[Bug 1728354] Re: ntfs: unsupported reparse point

[Jean-Pierre]

Reparse points are a way to trigger some specific processing when
accessing a file. For instance a reparse point can be used to define a
new patch to the file or directory, which ntfs-3g emulates as a symbolic
link.

Windows 10 makes use of new reparse points for new kinds of features, which ntfs-3g processes through plugins. Currently two plugins are available : one for decompressing system files and one for extracting deduplicated files. According to the ntfsinfo, you need the former one, made available by Eric Biggers on
https://github.com/ebiggers/ntfs-3g-system-compression

Ready-to-use plugins are available on
http://jp-andre.pagesperso-orange.fr/advanced-ntfs-3g.html#download

To make use of these plugins, you need ntfs-3g 2016.2.22AR.1 or more
recent.

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

Title:
  ntfs: unsupported reparse point

Status in ntfs-3g package in Ubuntu:
  New

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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