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

[Brian Burkhalter]

On Wed, 31 Mar 2021 00:22:20 GMT, Brian Burkhalter <bpb 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.

I already have this information.

1. `C:` - Win10 system drive

`Root: C:\
volName: System, fsName: NTFS, volSN: 1620920694, volType: 3`

2. `E:` - CD drive (VirtualBox Guest Additions)

`Root: E:\
volName: VBox_GAs_6.1.18, fsName: CDFS, volSN: -1657170319, volType: 5`

3. `Z:` - VirtualBox shared folder

`Root: Z:\
volName: VBOX_VirtualBox, fsName: VBoxSharedFolderFS, volSN: 16777221, volType:
4`

4. `\\BPB\Public` - Local share created for `C:\Users\Public`

`Root: \\BPB\Public\
volName: System, fsName: NTFS, volSN: 1620920694, volType: 4`

5. `\\192.168.0.111\Shared` - "Remote" share of macOS host `/Users/Shared`

`Root: \\192.168.0.111\Shared\
volName: Macintosh HD - Data, fsName: NTFS, volSN: 0, volType: 4`

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