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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-11 12:12:04 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-11 12:12:04 -0800
commit8d610dd52dd1da696e199e4b4545f33a2a5de5c6 (patch)
tree8b2eee4dac34ff5f1374225ccba3fedb8432b579
parent8993780a6e44fb4e7ed34e33458506a775356c6e (diff)
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>
-rw-r--r--include/asm-generic/vmlinux.lds.h1
-rw-r--r--include/linux/init.h1
-rw-r--r--init/initramfs.c6
-rw-r--r--init/main.c7
4 files changed, 6 insertions, 9 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 6e9fcebbf89..7437ccaada7 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 5eb5d24b768..5a593a1dec1 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -111,6 +111,7 @@ extern void setup_arch(char **);
#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 85f04037ade..4fa0f7977de 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -526,7 +526,7 @@ static void __init free_initrd(void)
#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 @@ void __init populate_rootfs(void)
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 @@ void __init populate_rootfs(void)
#endif
}
#endif
+ return 0;
}
+rootfs_initcall(populate_rootfs);
diff --git a/init/main.c b/init/main.c
index fcd9ddc3ccf..e3f0bb20b4d 100644
--- a/init/main.c
+++ b/init/main.c
@@ -94,7 +94,6 @@ extern void pidmap_init(void);
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 @@ static int init(void * unused)
cpuset_init_smp();
- /*
- * Do this before initcalls, because some drivers want to access
- * firmware files.
- */
- populate_rootfs();
-
do_basic_setup();
/*