tree 4c8eebdb5c6655275a6ffc7c252f695a61efb6c6
parent f318cc436a0d7db372e03424a344c8dc9839d183
author Ying Wang <wangying@google.com> 1416362593 -0800
committer Jeff Hao <jeffhao@google.com> 1416433710 -0800

Support journal size board config variables.

A device can set up BOARD_SYSTEMIMAGE_JOURNAL_SIZE (number of journal blocks)
in its BoardConfig.mk.
To disable journaling, set "BOARD_SYSTEMIMAGE_JOURNAL_SIZE := 0".

BOARD_VENDORIMAGE_JOURNAL_SIZE and BOARD_OEMIMAGE_JOURNAL_SIZE work in
similar way.

Bug: 18430740

(cherry picked from commit f3b86357e20a31ef0febe254f1f08706006f57fa)

Change-Id: Icc6c7e1b3be25b8e21b6a737492d944428e4a35a