Make sure we populate the initroot filesystem late enough

We should not initialize rootfs before all the core initializers have
run.  So do it as a separate stage just before starting the regular
driver initializers.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 6e9fceb..7437cca 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -242,6 +242,7 @@
   	*(.initcall4s.init)						\
   	*(.initcall5.init)						\
   	*(.initcall5s.init)						\
+	*(.initcallrootfs.init)						\
   	*(.initcall6.init)						\
   	*(.initcall6s.init)						\
   	*(.initcall7.init)						\
diff --git a/include/linux/init.h b/include/linux/init.h
index 5eb5d24..5a593a1 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -111,6 +111,7 @@
 #define subsys_initcall_sync(fn)	__define_initcall("4s",fn,4s)
 #define fs_initcall(fn)			__define_initcall("5",fn,5)
 #define fs_initcall_sync(fn)		__define_initcall("5s",fn,5s)
+#define rootfs_initcall(fn)		__define_initcall("rootfs",fn,rootfs)
 #define device_initcall(fn)		__define_initcall("6",fn,6)
 #define device_initcall_sync(fn)	__define_initcall("6s",fn,6s)
 #define late_initcall(fn)		__define_initcall("7",fn,7)
diff --git a/init/initramfs.c b/init/initramfs.c
index 85f0403..4fa0f79 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -526,7 +526,7 @@
 
 #endif
 
-void __init populate_rootfs(void)
+static int __init populate_rootfs(void)
 {
 	char *err = unpack_to_rootfs(__initramfs_start,
 			 __initramfs_end - __initramfs_start, 0);
@@ -544,7 +544,7 @@
 			unpack_to_rootfs((char *)initrd_start,
 				initrd_end - initrd_start, 0);
 			free_initrd();
-			return;
+			return 0;
 		}
 		printk("it isn't (%s); looks like an initrd\n", err);
 		fd = sys_open("/initrd.image", O_WRONLY|O_CREAT, 0700);
@@ -565,4 +565,6 @@
 #endif
 	}
 #endif
+	return 0;
 }
+rootfs_initcall(populate_rootfs);
diff --git a/init/main.c b/init/main.c
index fcd9ddc..e3f0bb2 100644
--- a/init/main.c
+++ b/init/main.c
@@ -94,7 +94,6 @@
 extern void prio_tree_init(void);
 extern void radix_tree_init(void);
 extern void free_initmem(void);
-extern void populate_rootfs(void);
 extern void driver_init(void);
 extern void prepare_namespace(void);
 #ifdef	CONFIG_ACPI
@@ -745,12 +744,6 @@
 
 	cpuset_init_smp();
 
-	/*
-	 * Do this before initcalls, because some drivers want to access
-	 * firmware files.
-	 */
-	populate_rootfs();
-
 	do_basic_setup();
 
 	/*