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Orangefs cleanups and enablement of O_DIRECT in open.

Browse source 
Cleanups:
  - remove some unused defines, and also some obfuscatory ones.
  - remove a redundant xattr handler.
  - Remove useless xattr prefix arguments.
  - Be more picky about uid and gid handling WRT namespaces.
    Our use of current_user_ns() instead of init_user_ns left
    open the possibility that users could spoof their uids
    or gids when the server was running in a different namespace
    in "default security" mode.
  - Allow open(2) to succeed with O_DIRECT.
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Merge tag 'for-linus-4.8-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs updates from Mike Mashall:
 "Orangefs cleanups and enablement of O_DIRECT in open.

  Cleanups:

   - remove some unused defines, and also some obfuscatory ones.

   - remove a redundant xattr handler.

   - Remove useless xattr prefix arguments.

   - Be more picky about uid and gid handling WRT namespaces.

     Our use of current_user_ns() instead of init_user_ns left open the
     possibility that users could spoof their uids or gids when the
     server was running in a different namespace in "default security"
     mode.

   - Allow open(2) to succeed with O_DIRECT"

* tag 'for-linus-4.8-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  orangefs: fix namespace handling
  Orangefs: allow O_DIRECT in open
  orangefs: Remove useless xattr prefix arguments
  orangefs: Remove redundant "trusted." xattr handler
  orangefs: Remove useless defines
This commit is contained in:
Linus Torvalds 2016-07-26 18:42:18 -07:00
commit d31dcd9247
8 changed files with 61 additions and 146 deletions
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