hg: jdk/jdk: 8221696: MappedByteBuffer.force method to specify range

[adinn at redhat.com]

Changeset: 1b940da275d2
Author:    adinn
Date:      2019-04-25 17:27 +0100
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/1b940da275d2

8221696: MappedByteBuffer.force method to specify range
Summary: Overload MappedByteBuffer.force to accept index and length arguments
Reviewed-by: dfuchs, alanb, bpb

! src/java.base/share/classes/java/nio/MappedByteBuffer.java
! test/jdk/java/nio/channels/FileChannel/MapTest.java