Function Ext2InitializeLabel

Ext4Fsd/memory.c:2225–2265

}

NTSTATUS
Ext2InitializeLabel(
    IN PEXT2_VCB            Vcb,
    IN PEXT2_SUPER_BLOCK    Sb
)
{
    NTSTATUS            status;

    USHORT              Length;
    UNICODE_STRING      Label;
    OEM_STRING          OemName;

    Label.MaximumLength = 16 * sizeof(WCHAR);
    Label.Length    = 0;
    Label.Buffer    = Vcb->Vpb->VolumeLabel;
    Vcb->Vpb->VolumeLabelLength = 0;
    RtlZeroMemory(Label.Buffer, Label.MaximumLength);

    Length = 16;
    while (  (Length > 0) &&
             ((Sb->s_volume_name[Length -1]  == 0x00) ||
              (Sb->s_volume_name[Length - 1] == 0x20)  )
          ) {
        Length--;
    }

    if (Length == 0) {
        return STATUS_SUCCESS;
    }

    OemName.Buffer =  Sb->s_volume_name;
    OemName.MaximumLength = 16;
    OemName.Length = Length;

    status = Ext2OEMToUnicode(Vcb, &Label, &OemName);
    if (NT_SUCCESS(status)) {
        Vcb->Vpb->VolumeLabelLength = Label.Length;
    }

    return status;
}

static __inline BOOLEAN Ext2IsNullUuid (__u8 * uuid)
{