X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Futsname.h;h=f8d3b326e93a2f9b8a2f5bc616877a433acfa73a;hb=45977d0e87ac988d04fccfb89221727aaf8d78a4;hp=13e1da0c538d209871bb1099169004aa24d52072;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/utsname.h b/include/linux/utsname.h
index 13e1da0c538..f8d3b326e93 100644
--- a/include/linux/utsname.h
+++ b/include/linux/utsname.h
@@ -30,7 +30,56 @@ struct new_utsname {
 	char domainname[65];
 };
 
-extern struct new_utsname system_utsname;
+#ifdef __KERNEL__
 
-extern struct rw_semaphore uts_sem;
+#include <linux/sched.h>
+#include <linux/kref.h>
+#include <linux/nsproxy.h>
+#include <asm/atomic.h>
+
+struct uts_namespace {
+	struct kref kref;
+	struct new_utsname name;
+};
+extern struct uts_namespace init_uts_ns;
+
+static inline void get_uts_ns(struct uts_namespace *ns)
+{
+	kref_get(&ns->kref);
+}
+
+#ifdef CONFIG_UTS_NS
+extern struct uts_namespace *copy_utsname(int flags, struct uts_namespace *ns);
+extern void free_uts_ns(struct kref *kref);
+
+static inline void put_uts_ns(struct uts_namespace *ns)
+{
+	kref_put(&ns->kref, free_uts_ns);
+}
+#else
+static inline struct uts_namespace *copy_utsname(int flags,
+						struct uts_namespace *ns)
+{
+	return ns;
+}
+
+static inline void put_uts_ns(struct uts_namespace *ns)
+{
+}
 #endif
+
+static inline struct new_utsname *utsname(void)
+{
+	return &current->nsproxy->uts_ns->name;
+}
+
+static inline struct new_utsname *init_utsname(void)
+{
+	return &init_uts_ns.name;
+}
+
+extern struct rw_semaphore uts_sem;
+
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_UTSNAME_H */