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authorAndreas Herrmann <aherrman@de.ibm.com>2005-06-13 13:16:27 +0200
committerJames Bottomley <jejb@mulgrave.(none)>2005-06-13 21:28:17 -0500
commit65a8d4e1a3754f0bfaa62949ebe919930e3127a1 (patch)
treed1398c39556ece53c1ba5788d1f585a8673dd28d /drivers/s390/scsi
parent22753fa514aad02342e647ad13048caa282d9238 (diff)
downloadblackbird-op-linux-65a8d4e1a3754f0bfaa62949ebe919930e3127a1.tar.gz
blackbird-op-linux-65a8d4e1a3754f0bfaa62949ebe919930e3127a1.zip
[SCSI] zfcp: fix: reopen port only if link-test fails
From: Maxim Shchetynin <maxim@de.ibm.com> Reopen a remote port only if the link-test fails. This avoids that a port is unnecessarily reopened. Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/s390/scsi')
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 14aaab82dc96..225e3631e8d2 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1267,8 +1267,7 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
debug_text_event(new_fsf_req->adapter->erp_dbf, 1,
"fsf_sq_ltest");
- /* reopening link to port */
- zfcp_erp_port_reopen(unit->port, 0);
+ zfcp_test_link(unit->port);
new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
break;
case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
@@ -3125,7 +3124,7 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
/* Re-establish link to port */
debug_text_event(adapter->erp_dbf, 1,
"fsf_sq_ltest");
- zfcp_erp_port_reopen(unit->port, 0);
+ zfcp_test_link(unit->port);
fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
break;
case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
@@ -3368,7 +3367,7 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req)
/* re-establish link to port */
debug_text_event(fsf_req->adapter->erp_dbf, 1,
"fsf_sq_ltest");
- zfcp_erp_port_reopen(unit->port, 0);
+ zfcp_test_link(unit->port);
fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
break;
case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
@@ -3931,12 +3930,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
/* re-establish link to port */
debug_text_event(fsf_req->adapter->erp_dbf, 1,
"fsf_sq_ltest");
- zfcp_erp_port_reopen(unit->port, 0);
- zfcp_cmd_dbf_event_fsf(
- "sqltest",
- fsf_req,
- &header->fsf_status_qual,
- sizeof (union fsf_status_qual));
+ zfcp_test_link(unit->port);
fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
break;
case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
@@ -3944,11 +3938,6 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
/* let scsi stack deal with retries and escalation */
debug_text_event(fsf_req->adapter->erp_dbf, 1,
"fsf_sq_ulp");
- zfcp_cmd_dbf_event_fsf(
- "sqdeperp",
- fsf_req,
- &header->fsf_status_qual,
- sizeof (union fsf_status_qual));
fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
break;
default:
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