tree a9eb64c44d773e7b4fead20a7bfa9a354abf3bfa
parent 9582d90196aa879e6acf866f02a1adead08707b5
author Eric W. Biederman <ebiederm@xmission.com> 1328662451 -0800
committer Eric W. Biederman <ebiederm@xmission.com> 1346995040 -0700

userns: Convert ipc to use kuid and kgid where appropriate

- Store the ipc owner and creator with a kuid
- Store the ipc group and the crators group with a kgid.
- Add error handling to ipc_update_perms, allowing it to
  fail if the uids and gids can not be converted to kuids
  or kgids.
- Modify the proc files to display the ipc creator and
  owner in the user namespace of the opener of the proc file.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>