When issuing a host reset we should be waiting for all
ports to become unblocked; just waiting for one might
be resulting in host reset to return too early.
Signed-off-by: Hannes Reinecke <hare@xxxxxxxx>
---
drivers/s390/scsi/zfcp_scsi.c | 27 +++++++++++++++++++++++----
1 file changed, 23 insertions(+), 4 deletions(-)
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 0678cf7..3d18659 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -311,13 +311,32 @@ static int zfcp_scsi_eh_target_reset_handler(struct scsi_cmnd *scpnt)
static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
{
- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device);
- struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
- int ret;
+ struct Scsi_Host *host = scpnt->device->host;
+ struct zfcp_adapter *adapter = (struct zfcp_adapter *)host->hostdata[0];
+ int ret = 0;
+ unsigned long flags;
+ struct zfcp_port *port;
zfcp_erp_adapter_reopen(adapter, 0, "schrh_1");
zfcp_erp_wait(adapter);
- ret = fc_block_scsi_eh(scpnt);
+retry_rport_blocked:
+ spin_lock_irqsave(host->host_lock, flags);
+ list_for_each_entry(port, &adapter->port_list, list) {
+ struct fc_rport *rport = port->rport;
+
+ if (rport->port_state == FC_PORTSTATE_BLOCKED) {
+ if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT)
+ ret = FAST_IO_FAIL;
+ else
+ ret = NEEDS_RETRY;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(host->host_lock, flags);
+ if (ret == NEEDS_RETRY) {
+ msleep(1000);
+ goto retry_rport_blocked;
+ }
if (ret)
return ret;
--
1.8.5.6
