From: Christof Schmitt <christof.schmitt@xxxxxxxxxx>
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@xxxxxxxxxx>
---
drivers/s390/scsi/zfcp_scsi.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
--- a/drivers/s390/scsi/zfcp_scsi.c 2010-03-23 10:59:09.000000000 +0100
+++ b/drivers/s390/scsi/zfcp_scsi.c 2010-03-23 11:21:10.000000000 +0100
@@ -174,7 +174,7 @@ static int zfcp_scsi_eh_abort_handler(st
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;
@@ -199,7 +199,9 @@ static int zfcp_scsi_eh_abort_handler(st
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,
@@ -230,7 +232,7 @@ static int zfcp_task_mgmt_function(struc
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--) {
@@ -239,7 +241,10 @@ static int zfcp_task_mgmt_function(struc
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);
@@ -275,10 +280,13 @@ static int zfcp_scsi_eh_host_reset_handl
{
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;
}
--
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