userns: use union in {g,u}idmap struct

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- Add a struct containing two pointer to extents and wrap both the static extent
  array and the struct into a union. This is done in preparation for bumping the
  {g,u}idmap limits for user namespaces.
- Add brackets around anonymous union when using designated initializers to
  initialize members in order to please gcc <= 4.4.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

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Christian Brauner 2017-10-25 00:04:40 +02:00 • committed by Eric W. Biederman

parent e19b205be4

commit aa4bf44dc8

2 changed files with 31 additions and 17 deletions

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18

include/linux/user_namespace.h

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