[jdk17u-dev] RFR: 8309591: Socket.setOption(TCP_QUICKACK) uses wrong level

[Paul Hohensee]

On Mon, 14 Aug 2023 10:49:42 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Unclean backport to fix TCP_QUICKACK bug.
> 
> The backport is unclean, because AIX hunks could not be applied. The implementation of extended socket options on AIX went into JDK 21 with [JDK-8305089](https://bugs.openjdk.org/browse/JDK-8305089).
> 
> Additional testing:
>  - [x] Linux AArch64 fastdebug, `jdk_net`
>  - [x] Linux AArch64 fastdebug, `tier1 tier2 tier3`

Marked as reviewed by phh (Reviewer).

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PR Review: https://git.openjdk.org/jdk17u-dev/pull/1664#pullrequestreview-1581489938