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

[Brian Burkhalter]

On Apr 9, 2021, at 11:46 PM, Alan Bateman <alanb at openjdk.java.net<mailto:alanb at openjdk.java.net>> wrote:

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

Filed JDK-8265100 to address this oversight.
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