tree 58edc8ab2feb7b1495ba1b7aad3c859e0f1c68f8
parent 9ffc1c27dcfea2f56aa3bb288393c104560b4400
author Cheng Chen <chengchen@google.com> 1626822536 -0700
committer Cheng Chen <chengchen@google.com> 1626971145 +0000

External partition: fix calculation of num of blocks

Take care of boundary condition as well.

Change-Id: Ia8de094a23dee629525cfb03c6a2a3c8a302e553