OpenZFS on OS X

Regarding "xattr -xws com.apple.FinderInfo ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff $a/Presentation1.pptx", do you want to make it works the same ways as APFS? That way it is more compatible with APFS?

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$ xattr -c $a/Presentation1.pptx
$ xattr -wx com.apple.FinderInfo ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff $a/Presentation1.pptx
$ xattr -l $a/Presentation1.pptx
com.apple.FinderInfo:
00000000  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF  |................|
00000010  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF  |................|
00000020
$ finderinfo read $a/Presentation1.pptx
Attempting to read FinderInfo from "/Users/eli/pit/Presentation1.pptx"
Ok(
    File(
        FinderInfoFile {
            file_info: FileInfo {
                fileType: Err(FromUtf8Error { bytes: [255, 255, 255, 255], error: Utf8Error { valid_up_to: 0, error_len: Some(1) } }),
                fileCreator: Err(FromUtf8Error { bytes: [255, 255, 255, 255], error: Utf8Error { valid_up_to: 0, error_len: Some(1) } }),
                finderFlags: FinderFlags {
                    raw: 65535,
                    flags: [
                        "Orange",
                        "kIsShared",
                        "kHasNoINITs",
                        "kHasBeenInited",
                        "kHasCustomIcon",
                        "kIsStationery",
                        "kNameLocked",
                        "kHasBundle",
                        "kIsInvisible",
                        "kIsAlias",
                        "kHideExtension",
                    ],
                },
                location: Point {
                    v: -1,
                    h: -1,
                },
                reservedField: 65535,
            },
            extended_file_info: ExtendedFileInfo {
                reserved1: [
                    -1,
                    -1,
                    -1,
                    -1,
                ],
                extendedFinderFlags: ExtendedFinderFlags {
                    raw: 65535,
                    flags: [
                        "kExtendedFlagsAreInvalid",
                        "kExtendedFlagHasCustomBadge",
                        "kExtendedFlagHasCustomBadge",
                    ],
                },
                reserved2: -1,
                putAwayFolderID: -1,
            },
        },
    ),
)

Updated BS and Catalina. Now you can at least SET xattrs - which will help.

Thank you so much for fixing it. It works!

Now I can continue to use ZFS volumes for regular daily usage.

The following tests are performed -
1. Finder, duplicate, color tag tested. OK!
2. xattr -wx tested. OK!
3. xattred update com.apple.FinderInfo to 00000000 00000000 000C0000 00000000 00000000 00000000 00000000 00000000 tested. OK!
4. PowerPoint save as tested. OK!

ZFS version tested:

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$ zfs version
zfs-2.0.0-rc2
zfs-kmod-zfs-2.0.0rc2-8-ga19a56217f

Thanks for reporting it! I would never have noticed

OK there is one more xattr fix to come, rottegift found it this morning

Thank you for sharing this information. I'll help to test it when you have a new build.