Method remove_cap

src/client/Client.cc:4844–4881

}

void Client::remove_cap(Cap *cap, bool queue_release)
{
  auto &in = cap->inode;
  MetaSession *session = cap->session;
  mds_rank_t mds = cap->session->mds_num;

  ldout(cct, 10) << __func__ << " mds." << mds << " on " << in << dendl;
  
  if (queue_release) {
    session->enqueue_cap_release(
      in.ino,
      cap->cap_id,
      cap->issue_seq,
      cap->mseq,
      cap_epoch_barrier);
  } else {
    dec_pinned_icaps();
  }


  if (in.auth_cap == cap) {
    if (in.flushing_cap_item.is_on_list()) {
      ldout(cct, 10) << " removing myself from flushing_cap list" << dendl;
      in.flushing_cap_item.remove_myself();
    }
    in.auth_cap = NULL;
  }
  size_t n = in.caps.erase(mds);
  ceph_assert(n == 1);
  cap = nullptr;

  if (!in.is_any_caps()) {
    ldout(cct, 15) << __func__ << " last one, closing snaprealm " << in.snaprealm << dendl;
    in.snaprealm_item.remove_myself();
    put_snap_realm(in.snaprealm);
    in.snaprealm = 0;
  }
}

void Client::remove_all_caps(Inode *in)
{