FF_LOGPASS
flag &= ~(FF_LOGPASS|FF_LOGNOMATCH|FF_LOGBLOCK);
flag |= FF_LOGPASS;
if (flags & FF_LOGPASS) {
if (frf & FF_LOGPASS)
(FR_ISPASS(pass) && (ifs->ifs_fr_flags & FF_LOGPASS))) {
pass |= FF_LOGPASS;
#define FF_LOGGING (FF_LOGPASS|FF_LOGBLOCK|FF_LOGNOMATCH)