RFR: 8278268 - (ch) InputStream returned by Channels.newInputStream should have fast path for FileChannel targets [v17]

[Brian Burkhalter]

On Sun, 11 Dec 2022 15:18:54 GMT, Markus KARG <duke at openjdk.org> wrote:

>> This sub-issue defines the work to be done to implement JDK-8265891 solely for the particular case of FileChannel.transferFrom(ReadableByteChannel), including special treatment of SelectableByteChannel.
>
> Markus KARG has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:
> 
>   Implementing 8278268
>   
>   Signed-off-by: Markus Karg <markus at headcrashing.eu>

test/jdk/java/nio/channels/Channels/TransferTo2.java line 2:

> 1: /*
> 2:  * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.

The copyright years need to be updated per the usual convention in all files in this PR.

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PR: https://git.openjdk.org/jdk/pull/6711