[jdk17u-dev] RFR: 8287162: (zipfs) Performance regression related to support for POSIX file permissions

[Christoph Langer]

Hi all,

This pull request contains a backport of [JDK-8287162](https://bugs.openjdk.java.net/browse/JDK-8287162), commit [a10c5597](https://github.com/openjdk/jdk/commit/a10c5597d93c4402bafdbb570437aac052b10027) from the [openjdk/jdk](https://git.openjdk.java.net/jdk) repository.

The commit being backported was authored by Lance Andersen on 24 May 2022 and was reviewed by Jaikiran Pai, Alan Bateman and Christoph Langer.

Thanks!

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Commit messages:
 - Backport a10c5597d93c4402bafdbb570437aac052b10027

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/417/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=417&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8287162
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/417.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/417/head:pull/417

PR: https://git.openjdk.java.net/jdk17u-dev/pull/417