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authorPatrick McHardy <kaber@trash.net>2011-04-13 07:32:28 -0400
committerPatrick McHardy <kaber@trash.net>2011-04-13 07:32:28 -0400
commitb32e3dc7860d00124fa432dba09667e647cb9bcc (patch)
tree2fa6e56f389431dfb84609d3d7572cad76e88e71 /include/linux/ipc_namespace.h
parent6604271c5bc658a6067ed0c3deba4d89e0e50382 (diff)
parent96120d86fe302c006259baee9061eea9e1b9e486 (diff)
Merge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
Diffstat (limited to 'include/linux/ipc_namespace.h')
-rw-r--r--include/linux/ipc_namespace.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 51952989ad42..a6d1655f9607 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -5,6 +5,7 @@
5#include <linux/idr.h> 5#include <linux/idr.h>
6#include <linux/rwsem.h> 6#include <linux/rwsem.h>
7#include <linux/notifier.h> 7#include <linux/notifier.h>
8#include <linux/nsproxy.h>
8 9
9/* 10/*
10 * ipc namespace events 11 * ipc namespace events
@@ -15,6 +16,7 @@
15 16
16#define IPCNS_CALLBACK_PRI 0 17#define IPCNS_CALLBACK_PRI 0
17 18
19struct user_namespace;
18 20
19struct ipc_ids { 21struct ipc_ids {
20 int in_use; 22 int in_use;
@@ -56,6 +58,8 @@ struct ipc_namespace {
56 unsigned int mq_msg_max; /* initialized to DFLT_MSGMAX */ 58 unsigned int mq_msg_max; /* initialized to DFLT_MSGMAX */
57 unsigned int mq_msgsize_max; /* initialized to DFLT_MSGSIZEMAX */ 59 unsigned int mq_msgsize_max; /* initialized to DFLT_MSGSIZEMAX */
58 60
61 /* user_ns which owns the ipc ns */
62 struct user_namespace *user_ns;
59}; 63};
60 64
61extern struct ipc_namespace init_ipc_ns; 65extern struct ipc_namespace init_ipc_ns;
@@ -90,7 +94,7 @@ static inline int mq_init_ns(struct ipc_namespace *ns) { return 0; }
90 94
91#if defined(CONFIG_IPC_NS) 95#if defined(CONFIG_IPC_NS)
92extern struct ipc_namespace *copy_ipcs(unsigned long flags, 96extern struct ipc_namespace *copy_ipcs(unsigned long flags,
93 struct ipc_namespace *ns); 97 struct task_struct *tsk);
94static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) 98static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
95{ 99{
96 if (ns) 100 if (ns)
@@ -101,12 +105,12 @@ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
101extern void put_ipc_ns(struct ipc_namespace *ns); 105extern void put_ipc_ns(struct ipc_namespace *ns);
102#else 106#else
103static inline struct ipc_namespace *copy_ipcs(unsigned long flags, 107static inline struct ipc_namespace *copy_ipcs(unsigned long flags,
104 struct ipc_namespace *ns) 108 struct task_struct *tsk)
105{ 109{
106 if (flags & CLONE_NEWIPC) 110 if (flags & CLONE_NEWIPC)
107 return ERR_PTR(-EINVAL); 111 return ERR_PTR(-EINVAL);
108 112
109 return ns; 113 return tsk->nsproxy->ipc_ns;
110} 114}
111 115
112static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) 116static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)