提交 b98478d7 编写于 作者: C Christof Schmitt 提交者: James Bottomley

[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: NChristof Schmitt <christof.schmitt@de.ibm.com>
Acked-by: NFelix Beck <felix@linux.vnet.ibm.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
上级 e0d7fcb5
master alk-4.19.24 alk-4.19.30 alk-4.19.34 alk-4.19.36 alk-4.19.43 alk-4.19.48 alk-4.19.57 ck-4.19.67 ck-4.19.81 ck-4.19.91 github/fork/deepanshu1422/fix-typo-in-comment github/fork/haosdent/fix-typo linux-next v4.19.91 v4.19.90 v4.19.89 v4.19.88 v4.19.87 v4.19.86 v4.19.85 v4.19.84 v4.19.83 v4.19.82 v4.19.81 v4.19.80 v4.19.79 v4.19.78 v4.19.77 v4.19.76 v4.19.75 v4.19.74 v4.19.73 v4.19.72 v4.19.71 v4.19.70 v4.19.69 v4.19.68 v4.19.67 v4.19.66 v4.19.65 v4.19.64 v4.19.63 v4.19.62 v4.19.61 v4.19.60 v4.19.59 v4.19.58 v4.19.57 v4.19.56 v4.19.55 v4.19.54 v4.19.53 v4.19.52 v4.19.51 v4.19.50 v4.19.49 v4.19.48 v4.19.47 v4.19.46 v4.19.45 v4.19.44 v4.19.43 v4.19.42 v4.19.41 v4.19.40 v4.19.39 v4.19.38 v4.19.37 v4.19.36 v4.19.35 v4.19.34 v4.19.33 v4.19.32 v4.19.31 v4.19.30 v4.19.29 v4.19.28 v4.19.27 v4.19.26 v4.19.25 v4.19.24 v4.19.23 v4.19.22 v4.19.21 v4.19.20 v4.19.19 v4.19.18 v4.19.17 v4.19.16 v4.19.15 v4.19.14 v4.19.13 v4.19.12 v4.19.11 v4.19.10 v4.19.9 v4.19.8 v4.19.7 v4.19.6 v4.19.5 v4.19.4 v4.19.3 v4.19.2 v4.19.1 v4.19 v4.19-rc8 v4.19-rc7 v4.19-rc6 v4.19-rc5 v4.19-rc4 v4.19-rc3 v4.19-rc2 v4.19-rc1 ck-release-21 ck-release-20 ck-release-19.2 ck-release-19.1 ck-release-19 ck-release-18 ck-release-17.2 ck-release-17.1 ck-release-17 ck-release-16 ck-release-15.1 ck-release-15 ck-release-14 ck-release-13.2 ck-release-13 ck-release-12 ck-release-11 ck-release-10 ck-release-9 ck-release-7 alk-release-15 alk-release-14 alk-release-13.2 alk-release-13 alk-release-12 alk-release-11 alk-release-10 alk-release-9 alk-release-7
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......@@ -244,7 +244,6 @@ struct zfcp_ls_adisc {
/* remote port status */
#define ZFCP_STATUS_PORT_PHYS_OPEN 0x00000001
#define ZFCP_STATUS_PORT_DID_DID 0x00000002
#define ZFCP_STATUS_PORT_PHYS_CLOSING 0x00000004
#define ZFCP_STATUS_PORT_NO_WWPN 0x00000008
#define ZFCP_STATUS_PORT_INVALID_WWPN 0x00000020
......
......@@ -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;
......
......@@ -265,7 +265,6 @@ static void zfcp_fc_ns_gid_pn_eval(unsigned long data)
return;
/* looks like a valid d_id */
port->d_id = ct_iu_resp->d_id & ZFCP_DID_MASK;
atomic_set_mask(ZFCP_STATUS_PORT_DID_DID, &port->status);
}
int static zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action,
......@@ -588,7 +587,6 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft)
}
port = zfcp_port_enqueue(adapter, acc->wwpn,
ZFCP_STATUS_PORT_DID_DID |
ZFCP_STATUS_COMMON_NOESC, d_id);
if (IS_ERR(port))
ret = PTR_ERR(port);
......
......@@ -1442,8 +1442,7 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
plogi = (struct fsf_plogi *) req->qtcb->bottom.support.els;
if (req->qtcb->bottom.support.els1_length >= sizeof(*plogi)) {
if (plogi->serv_param.wwpn != port->wwpn)
atomic_clear_mask(ZFCP_STATUS_PORT_DID_DID,
&port->status);
port->d_id = 0;
else {
port->wwnn = plogi->serv_param.wwnn;
zfcp_fc_plogi_evaluate(port, plogi);
......
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