#include <linux/suspend.h>
#include <linux/root_dev.h>
#include <linux/security.h>
+#include <linux/delay.h>
+#include <linux/mount.h>
+#include <linux/device.h>
#include <linux/nfs_fs.h>
#include <linux/nfs_fs_sb.h>
int __initdata rd_doload; /* 1 = load RAM disk, 0 = don't load */
-int root_mountflags = MS_RDONLY | MS_VERBOSE;
+int root_mountflags = MS_RDONLY | MS_SILENT;
char * __initdata root_device_name;
static char __initdata saved_root_name[64];
-/* this is initialized in init/main.c */
dev_t ROOT_DEV;
-EXPORT_SYMBOL(ROOT_DEV);
-
static int __init load_ramdisk(char *str)
{
rd_doload = simple_strtol(str,NULL,0) & 3;
__setup("ro", readonly);
__setup("rw", readwrite);
-static dev_t __init try_name(char *name, int part)
+static dev_t try_name(char *name, int part)
{
char path[64];
char buf[32];
* used when disk name of partitioned disk ends on a digit.
*
* If name doesn't have fall into the categories above, we return 0.
- * Driverfs is used to check if something is a disk name - it has
+ * Sysfs is used to check if something is a disk name - it has
* all known disks under bus/block/devices. If the disk name
- * contains slashes, name of driverfs node has them replaced with
- * bangs. try_name() does the actual checks, assuming that driverfs
+ * contains slashes, name of sysfs node has them replaced with
+ * bangs. try_name() does the actual checks, assuming that sysfs
* is mounted on rootfs /sys.
*/
-dev_t __init name_to_dev_t(char *name)
+dev_t name_to_dev_t(char *name)
{
char s[32];
char *p;
return 1;
}
+static unsigned int __initdata root_delay;
+static int __init root_delay_setup(char *str)
+{
+ root_delay = simple_strtoul(str, NULL, 0);
+ return 1;
+}
+
__setup("rootflags=", root_data_setup);
__setup("rootfstype=", fs_names_setup);
+__setup("rootdelay=", root_delay_setup);
static void __init get_fs_names(char *page)
{
{
char *fs_names = __getname();
char *p;
+#ifdef CONFIG_BLOCK
char b[BDEVNAME_SIZE];
+#else
+ const char *b = name;
+#endif
get_fs_names(fs_names);
retry:
* Allow the user to distinguish between failed sys_open
* and bad superblock on root device.
*/
+#ifdef CONFIG_BLOCK
__bdevname(ROOT_DEV, b);
+#endif
printk("VFS: Cannot open root device \"%s\" or %s\n",
root_device_name, b);
printk("Please append a correct \"root=\" boot option\n");
panic("VFS: Unable to mount root fs on %s", b);
}
- panic("VFS: Unable to mount root fs on %s", __bdevname(ROOT_DEV, b));
+
+ printk("No filesystem could mount root, tried: ");
+ for (p = fs_names; *p; p += strlen(p)+1)
+ printk(" %s", p);
+ printk("\n");
+#ifdef CONFIG_BLOCK
+ __bdevname(ROOT_DEV, b);
+#endif
+ panic("VFS: Unable to mount root fs on %s", b);
out:
putname(fs_names);
}
{
void *data = nfs_root_data();
- create_dev("/dev/root", ROOT_DEV, NULL);
+ create_dev("/dev/root", ROOT_DEV);
if (data &&
do_mount_root("/dev/root", "nfs", root_mountflags, data) == 0)
return 1;
change_floppy("root floppy");
}
#endif
- create_dev("/dev/root", ROOT_DEV, root_device_name);
+#ifdef CONFIG_BLOCK
+ create_dev("/dev/root", ROOT_DEV);
mount_block_root("/dev/root", root_mountflags);
+#endif
}
/*
{
int is_floppy;
- mount_devfs();
+ if (root_delay) {
+ printk(KERN_INFO "Waiting %dsec before mounting root device...\n",
+ root_delay);
+ ssleep(root_delay);
+ }
+
+ /* wait for the known devices to complete their probing */
+ while (driver_probe_done() != 0)
+ msleep(100);
md_run_setup();
if (saved_root_name[0]) {
root_device_name = saved_root_name;
+ if (!strncmp(root_device_name, "mtd", 3)) {
+ mount_block_root(root_device_name, root_mountflags);
+ goto out;
+ }
ROOT_DEV = name_to_dev_t(root_device_name);
if (strncmp(root_device_name, "/dev/", 5) == 0)
root_device_name += 5;
mount_root();
out:
- umount_devfs("/dev");
sys_mount(".", "/", NULL, MS_MOVE, NULL);
sys_chroot(".");
security_sb_post_mountroot();
- mount_devfs_fs ();
}