ns: use inode initializer for initial namespaces

Just use the common helper we have.

Signed-off-by: Christian Brauner <brauner@kernel.org>

Author: brauner

fs/namespace.c

@@ -6012,7 +6012,7 @@ SYSCALL_DEFINE4(listmount, const struct mnt_id_req __user *, req,
 }
 
 struct mnt_namespace init_mnt_ns = {
-	.ns.inum	= PROC_MNT_INIT_INO,
+	.ns.inum	= ns_init_inum(&init_mnt_ns),
 	.ns.ops		= &mntns_operations,
 	.user_ns	= &init_user_ns,
 	.ns.__ns_ref	= REFCOUNT_INIT(1),

init/version-timestamp.c

@@ -18,7 +18,7 @@ struct uts_namespace init_uts_ns = {
 		.domainname	= UTS_DOMAINNAME,
 	},
 	.user_ns = &init_user_ns,
-	.ns.inum = PROC_UTS_INIT_INO,
+	.ns.inum = ns_init_inum(&init_uts_ns),
 #ifdef CONFIG_UTS_NS
 	.ns.ops = &utsns_operations,
 #endif

ipc/msgutil.c

@@ -29,7 +29,7 @@ DEFINE_SPINLOCK(mq_lock);
 struct ipc_namespace init_ipc_ns = {
 	.ns.__ns_ref = REFCOUNT_INIT(1),
 	.user_ns = &init_user_ns,
-	.ns.inum = PROC_IPC_INIT_INO,
+	.ns.inum = ns_init_inum(&init_ipc_ns),
 #ifdef CONFIG_IPC_NS
 	.ns.ops = &ipcns_operations,
 #endif

kernel/cgroup/cgroup.c

@@ -222,7 +222,7 @@ struct cgroup_namespace init_cgroup_ns = {
 	.ns.__ns_ref	= REFCOUNT_INIT(2),
 	.user_ns	= &init_user_ns,
 	.ns.ops		= &cgroupns_operations,
-	.ns.inum	= PROC_CGROUP_INIT_INO,
+	.ns.inum	= ns_init_inum(&init_cgroup_ns),
 	.root_cset	= &init_css_set,
 };
 

kernel/pid.c

@@ -77,7 +77,7 @@ struct pid_namespace init_pid_ns = {
 	.level = 0,
 	.child_reaper = &init_task,
 	.user_ns = &init_user_ns,
-	.ns.inum = PROC_PID_INIT_INO,
+	.ns.inum = ns_init_inum(&init_pid_ns),
 #ifdef CONFIG_PID_NS
 	.ns.ops = &pidns_operations,
 #endif

kernel/time/namespace.c

@@ -482,7 +482,7 @@ const struct proc_ns_operations timens_for_children_operations = {
 struct time_namespace init_time_ns = {
 	.ns.__ns_ref	= REFCOUNT_INIT(3),
 	.user_ns	= &init_user_ns,
-	.ns.inum	= PROC_TIME_INIT_INO,
+	.ns.inum	= ns_init_inum(&init_time_ns),
 	.ns.ops		= &timens_operations,
 	.frozen_offsets	= true,
 };

kernel/user.c

@@ -68,7 +68,7 @@ struct user_namespace init_user_ns = {
 	.ns.__ns_ref = REFCOUNT_INIT(3),
 	.owner = GLOBAL_ROOT_UID,
 	.group = GLOBAL_ROOT_GID,
-	.ns.inum = PROC_USER_INIT_INO,
+	.ns.inum = ns_init_inum(&init_user_ns),
 #ifdef CONFIG_USER_NS
 	.ns.ops = &userns_operations,
 #endif