Checkpoint holds entire brt open (as zombie if necessary) instead of just holding open the cachefile.
git-svn-id: file:///svn/toku/tokudb.2037b@15740 c7de825b-a66e-492c-adef-691d508d4ae1
> to toku_include/.
> This is done to avoid poisoning namespace, and to be easily included by handlerton.
git-svn-id: file:///svn/toku/tokudb@15579 c7de825b-a66e-492c-adef-691d508d4ae1