common/os/strsubr.c

1732 	struct stdata *stpdown;
1790 	if (((stpdown = fpdown->f_vnode->v_stream) == NULL) ||
1791 	    (stpdown == stp) || (stpdown->sd_flag &
1793 	    ((stpdown->sd_vnode->v_type != VFIFO) &&
1794 	    (getmajor(stpdown->sd_vnode->v_rdev) >= ss->ss_devcnt)) ||
1795 	    linkcycle(stp, stpdown, ss)) {
1801 	    TR_STPDOWN, "stpdown:%p", stpdown);
1806 	linkp = alloclink(rq, stpdown->sd_wrq, fpdown);
1845 	mutex_enter(&stpdown->sd_lock);
1846 	stpdown->sd_flag |= STRPLUMB;
1847 	mutex_exit(&stpdown->sd_lock);
1852 	passq = link_addpassthru(stpdown);
1854 	mutex_enter(&stpdown->sd_lock);
1855 	stpdown->sd_flag |= STPLEX;
1856 	mutex_exit(&stpdown->sd_lock);
1858 	rq = _RD(stpdown->sd_wrq);
1910 		rq->q_ptr = _WR(rq)->q_ptr = stpdown;
1914 		mutex_enter(&stpdown->sd_lock);
1915 		stpdown->sd_flag &= ~STPLEX;
1916 		mutex_exit(&stpdown->sd_lock);
1920 		mutex_enter(&stpdown->sd_lock);
1921 		stpdown->sd_flag &= ~STRPLUMB;
1923 		cv_broadcast(&stpdown->sd_monitor);
1924 		mutex_exit(&stpdown->sd_lock);
1948 	mux_addedge(stp, stpdown, linkp->li_lblk.l_index, ss);
1964 	mutex_enter(&stpdown->sd_lock);
1966 	stpdown->sd_flag &= ~STRPLUMB;
1969 	cv_broadcast(&stpdown->sd_monitor);
1970 	mutex_exit(&stpdown->sd_lock);
2013 	struct stdata *stpdown;
2022 	stpdown = linkp->li_fpdown->f_vnode->v_stream;
2027 	mutex_enter(&stpdown->sd_lock);
2028 	stpdown->sd_flag |= STRPLUMB;
2029 	mutex_exit(&stpdown->sd_lock);
2035 	passq = link_addpassthru(stpdown);
2059 			mutex_enter(&stpdown->sd_lock);
2060 			stpdown->sd_flag &= ~STRPLUMB;
2061 			cv_broadcast(&stpdown->sd_monitor);
2062 			mutex_exit(&stpdown->sd_lock);
2083 	wrq = stpdown->sd_wrq;
2209 	rq->q_ptr = wrq->q_ptr = stpdown;
2222 	mutex_enter(&stpdown->sd_lock);
2223 	stpdown->sd_flag &= ~STPLEX;
2224 	mutex_exit(&stpdown->sd_lock);
2242 	mutex_enter(&stpdown->sd_lock);
2243 	stpdown->sd_flag &= ~STRPLUMB;
2244 	cv_broadcast(&stpdown->sd_monitor);
2245 	mutex_exit(&stpdown->sd_lock);
7836 link_addpassthru(stdata_t *stpdown)
7842 	STREAM(passq) = STREAM(_WR(passq)) = stpdown;
7858 	sqlist_insert(&sqlist, _RD(stpdown->sd_wrq)->q_syncq);
7859 	strlock(stpdown, &sqlist);
7860 	strunlock(stpdown, &sqlist);