proc: Split the namespace stuff out into linux/proc_ns.h

Split the proc namespace stuff out into linux/proc_ns.h.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: netdev@vger.kernel.org
cc: Serge E. Hallyn <serge.hallyn@ubuntu.com>
cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

6 files changed, 8 insertions, 7 deletions

diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index afc0456f227a..364ceab15f0c 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -22,7 +22,7 @@
 #include <linux/pid_namespace.h>
 #include <net/net_namespace.h>
 #include <linux/ipc_namespace.h>
-#include <linux/proc_fs.h>
+#include <linux/proc_ns.h>
 #include <linux/file.h>
 #include <linux/syscalls.h>
 
@@ -241,7 +241,7 @@ SYSCALL_DEFINE2(setns, int, fd, int, nstype)
         const struct proc_ns_operations *ops;
         struct task_struct *tsk = current;
         struct nsproxy *new_nsproxy;
-        struct proc_inode *ei;
+        struct proc_ns *ei;
         struct file *file;
         int err;
 
@@ -250,7 +250,7 @@ SYSCALL_DEFINE2(setns, int, fd, int, nstype)
                 return PTR_ERR(file);
 
         err = -EINVAL;
-        ei = PROC_I(file_inode(file));
+        ei = get_proc_ns(file_inode(file));
         ops = ei->ns_ops;
         if (nstype && (ops->type != nstype))
                 goto out;
diff --git a/kernel/pid.c b/kernel/pid.c
index 047dc6264638..686255e2c39e 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -36,6 +36,7 @@
 #include <linux/pid_namespace.h>
 #include <linux/init_task.h>
 #include <linux/syscalls.h>
+#include <linux/proc_ns.h>
 #include <linux/proc_fs.h>
 
 #define pid_hashfn(nr, ns)      \
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index c1c3dc1c6023..4af28a849065 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -15,7 +15,7 @@
 #include <linux/err.h>
 #include <linux/acct.h>
 #include <linux/slab.h>
-#include <linux/proc_fs.h>
+#include <linux/proc_ns.h>
 #include <linux/reboot.h>
 #include <linux/export.h>
 
diff --git a/kernel/user.c b/kernel/user.c
index e81978e8c03b..5bbb91988e69 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -16,7 +16,7 @@
 #include <linux/interrupt.h>
 #include <linux/export.h>
 #include <linux/user_namespace.h>
-#include <linux/proc_fs.h>
+#include <linux/proc_ns.h>
 
 /*
  * userns count is 1 for root user, 1 for init_uts_ns,
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index b14f4d342043..51855f5f6311 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -9,7 +9,7 @@
 #include <linux/nsproxy.h>
 #include <linux/slab.h>
 #include <linux/user_namespace.h>
-#include <linux/proc_fs.h>
+#include <linux/proc_ns.h>
 #include <linux/highuid.h>
 #include <linux/cred.h>
 #include <linux/securebits.h>
diff --git a/kernel/utsname.c b/kernel/utsname.c
index a47fc5de3113..2fc8576efaa8 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -15,7 +15,7 @@
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/user_namespace.h>
-#include <linux/proc_fs.h>
+#include <linux/proc_ns.h>
 
 static struct uts_namespace *create_uts_ns(void)
 {