[SCSI] zfcp: Pass return code from fc_block_scsi_eh to scsi eh
The return code FAST_IO_FAIL from fc_block_scsi_eh indicates that the
pending I/O requests have been terminated as a result of the
fast_io_fail_tmo. Pass this return code back to the scsi eh to stop
the scsi eh in this case.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 174b6d5..d13eb9a 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -175,7 +175,7 @@
struct zfcp_fsf_req *old_req, *abrt_req;
unsigned long flags;
unsigned long old_reqid = (unsigned long) scpnt->host_scribble;
- int retval = SUCCESS;
+ int retval = SUCCESS, ret;
int retry = 3;
char *dbf_tag;
@@ -200,7 +200,9 @@
break;
zfcp_erp_wait(adapter);
- fc_block_scsi_eh(scpnt);
+ ret = fc_block_scsi_eh(scpnt);
+ if (ret)
+ return ret;
if (!(atomic_read(&adapter->status) &
ZFCP_STATUS_COMMON_RUNNING)) {
zfcp_dbf_scsi_abort("nres", adapter->dbf, scpnt, NULL,
@@ -231,7 +233,7 @@
struct zfcp_unit *unit = scpnt->device->hostdata;
struct zfcp_adapter *adapter = unit->port->adapter;
struct zfcp_fsf_req *fsf_req = NULL;
- int retval = SUCCESS;
+ int retval = SUCCESS, ret;
int retry = 3;
while (retry--) {
@@ -240,7 +242,10 @@
break;
zfcp_erp_wait(adapter);
- fc_block_scsi_eh(scpnt);
+ ret = fc_block_scsi_eh(scpnt);
+ if (ret)
+ return ret;
+
if (!(atomic_read(&adapter->status) &
ZFCP_STATUS_COMMON_RUNNING)) {
zfcp_dbf_scsi_devreset("nres", tm_flags, unit, scpnt);
@@ -276,10 +281,13 @@
{
struct zfcp_unit *unit = scpnt->device->hostdata;
struct zfcp_adapter *adapter = unit->port->adapter;
+ int ret;
zfcp_erp_adapter_reopen(adapter, 0, "schrh_1", scpnt);
zfcp_erp_wait(adapter);
- fc_block_scsi_eh(scpnt);
+ ret = fc_block_scsi_eh(scpnt);
+ if (ret)
+ return ret;
return SUCCESS;
}