fsnotify_inode_watches_children
if (!fsnotify_inode_watches_children(pinode))
p_mask = fsnotify_inode_watches_children(p_inode);
p_mask |= fsnotify_inode_watches_children(d_inode(parent));
return fsnotify_inode_watches_children(fsnotify_conn_inode(conn));
if (fsnotify_inode_watches_children(dentry->d_parent->d_inode))