hg: jdk9/dev/jdk: 8080629: (fs) Re-enable ability to fsync() on directories even though read()s on those directories may fail.

[brian.burkhalter at oracle.com]

Changeset: eb7d3e11a8cb
Author:    bpb
Date:      2015-05-19 07:12 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/eb7d3e11a8cb

8080629: (fs) Re-enable ability to fsync() on directories even though read()s on those directories may fail.
Summary: Revert fix applied to resolve JDK-8066915.
Reviewed-by: alanb

! src/java.base/unix/classes/sun/nio/fs/UnixChannelFactory.java
! test/java/nio/file/Files/SBC.java