RFR: 8357847: (ch) AsynchronousFileChannel implementations should support FFM Buffers [v8]

[Brian Burkhalter]

On Mon, 16 Jun 2025 15:35:10 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Acquire the scope of a direct buffer before it is used and release it after the task has finished with it, whether the task execution is immediate or pended.
>
> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8357912: Remove isDirect() in SimpleAsync; remove import Disabled; run in othervm

Tiers 1-3 passed.

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PR Comment: https://git.openjdk.org/jdk/pull/25531#issuecomment-2977522467