RFR: 8357268: Use JavaNioAccess.getBufferAddress rather than DirectBuffer.address() [v5]

[Valerie Peng]

On Tue, 20 May 2025 16:10:07 GMT, Per Minborg <pminborg at openjdk.org> wrote:

>> This PR proposes to use  `JavaNioAccess::getBufferAdress` rather than `DirectBuffer::address` so that `Buffer` instances backed by MemorySegment instances can be used in classes that were not covered by https://github.com/openjdk/jdk/pull/25321
>> 
>> This PR passes tier1, tier2, and tier3 tests on multiple platforms and configurations.
>
> Per Minborg has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update after comments

src/java.base/unix/classes/sun/nio/fs/UnixUserDefinedFileAttributeView.java line 176:

> 174:                 dst.position(pos + n);
> 175:                 return n;
> 176:             }  finally {

nit: extra space before finally?

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PR Review Comment: https://git.openjdk.org/jdk/pull/25324#discussion_r2099108417