init_link(): turn into a trivial wrapper for do_linkat()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/init.c b/fs/init.c
index 27e149a4e8ce12edf93d038bb46e5b24dd87701b..da6500d2ee98d86c6c4849725ad516af5b56b6fe 100644 (file)
--- a/fs/init.c
+++ b/fs/init.c
@@ -145,37 +145,8 @@ int __init init_mknod(const char *filename, umode_t mode, unsigned int dev)
 
 int __init init_link(const char *oldname, const char *newname)
 {
-       struct dentry *new_dentry;
-       struct path old_path, new_path;
-       struct mnt_idmap *idmap;
-       int error;
-
-       error = kern_path(oldname, 0, &old_path);
-       if (error)
-               return error;
-
-       new_dentry = start_creating_path(AT_FDCWD, newname, &new_path, 0);
-       error = PTR_ERR(new_dentry);
-       if (IS_ERR(new_dentry))
-               goto out;
-
-       error = -EXDEV;
-       if (old_path.mnt != new_path.mnt)
-               goto out_dput;
-       idmap = mnt_idmap(new_path.mnt);
-       error = may_linkat(idmap, &old_path);
-       if (unlikely(error))
-               goto out_dput;
-       error = security_path_link(old_path.dentry, &new_path, new_dentry);
-       if (error)
-               goto out_dput;
-       error = vfs_link(old_path.dentry, idmap, new_path.dentry->d_inode,
-                        new_dentry, NULL);
-out_dput:
-       end_creating_path(&new_path, new_dentry);
-out:
-       path_put(&old_path);
-       return error;
+       return do_linkat(AT_FDCWD, getname_kernel(oldname),
+                        AT_FDCWD, getname_kernel(newname), 0);
 }
 
 int __init init_symlink(const char *oldname, const char *newname)