I've been involved in committees where they found it more helpful that the subcommittee roll into the full committee. It may be worth a bit of discussion that sometimes, as we need to, we put it into the regular time allocated for the meetings just to save us meetings about meetings. It's open for discussion.
Evidence of meeting #1 for Status of Women in the 43rd Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was motions.
A recording is available from Parliament.