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authorSerge E. Hallyn2011-03-23 16:43:23 -0700
committerLinus Torvalds2011-03-23 19:47:07 -0700
commitb515498f5bb5f38fc0e390b4ff7d00b6077de127 (patch)
treeb76dfc56415adee9aec5d8619124059ed3ab02a5 /include/linux
parentfc832ad3645f0507f24d11752544525a50a83c71 (diff)
userns: add a user namespace owner of ipc ns
Changelog: Feb 15: Don't set new ipc->user_ns if we didn't create a new ipc_ns. Feb 23: Move extern declaration to ipc_namespace.h, and group fwd declarations at top. Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Daniel Lezcano <daniel.lezcano@free.fr> Acked-by: David Howells <dhowells@redhat.com> Cc: James Morris <jmorris@namei.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/ipc_namespace.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 51952989ad42..d3c32dcec623 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -15,6 +15,7 @@
#define IPCNS_CALLBACK_PRI 0
+struct user_namespace;
struct ipc_ids {
int in_use;
@@ -56,6 +57,8 @@ struct ipc_namespace {
unsigned int mq_msg_max; /* initialized to DFLT_MSGMAX */
unsigned int mq_msgsize_max; /* initialized to DFLT_MSGSIZEMAX */
+ /* user_ns which owns the ipc ns */
+ struct user_namespace *user_ns;
};
extern struct ipc_namespace init_ipc_ns;