VFS: normal filesystems (and lustre): d_inode() annotations

that's the bulk of filesystem drivers dealing with inodes of their own

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index 9ac3846..a608ffd 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -56,11 +56,11 @@
 		 * This again causes shrink_dcache_for_umount_subtree() to
 		 * Oops, since the test for IS_ROOT() will fail.
 		 */
-		spin_lock(&sb->s_root->d_inode->i_lock);
+		spin_lock(&d_inode(sb->s_root)->i_lock);
 		spin_lock(&sb->s_root->d_lock);
 		hlist_del_init(&sb->s_root->d_u.d_alias);
 		spin_unlock(&sb->s_root->d_lock);
-		spin_unlock(&sb->s_root->d_inode->i_lock);
+		spin_unlock(&d_inode(sb->s_root)->i_lock);
 	}
 	return 0;
 }