[Bug 1728354] Re: ntfs: unsupported reparse point

[Jean-Pierre]

> I haven't touched ntfs-3g, only copied/installed the plugin

Good to know this is usable, though it was not part of the design. You
probably cannot browse the OneDrive directory, but apparently you can
access files (and browse subdirectories) when you know their path.
Despite the inconvenience this should be safe.

In the test scenario, I wanted to see why LibreOffice defeats the
synchronization, which I expected to be apparent by comparing the
ntfsinfo before and after an update of a synchronized file by
LibreOffice (with no further interference from Windows). Your second and
your third ntfsinfo are about different files, so I cannot tell.

Expected scenario :
1) Create a file on Windows and get it synchronized.
2) Reboot to Ubuntu
3) Extract the ntfsinfo
4) Update the file using LibreOffice (and save it without creating a new file)
5) Extract again the ntfsinfo
6) (Optionally) Reboot to Windows, and check the file cannot be synchronized any more.

In your second ntfsinfo, I see that an object id has been added
(probably to reference the cloud copy). I suspect it was removed by
LibreOffice, and if its scenario for saving the updated file is to
create a new file and then to rename it like the initial one, then the
object id is lost and Windows cannot associate it with the cloud copy
any more.

If LibreOffice removes the object id, I see no solution.

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https://bugs.launchpad.net/bugs/1728354

Title:
  ntfs: unsupported reparse point

Status in ntfs-3g package in Ubuntu:
  Confirmed

Bug description:
  I recently updated my Windows-10 to the 1709 edition. Scanning the
  file system with Ubuntu, I get "unsupported reparse point" errors.
  Searching the web indicates that ntfs cannot handle certain files.

  I am running Ubutu-Mate 17.10:

  uname -r: 4.13.0-16-generic

  lsb_release -rcid:
  Distributor ID:	Ubuntu
  Description:	Ubuntu 17.10
  Release:	17.10
  Codename:	artful

  I include a file which runs ntfsinfo on a file where I get the "unsupported reparse point" message:
  sudo ntfsinfo -F /Windows/hh.exe /dev/sda1 >unsupported_reparse_point.txt

  while mounted: I issue ls -l <mount_point>/Windows/hh.exe 
  ls -l Windows/hh.exe 
  lrwxrwxrwx 2 .. .. 25 Sep 29 14:41 Windows/hh.exe -> unsupported reparse point

  I expect to see either a resolved link or a length for the file in
  question.

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