default)
  LUN0 Option ReadCache Disable
  LUN0 Option WriteCache Disable