RACCT_WRITEIOPS
racct_add_force(curproc, RACCT_WRITEIOPS, 1);
rctl_throttle_decay(p->p_racct, RACCT_WRITEIOPS);
[RACCT_WRITEIOPS] =
racct_add_locked(curproc, RACCT_WRITEIOPS, 1, 1);
rctl_throttle_decay(racct, RACCT_WRITEIOPS);
{ "writeiops", RACCT_WRITEIOPS },
#define RACCT_MAX RACCT_WRITEIOPS
racct_add_force(curproc, RACCT_WRITEIOPS, 1);