trivial patch to reduce allocations in nio open* methods

Hi I have a trivial patch to reduce allocation of OpenOption sets where no args are supplied Spotted this while working on scala compiler, trying to reduce allocations I cannot build JDK due to visual studio issues Can someone progress the patch for me? Dont want to send a patch to this m

parallel IO anomaly with windows REFS formatted drive

Hi It seems to me that some NIO based file creates don't scale work well with REFS formatted drives REFS is an alternative (to NTFS) drive format for Windows 8 and above When working with NTFS on my test system, as we use more threads the performance improves so some degree, (1000 files creates ta