RFR: 8271308: (fc) FileChannel.transferTo() transfers no more than Integer.MAX_VALUE bytes in one call [v2]

[Brian Burkhalter]

> Please consider this request to enhance `java.nio.channels.FileChannel.transferTo()` to be able to transfer more than `Integer.MAX_VALUE` bytes in one call.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  8271308: Make direct transfer map to only one syscall

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4940/files
  - new: https://git.openjdk.java.net/jdk/pull/4940/files/3f7836f0..86e2d65d

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4940&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4940&range=00-01

  Stats: 57 lines in 4 files changed: 13 ins; 18 del; 26 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4940.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4940/head:pull/4940

PR: https://git.openjdk.java.net/jdk/pull/4940