diff options
| author | Andreas Herrmann <aherrman@de.ibm.com> | 2006-05-22 18:25:56 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-05-28 12:50:17 -0400 |
| commit | 338151e066084d92d89f44311e5521ef847a50b9 (patch) | |
| tree | 5783d26710203f2c5b309530334f3dd39ca68dfc /drivers/s390/scsi/zfcp_erp.c | |
| parent | 75bfc2837bbcc329193d51e8b7115184b78beae0 (diff) | |
[SCSI] zfcp: make use of fc_remote_port_delete when target port is unavailable
If zfcp's port erp fails we now call fc_remote_port_delete. This helps
to avoid offlined scsi devices if scsi commands time out due to path
failures. When an adapter erp fails we call fc_remote_port_delete for
all ports on that adapter.
Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/s390/scsi/zfcp_erp.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_erp.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 05c47f6ca924..4682c8b8bd24 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -3241,9 +3241,13 @@ zfcp_erp_action_cleanup(int action, struct zfcp_adapter *adapter, break; case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED: case ZFCP_ERP_ACTION_REOPEN_PORT: + if (atomic_test_mask(ZFCP_STATUS_PORT_NO_WWPN, + &port->status)) { + zfcp_port_put(port); + break; + } + if ((result == ZFCP_ERP_SUCCEEDED) - && !atomic_test_mask(ZFCP_STATUS_PORT_NO_WWPN, - &port->status) && !port->rport) { struct fc_rport_identifiers ids; ids.node_name = port->wwnn; @@ -3264,9 +3268,23 @@ zfcp_erp_action_cleanup(int action, struct zfcp_adapter *adapter, port->supported_classes; } } + if ((result != ZFCP_ERP_SUCCEEDED) && port->rport) { + fc_remote_port_delete(port->rport); + port->rport = NULL; + } zfcp_port_put(port); break; case ZFCP_ERP_ACTION_REOPEN_ADAPTER: + if (result != ZFCP_ERP_SUCCEEDED) { + struct zfcp_port *port; + list_for_each_entry(port, &adapter->port_list_head, list) + if (port->rport && + !atomic_test_mask(ZFCP_STATUS_PORT_WKA, + &port->status)) { + fc_remote_port_delete(port->rport); + port->rport = NULL; + } + } zfcp_adapter_put(adapter); break; default: |