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

[Brian Burkhalter]

On Wed, 31 Mar 2021 10:35:42 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Please consider this change to make `sun.nio.fs.WindowsFileStore.equals()` return `true` if the root strings of the two objects are equal under case insensitive comparison, and the two `WindowsFileStore`s have the same volume information.
>
> src/java.base/windows/classes/sun/nio/fs/WindowsFileStore.java line 243:
> 
>> 241:                 volInfo.volumeSerialNumber() == otherInfo.volumeSerialNumber();
>> 242:         }
>> 243:         return false;
> 
> The volType == DRIVE_REMOTE case is the reason why we didn't fix this one in the past. Can you summarise that the VolumeInfomation is for this case?

I was not able to test that case yet. Using the VolumeInformation was intended to limit spurious equality.

Can you explain abut DRIVE_REMOTE?

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