fuse: no need for special dentry_operations for root dentry

->d_revalidate() is never called for root anyway...

Reviewed-by: Christian Brauner <[e-mail]>
Acked-by: Miklos Szeredi <[e-mail]>
Signed-off-by: Al Viro <[e-mail]>

fs/fuse/dir.c

···
 	.d_automount	= fuse_dentry_automount,
 };
 
-const struct dentry_operations fuse_root_dentry_operations = {
-#if BITS_PER_LONG < 64
-	.d_init		= fuse_dentry_init,
-	.d_release	= fuse_dentry_release,
-#endif
-};
-
 int fuse_valid_type(int m)
 {
 	return S_ISREG(m) || S_ISDIR(m) || S_ISLNK(m) || S_ISCHR(m) ||

fs/fuse/fuse_i.h

···
 extern const struct file_operations fuse_dev_operations;
 
 extern const struct dentry_operations fuse_dentry_operations;
-extern const struct dentry_operations fuse_root_dentry_operations;
 
 /**
  * Get a filled in inode

fs/fuse/inode.c

···
 
 	err = -ENOMEM;
 	root = fuse_get_root_inode(sb, ctx->rootmode);
-	sb->s_d_op = &fuse_root_dentry_operations;
+	sb->s_d_op = &fuse_dentry_operations;
 	root_dentry = d_make_root(root);
 	if (!root_dentry)
 		goto err_dev_free;
-	/* Root dentry doesn't have .d_revalidate */
-	sb->s_d_op = &fuse_dentry_operations;
 
 	mutex_lock(&fuse_mutex);
 	err = -EINVAL;