struct mount *m;
struct mnt_namespace *ns;
struct path root;
- struct file_system_type *type;
- type = get_fs_type("rootfs");
- if (!type)
- panic("Can't find rootfs type");
- mnt = vfs_kern_mount(type, 0, "rootfs", NULL);
- put_filesystem(type);
+ mnt = vfs_kern_mount(&rootfs_fs_type, 0, "rootfs", NULL);
if (IS_ERR(mnt))
panic("Can't create rootfs");
/* Used for contructor calls. */
typedef void (*ctor_fn_t)(void);
+struct file_system_type;
+
/* Defined in init/main.c */
extern int do_one_initcall(initcall_t fn);
extern char __initdata boot_command_line[];
void setup_arch(char **);
void prepare_namespace(void);
int __init init_rootfs(void);
+extern struct file_system_type rootfs_fs_type;
#if defined(CONFIG_STRICT_KERNEL_RWX) || defined(CONFIG_STRICT_MODULE_RWX)
extern bool rodata_enabled;
static struct dentry *rootfs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
- static unsigned long once;
void *fill = ramfs_fill_super;
- if (test_and_set_bit(0, &once))
- return ERR_PTR(-ENODEV);
-
if (IS_ENABLED(CONFIG_TMPFS) && is_tmpfs)
fill = shmem_fill_super;
return mount_nodev(fs_type, flags, data, fill);
}
-static struct file_system_type rootfs_fs_type = {
+struct file_system_type rootfs_fs_type = {
.name = "rootfs",
.mount = rootfs_mount,
.kill_sb = kill_litter_super,
int __init init_rootfs(void)
{
- int err = register_filesystem(&rootfs_fs_type);
-
- if (err)
- return err;
+ int err = 0;
if (IS_ENABLED(CONFIG_TMPFS) && !saved_root_name[0] &&
(!root_fs_names || strstr(root_fs_names, "tmpfs"))) {
err = shmem_init();
is_tmpfs = true;
}
-
- if (err)
- unregister_filesystem(&rootfs_fs_type);
-
return err;
}