8381670: Revert the changes to GZIPInputStream related to InputStream.available() usage

[jyma22]

Backporting JDK-8381670: Revert the changes to GZIPInputStream related to InputStream.available() usage.
This reverts commit fcbf863f4b7 due to performance regression in GZIPInputStream.
Tested on x64 with make test TEST=test/jdk/java/util/zip/GZIP

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8381670 needs maintainer approval
• Change requires CSR request JDK-8381671 to be approved

Issues

• JDK-8381670: Revert the changes to GZIPInputStream related to InputStream.available() usage (Bug - P3 - Requested)
• JDK-8381671: Revert the changes to GZIPInputStream related to InputStream.available() usage (CSR)

Reviewers

• Paul Hohensee (@phohensee - Reviewer)

Reviewing

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Update a local copy of the PR:
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$ git pull https://git.openjdk.org/jdk21u-dev.git pull/2853/head

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[bridgekeeper]

👋 Welcome back jyma22! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[mlbridge]

Webrevs

• 00: Full (ce8804ec)

[jyma22]

/approval request for backport of JDK-8381670: Revert the changes to GZIPInputStream related to InputStream.available() usage. This fixes a performance regression in GZIPInputStream and the CSR was approved. This pull request is not clean because the tip reverted 2 commits and only one needed to be reverted in 21

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@jyma22
8381670: The approval request has been created successfully.

[bridgekeeper]

@jyma22 This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply issue a /touch or /keepalive command to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[jyma22]

/keepalive

[openjdk]

@jyma22 The pull request is being re-evaluated and the inactivity timeout has been reset.

[bridgekeeper]

@jyma22 This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply issue a /touch or /keepalive command to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!