mnt_get_count
count = mnt_get_count(mnt);
if (mnt_get_count(p) > (p == mnt ? 2 : 1)) {
if (!list_empty(&mnt->mnt_mounts) || mnt_get_count(mnt) != 2) {
return mnt_get_count(mnt) > count;
int mnt_get_count(struct mount *mnt);