aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/s390/scsi/zfcp_fc.c
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-05-23 15:57:31 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-05-23 15:57:31 -0400
commita2ab67fae1ab9226679495a8d260f4e6555efc5f (patch)
treef7de683c9c8ff0869a7e11f1d40802145d05f5b4 /drivers/s390/scsi/zfcp_fc.c
parent6d0485a99366d4e0e7e725f14995c74cb7ca4499 (diff)
parent135cad366b4e7d6a79f6369f6cb5b721985aa62f (diff)
Merge branch 'for-rmk-devel' of git://git.pengutronix.de/git/imx/linux-2.6 into devel
Conflicts: arch/arm/Kconfig arch/arm/Makefile
Diffstat (limited to 'drivers/s390/scsi/zfcp_fc.c')
-rw-r--r--drivers/s390/scsi/zfcp_fc.c33
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index e8d032b9dfbd..19ae0842047c 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -98,13 +98,6 @@ static void zfcp_wka_port_offline(struct work_struct *work)
98 struct zfcp_wka_port *wka_port = 98 struct zfcp_wka_port *wka_port =
99 container_of(dw, struct zfcp_wka_port, work); 99 container_of(dw, struct zfcp_wka_port, work);
100 100
101 /* Don't wait forvever. If the wka_port is too busy take it offline
102 through a new call later */
103 if (!wait_event_timeout(wka_port->completion_wq,
104 atomic_read(&wka_port->refcount) == 0,
105 HZ >> 1))
106 return;
107
108 mutex_lock(&wka_port->mutex); 101 mutex_lock(&wka_port->mutex);
109 if ((atomic_read(&wka_port->refcount) != 0) || 102 if ((atomic_read(&wka_port->refcount) != 0) ||
110 (wka_port->status != ZFCP_WKA_PORT_ONLINE)) 103 (wka_port->status != ZFCP_WKA_PORT_ONLINE))
@@ -142,6 +135,14 @@ void zfcp_fc_nameserver_init(struct zfcp_adapter *adapter)
142 INIT_DELAYED_WORK(&wka_port->work, zfcp_wka_port_offline); 135 INIT_DELAYED_WORK(&wka_port->work, zfcp_wka_port_offline);
143} 136}
144 137
138void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka)
139{
140 cancel_delayed_work_sync(&wka->work);
141 mutex_lock(&wka->mutex);
142 wka->status = ZFCP_WKA_PORT_OFFLINE;
143 mutex_unlock(&wka->mutex);
144}
145
145static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, 146static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,
146 struct fcp_rscn_element *elem) 147 struct fcp_rscn_element *elem)
147{ 148{
@@ -372,7 +373,8 @@ static void zfcp_fc_adisc_handler(unsigned long data)
372 373
373 if (adisc->els.status) { 374 if (adisc->els.status) {
374 /* request rejected or timed out */ 375 /* request rejected or timed out */
375 zfcp_erp_port_forced_reopen(port, 0, "fcadh_1", NULL); 376 zfcp_erp_port_forced_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
377 "fcadh_1", NULL);
376 goto out; 378 goto out;
377 } 379 }
378 380
@@ -431,11 +433,6 @@ void zfcp_fc_link_test_work(struct work_struct *work)
431 container_of(work, struct zfcp_port, test_link_work); 433 container_of(work, struct zfcp_port, test_link_work);
432 int retval; 434 int retval;
433 435
434 if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_UNBLOCKED)) {
435 zfcp_port_put(port);
436 return; /* port erp is running and will update rport status */
437 }
438
439 zfcp_port_get(port); 436 zfcp_port_get(port);
440 port->rport_task = RPORT_DEL; 437 port->rport_task = RPORT_DEL;
441 zfcp_scsi_rport_work(&port->rport_work); 438 zfcp_scsi_rport_work(&port->rport_work);
@@ -542,6 +539,9 @@ static void zfcp_validate_port(struct zfcp_port *port)
542{ 539{
543 struct zfcp_adapter *adapter = port->adapter; 540 struct zfcp_adapter *adapter = port->adapter;
544 541
542 if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_NOESC))
543 return;
544
545 atomic_clear_mask(ZFCP_STATUS_COMMON_NOESC, &port->status); 545 atomic_clear_mask(ZFCP_STATUS_COMMON_NOESC, &port->status);
546 546
547 if ((port->supported_classes != 0) || 547 if ((port->supported_classes != 0) ||
@@ -602,10 +602,8 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries)
602 if (acc->wwpn == fc_host_port_name(adapter->scsi_host)) 602 if (acc->wwpn == fc_host_port_name(adapter->scsi_host))
603 continue; 603 continue;
604 port = zfcp_get_port_by_wwpn(adapter, acc->wwpn); 604 port = zfcp_get_port_by_wwpn(adapter, acc->wwpn);
605 if (port) { 605 if (port)
606 zfcp_port_get(port);
607 continue; 606 continue;
608 }
609 607
610 port = zfcp_port_enqueue(adapter, acc->wwpn, 608 port = zfcp_port_enqueue(adapter, acc->wwpn,
611 ZFCP_STATUS_COMMON_NOESC, d_id); 609 ZFCP_STATUS_COMMON_NOESC, d_id);
@@ -637,7 +635,8 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
637 max_entries = chain ? ZFCP_GPN_FT_MAX_ENTRIES : ZFCP_GPN_FT_ENTRIES; 635 max_entries = chain ? ZFCP_GPN_FT_MAX_ENTRIES : ZFCP_GPN_FT_ENTRIES;
638 max_bytes = chain ? ZFCP_GPN_FT_MAX_SIZE : ZFCP_CT_SIZE_ONE_PAGE; 636 max_bytes = chain ? ZFCP_GPN_FT_MAX_SIZE : ZFCP_CT_SIZE_ONE_PAGE;
639 637
640 if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT) 638 if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT &&
639 fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV)
641 return 0; 640 return 0;
642 641
643 ret = zfcp_wka_port_get(&adapter->nsp); 642 ret = zfcp_wka_port_get(&adapter->nsp);