TOMOYO Linux uses pathnames for auditing and controlling file access.
Therefore, namespace_sem is needed.
Signed-off-by: Kentaro Takeda <takedakn@nttdata.co.jp>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
---
fs/namespace.c | 2 +-
include/linux/mnt_namespace.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
--- linux-2.6.orig/fs/namespace.c 2007-08-23 21:25:13.000000000 +0900
+++ linux-2.6/fs/namespace.c 2007-08-24 15:51:34.000000000 +0900
@@ -38,7 +38,7 @@ static int event;
static struct list_head *mount_hashtable __read_mostly;
static int hash_mask __read_mostly, hash_bits __read_mostly;
static struct kmem_cache *mnt_cache __read_mostly;
-static struct rw_semaphore namespace_sem;
+struct rw_semaphore namespace_sem;
/* /sys/fs */
decl_subsys(fs, NULL, NULL);
--- linux-2.6.orig/include/linux/mnt_namespace.h 2007-08-23 21:25:13.000000000 +0900
+++ linux-2.6/include/linux/mnt_namespace.h 2007-08-24 15:51:34.000000000 +0900
@@ -6,6 +6,8 @@
#include <linux/sched.h>
#include <linux/nsproxy.h>
+extern struct rw_semaphore namespace_sem;
+
struct mnt_namespace {
atomic_t count;
struct vfsmount * root;
-
