VFS_SYNC
VFS_SYNC(mp, MNT_NOWAIT, l->l_cred);
error = VFS_SYNC(sc->sc_mount, MNT_WAIT, curlwp->l_cred);
error = VFS_SYNC(mp, MNT_WAIT, l->l_cred);
error = VFS_SYNC(mp, MNT_LAZY, curlwp->l_cred);
VFS_SYNC(mp, MNT_NOWAIT, l->l_cred);
return VFS_SYNC(mp, wait ? MNT_WAIT : MNT_NOWAIT, cred);
int VFS_SYNC(struct mount *, int, struct kauth_cred *);
error = VFS_SYNC(vp->v_mount, MNT_WAIT, curlwp->l_cred);
if ((error = VFS_SYNC(mp, MNT_WAIT, l->l_cred)) != 0)