Merge branch 'master' into gfs2

1 files changed, 38 insertions, 54 deletions

diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index 90da7d63b08..85696f34c31 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -669,7 +669,10 @@ mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
 			 * if still doing discovery,
 			 * hang loose a while until finished
 			 */
-			if (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) {
+			if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
+			    (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
+			     (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
+			      == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
 				if (count-- > 0) {
 					msleep(100);
 					goto try_again;
@@ -895,59 +898,45 @@ mptfc_rescan_devices(void *arg)
 {
 	MPT_ADAPTER		*ioc = (MPT_ADAPTER *)arg;
 	int			ii;
-	int			work_to_do;
 	u64			pn;
-	unsigned long		flags;
 	struct mptfc_rport_info *ri;
 
-	do {
-		/* start by tagging all ports as missing */
-		list_for_each_entry(ri, &ioc->fc_rports, list) {
-			if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
-				ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
-			}
+	/* start by tagging all ports as missing */
+	list_for_each_entry(ri, &ioc->fc_rports, list) {
+		if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
+			ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
 		}
+	}
 
-		/*
-		 * now rescan devices known to adapter,
-		 * will reregister existing rports
-		 */
-		for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
-			(void) mptfc_GetFcPortPage0(ioc, ii);
-			mptfc_init_host_attr(ioc,ii);	/* refresh */
-			mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev);
-		}
+	/*
+	 * now rescan devices known to adapter,
+	 * will reregister existing rports
+	 */
+	for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
+		(void) mptfc_GetFcPortPage0(ioc, ii);
+		mptfc_init_host_attr(ioc, ii);	/* refresh */
+		mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev);
+	}
 
-		/* delete devices still missing */
-		list_for_each_entry(ri, &ioc->fc_rports, list) {
-			/* if newly missing, delete it */
-			if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
+	/* delete devices still missing */
+	list_for_each_entry(ri, &ioc->fc_rports, list) {
+		/* if newly missing, delete it */
+		if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
 
-				ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
-					       MPT_RPORT_INFO_FLAGS_MISSING);
-				fc_remote_port_delete(ri->rport);	/* won't sleep */
-				ri->rport = NULL;
+			ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
+				       MPT_RPORT_INFO_FLAGS_MISSING);
+			fc_remote_port_delete(ri->rport);	/* won't sleep */
+			ri->rport = NULL;
 
-				pn = (u64)ri->pg0.WWPN.High << 32 |
-				     (u64)ri->pg0.WWPN.Low;
-				dfcprintk ((MYIOC_s_INFO_FMT
-					"mptfc_rescan.%d: %llx deleted\n",
-					ioc->name,
-					ioc->sh->host_no,
-					(unsigned long long)pn));
-			}
+			pn = (u64)ri->pg0.WWPN.High << 32 |
+			     (u64)ri->pg0.WWPN.Low;
+			dfcprintk ((MYIOC_s_INFO_FMT
+				"mptfc_rescan.%d: %llx deleted\n",
+				ioc->name,
+				ioc->sh->host_no,
+				(unsigned long long)pn));
 		}
-
-		/*
-		 * allow multiple passes as target state
-		 * might have changed during scan
-		 */
-		spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
-		if (ioc->fc_rescan_work_count > 2) 	/* only need one more */
-			ioc->fc_rescan_work_count = 2;
-		work_to_do = --ioc->fc_rescan_work_count;
-		spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
-	} while (work_to_do);
+	}
 }
 
 static int
@@ -1159,7 +1148,6 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	 *	by doing it via the workqueue, some locking is eliminated
 	 */
 
-	ioc->fc_rescan_work_count = 1;
 	queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
 	flush_workqueue(ioc->fc_rescan_work_q);
 
@@ -1202,10 +1190,8 @@ mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 	case MPI_EVENT_RESCAN:
 		spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
 		if (ioc->fc_rescan_work_q) {
-			if (ioc->fc_rescan_work_count++ == 0) {
-				queue_work(ioc->fc_rescan_work_q,
-					   &ioc->fc_rescan_work);
-			}
+			queue_work(ioc->fc_rescan_work_q,
+				   &ioc->fc_rescan_work);
 		}
 		spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
 		break;
@@ -1248,10 +1234,8 @@ mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 		mptfc_SetFcPortPage1_defaults(ioc);
 		spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
 		if (ioc->fc_rescan_work_q) {
-			if (ioc->fc_rescan_work_count++ == 0) {
-				queue_work(ioc->fc_rescan_work_q,
-					   &ioc->fc_rescan_work);
-			}
+			queue_work(ioc->fc_rescan_work_q,
+				   &ioc->fc_rescan_work);
 		}
 		spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
 	}