[11u] RFR 8265231: (fc) ReadDirect and WriteDirect tests fail after fix for JDK-8264821

[Zhengyu Gu]

Thanks, Paul.

Tagged for approval.

-Zhengyu

On 5/27/21 8:27 PM, Hohensee, Paul wrote:
> Lgtm.
> 
> Thanks,
> Paul
> 
> -----Original Message-----
> From: jdk-updates-dev <jdk-updates-dev-retn at openjdk.java.net> on behalf of Zhengyu Gu <zgu at redhat.com>
> Date: Monday, May 24, 2021 at 6:57 AM
> To: "jdk-updates-dev at openjdk.java.net" <jdk-updates-dev at openjdk.java.net>
> Subject: [11u] RFR 8265231: (fc) ReadDirect and WriteDirect tests fail after fix for JDK-8264821
> 
> I would like to backport this patch to 11u for parity with Oracle 11.0.13.
> 
> The original bug: https://bugs.openjdk.java.net/browse/JDK-8265231
> The original patch: https://github.com/openjdk/jdk/commit/d1b28e7a
> 
> The original patch does not apply cleanly, due to JDK-8262465 11u
> backport diverged from original patch, and preserved
> isDirectIOSupportedByFS check.
> 
> 11u webrev: http://cr.openjdk.java.net/~zgu/JDK-8265231-11u/webrev.00/
> 
> 
> Test:
>     DirectIOTest.java passed on Linux x86_64
> 
> Thanks,
> 
> -Zhengyu
> 
>