RFR: 8264400: (fs) WindowsFileStore equality depends on how the FileStore was constructed [v6]

[Alan Bateman]

On Fri, 9 Apr 2021 22:24:03 GMT, Andrey Turbanov <github.com+741251+turbanoff at openjdk.org> wrote:

>> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8264400: Remove vestigial FileSystems.getDefault()
>
> src/java.base/windows/classes/sun/nio/fs/WindowsFileStore.java line 257:
> 
>> 255:                 root.toLowerCase(Locale.ROOT).hashCode() : root.hashCode();
>> 256:         }
>> 257:         return hashCode;
> 
> As I know, to make data race benign, field should be read only once. But there is second read which can still return `0`

You can are right, missed in the final review (as this one went through many iterations).

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PR: https://git.openjdk.java.net/jdk/pull/3279