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From: Kip Macy <kmacy@FreeBSD.org>
Date: Fri, 4 May 2012 18:57:45 +0000 (UTC)
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Subject: svn commit: r235030 - projects/iscsi_opt/sys/dev/iscsi/initiator
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Author: kmacy
Date: Fri May  4 18:57:45 2012
New Revision: 235030
URL: http://svn.freebsd.org/changeset/base/235030

Log:
  unfreeze queue without running scheduler if freeze count > 0

Modified:
  projects/iscsi_opt/sys/dev/iscsi/initiator/isc_sm.c

Modified: projects/iscsi_opt/sys/dev/iscsi/initiator/isc_sm.c
==============================================================================
--- projects/iscsi_opt/sys/dev/iscsi/initiator/isc_sm.c	Fri May  4 18:54:51 2012	(r235029)
+++ projects/iscsi_opt/sys/dev/iscsi/initiator/isc_sm.c	Fri May  4 18:57:45 2012	(r235030)
@@ -367,12 +367,16 @@ isc_so_snd_upcall(struct socket *so, voi
 	if (sp->cam_sim->devq->send_queue.qfrozen_cnt[0] != 1) {
 
 
-		if (sp->cam_sim->devq->send_queue.qfrozen_cnt[0] != 0) 
+		if (sp->cam_sim->devq->send_queue.qfrozen_cnt[0] != 0)  
 			printf("qfrozen_cnt went to bad value %d\n",
 			    sp->cam_sim->devq->send_queue.qfrozen_cnt[0]);
+		if (sp->cam_sim->devq->send_queue.qfrozen_cnt[0] <  0)  
+		  sp->cam_sim->devq->send_queue.qfrozen_cnt[0] = 0;
 	}
 	sp->cam_flags |= ISC_QUNFREEZE;
-	
+	sp->cam_flags &= ~ISC_QFROZEN;
+	if (sp->cam_sim->devq->send_queue.qfrozen_cnt[0] > 0)  
+	  xpt_release_simq(sp->cam_sim, 0);
 	mtx_lock(&sp->io_mtx);
 	if (sp->flags & ISC_OWAITING)
 	  wakeup(&sp->flags);