On Thu, 31 Oct 2024 07:15:16 GMT, Taizo Kurashige <d...@openjdk.org> wrote:
> To resolve java/io/File/GetXSpace.java failure, I fix libGetXSpace.c to use > Cygwin’s `df` to get the size for comparison if the test target drive is a > CD-ROM drive. > > As described in JDK-8343342, GetDiskSpaceInformationW can't get information > about the size of the CD-ROM drive. > GetDiskFreeSpaceExW can also get information about the size of the CD-ROM > drive. However, because GetDiskFreeSpaceExW is called by the File.get-X-Space > methods, it seems more reasonable to compare the size got by other way than > GetDiskFreeSpaceExW as a test. For this reason, I use Cygwin's `df`. > In JDK-8298619, GetDiskSpaceInformationW was adopted instead of `df` because > the size got by File.get-X-Space methods may not match the size got by `df` > when per-user quotas are used. I don't think this problem applies to CD-ROM > drive, so I think we can use Cygwin's `df` for CD-ROM drive. > > After fix, I ran a test on Windows Server 2019 where drive C is a normal > local disk, drive D is an unmounted iso CD-ROM drive, and drive F is an iso > mounted CD-ROM drive and confirmed that it passes. > > I think this fix may also resolves the similar failure reported at > https://github.com/openjdk/jdk/pull/12397#issuecomment-1705164515. > > Thanks It's in my queue to review this and test it on actual hardware. ------------- PR Comment: https://git.openjdk.org/jdk/pull/21799#issuecomment-2452147053
