RFR: 8274112: (fc) Tune FileChannel.transferTo()

[Brian Burkhalter]

On Wed, 22 Sep 2021 01:25:37 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> Please consider this patch which would improve the performance of
> `FileChannel.transferTo()` on macOS and Windows.

I agree about keeping the decisions at the Java level. I will work on refactoring this.

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PR: https://git.openjdk.java.net/jdk/pull/5623