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authorChristof Schmitt <christof.schmitt@de.ibm.com>2008-12-19 15:56:59 (GMT)
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-12-29 17:38:28 (GMT)
commitb98478d71b0fea6d35f96069612d92b76013589f (patch)
tree777baa61dd1017d086e8a4dd3b3b9079a1116f39 /drivers/s390/scsi/zfcp_erp.c
parente0d7fcb5ecad495a54f7334e410f5e16e1da7f78 (diff)
downloadlinux-b98478d71b0fea6d35f96069612d92b76013589f.tar.xz
[SCSI] zfcp: remove DID_DID flag
The port flag DID_DID indicates whether we know the current id of the port. This is always set in parallel. Since the id 0 is invalid (because the port id 0 is invalid) we can remove the DID_DID flag: d_id of 0 indicates an invalid d_id != 0 is a valid one. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Acked-by: Felix Beck <felix@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/s390/scsi/zfcp_erp.c')
-rw-r--r--drivers/s390/scsi/zfcp_erp.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 495a4a3..387a3af 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -840,7 +840,6 @@ static int zfcp_erp_open_ptp_port(struct zfcp_erp_action *act)
return ZFCP_ERP_FAILED;
}
port->d_id = adapter->peer_d_id;
- atomic_set_mask(ZFCP_STATUS_PORT_DID_DID, &port->status);
return zfcp_erp_port_strategy_open_port(act);
}
@@ -871,12 +870,12 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
case ZFCP_ERP_STEP_PORT_CLOSING:
if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP)
return zfcp_erp_open_ptp_port(act);
- if (!(p_status & ZFCP_STATUS_PORT_DID_DID)) {
+ if (!port->d_id) {
queue_work(zfcp_data.work_queue, &port->gid_pn_work);
return ZFCP_ERP_CONTINUES;
}
case ZFCP_ERP_STEP_NAMESERVER_LOOKUP:
- if (!(p_status & ZFCP_STATUS_PORT_DID_DID)) {
+ if (!port->d_id) {
if (p_status & (ZFCP_STATUS_PORT_INVALID_WWPN)) {
zfcp_erp_port_failed(port, 26, NULL);
return ZFCP_ERP_EXIT;
@@ -888,7 +887,7 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
case ZFCP_ERP_STEP_PORT_OPENING:
/* D_ID might have changed during open */
if (p_status & ZFCP_STATUS_COMMON_OPEN) {
- if (p_status & ZFCP_STATUS_PORT_DID_DID)
+ if (port->d_id)
return ZFCP_ERP_SUCCEEDED;
else {
act->step = ZFCP_ERP_STEP_PORT_CLOSING;