vftomi
#define CODA_MOUNTED(vfsp) ((vftomi(vfsp) != (struct coda_mntinfo *)0) \
&& (vftomi(vfsp)->mi_started))
vftomi(vfsp)->mi_started = 1;
struct coda_mntinfo *mi = vftomi(vfsp);
struct coda_mntinfo *mi = vftomi(vfsp);
error = venus_root(vftomi(vfsp), l->l_cred, l->l_proc, &VFid);
error = venus_statfs(vftomi(vfsp), l->l_cred, l, &fsstat);
error = venus_fhtovp(vftomi(vfsp), &cfid->cfid_fid, l->l_cred, l->l_proc, &VFid, &vtype);
struct coda_mntinfo *mi = vftomi((*vpp)->v_mount);