RFR: 8317687: (fs) FileStore.supportsFileAttributeView("posix") incorrectly returns 'true' for FAT32 volume on macOS

[Alan Bateman]

On Fri, 6 Oct 2023 21:39:32 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> Change `BsdFileStore.supportsFileAttributeView` to return false for POSIX attributes when the associated volume file system type is FAT32.

src/java.base/macosx/classes/sun/nio/fs/BsdFileStore.java line 107:

> 105:         if (type == PosixFileAttributeView.class &&
> 106:             entry().fstype().equals("msdos"))
> 107:             return false;

I suspect supportsFileAttributeView(String) will need to be changed to return false if the view name is "unix".

test/jdk/java/nio/file/Files/CopyAndMove.java line 158:

> 156:                                   attrs1.fileKey(), attrs1.lastModifiedTime());
> 157:                 System.err.format("File time for %s is %s\n",
> 158:                                   attrs2.fileKey(), attrs2.lastModifiedTime());

Are you 150% sure this is reliable?

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PR Review Comment: https://git.openjdk.org/jdk/pull/16084#discussion_r1349471509
PR Review Comment: https://git.openjdk.org/jdk/pull/16084#discussion_r1349471986