* create_mnt_ns - creates a private namespace and adds a root filesystem
* @mnt: pointer to the new root filesystem mountpoint
*/
-struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt)
+static struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt)
{
struct mnt_namespace *new_ns;
}
return new_ns;
}
-EXPORT_SYMBOL(create_mnt_ns);
SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
char __user *, type, unsigned long, flags, void __user *, data)
static int nfs_follow_remote_path(struct vfsmount *root_mnt,
const char *export_path, struct vfsmount *mnt_target)
{
- struct mnt_namespace *ns_private;
struct nameidata nd;
struct super_block *s;
int ret;
- ns_private = create_mnt_ns(root_mnt);
- ret = PTR_ERR(ns_private);
- if (IS_ERR(ns_private))
- goto out_mntput;
-
ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt,
export_path, LOOKUP_FOLLOW, &nd);
- put_mnt_ns(ns_private);
-
if (ret != 0)
goto out_err;
struct fs_struct;
-extern struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt);
extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
struct fs_struct *);
extern void put_mnt_ns(struct mnt_namespace *ns);