git: openjdk/jdk21u: master: 8313368: (fc) FileChannel.size returns 0 on block special files

[Brian Burkhalter]

Changeset: edc15aa6
Author:    Brian Burkhalter <bpb at openjdk.org>
Date:      2023-10-10 14:33:23 +0000
URL:       https://git.openjdk.org/jdk21u/commit/edc15aa6edd82a4c3da857c26e7bb765663f2aae

8313368: (fc) FileChannel.size returns 0 on block special files

Backport-of: 4ba81f631f572d870d0f2c96fefe0cabc55e1841

! src/java.base/unix/native/libnio/ch/UnixFileDispatcherImpl.c
! test/jdk/java/nio/channels/FileChannel/BlockDeviceSize.java