1 files changed, 52 insertions, 17 deletions

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index e65262070749..1221b760f49e 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2383,24 +2383,30 @@ out:
  * @cmd:        scsi command to abort
  *
  * Returns:
- *      SUCCESS / FAILED
+ *      SUCCESS / FAST_IO_FAIL / FAILED
  **/
 static int ibmvfc_eh_abort_handler(struct scsi_cmnd *cmd)
 {
         struct scsi_device *sdev = cmd->device;
         struct ibmvfc_host *vhost = shost_priv(sdev->host);
-        int cancel_rc, abort_rc;
+        int cancel_rc, block_rc, abort_rc = 0;
         int rc = FAILED;
 
         ENTER;
-        fc_block_scsi_eh(cmd);
+        block_rc = fc_block_scsi_eh(cmd);
         ibmvfc_wait_while_resetting(vhost);
-        cancel_rc = ibmvfc_cancel_all(sdev, IBMVFC_TMF_ABORT_TASK_SET);
-        abort_rc = ibmvfc_abort_task_set(sdev);
+        if (block_rc != FAST_IO_FAIL) {
+                cancel_rc = ibmvfc_cancel_all(sdev, IBMVFC_TMF_ABORT_TASK_SET);
+                abort_rc = ibmvfc_abort_task_set(sdev);
+        } else
+                cancel_rc = ibmvfc_cancel_all(sdev, 0);
 
         if (!cancel_rc && !abort_rc)
                 rc = ibmvfc_wait_for_ops(vhost, sdev, ibmvfc_match_lun);
 
+        if (block_rc == FAST_IO_FAIL && rc != FAILED)
+                rc = FAST_IO_FAIL;
+
         LEAVE;
         return rc;
 }
@@ -2410,29 +2416,47 @@ static int ibmvfc_eh_abort_handler(struct scsi_cmnd *cmd)
  * @cmd:        scsi command struct
  *
  * Returns:
- *      SUCCESS / FAILED
+ *      SUCCESS / FAST_IO_FAIL / FAILED
  **/
 static int ibmvfc_eh_device_reset_handler(struct scsi_cmnd *cmd)
 {
         struct scsi_device *sdev = cmd->device;
         struct ibmvfc_host *vhost = shost_priv(sdev->host);
-        int cancel_rc, reset_rc;
+        int cancel_rc, block_rc, reset_rc = 0;
         int rc = FAILED;
 
         ENTER;
-        fc_block_scsi_eh(cmd);
+        block_rc = fc_block_scsi_eh(cmd);
         ibmvfc_wait_while_resetting(vhost);
-        cancel_rc = ibmvfc_cancel_all(sdev, IBMVFC_TMF_LUN_RESET);
-        reset_rc = ibmvfc_reset_device(sdev, IBMVFC_LUN_RESET, "LUN");
+        if (block_rc != FAST_IO_FAIL) {
+                cancel_rc = ibmvfc_cancel_all(sdev, IBMVFC_TMF_LUN_RESET);
+                reset_rc = ibmvfc_reset_device(sdev, IBMVFC_LUN_RESET, "LUN");
+        } else
+                cancel_rc = ibmvfc_cancel_all(sdev, 0);
 
         if (!cancel_rc && !reset_rc)
                 rc = ibmvfc_wait_for_ops(vhost, sdev, ibmvfc_match_lun);
 
+        if (block_rc == FAST_IO_FAIL && rc != FAILED)
+                rc = FAST_IO_FAIL;
+
         LEAVE;
         return rc;
 }
 
 /**
+ * ibmvfc_dev_cancel_all_noreset - Device iterated cancel all function
+ * @sdev:       scsi device struct
+ * @data:       return code
+ *
+ **/
+static void ibmvfc_dev_cancel_all_noreset(struct scsi_device *sdev, void *data)
+{
+        unsigned long *rc = data;
+        *rc |= ibmvfc_cancel_all(sdev, 0);
+}
+
+/**
  * ibmvfc_dev_cancel_all_reset - Device iterated cancel all function
  * @sdev:       scsi device struct
  * @data:       return code
@@ -2449,26 +2473,33 @@ static void ibmvfc_dev_cancel_all_reset(struct scsi_device *sdev, void *data)
  * @cmd:        scsi command struct
  *
  * Returns:
- *      SUCCESS / FAILED
+ *      SUCCESS / FAST_IO_FAIL / FAILED
  **/
 static int ibmvfc_eh_target_reset_handler(struct scsi_cmnd *cmd)
 {
         struct scsi_device *sdev = cmd->device;
         struct ibmvfc_host *vhost = shost_priv(sdev->host);
         struct scsi_target *starget = scsi_target(sdev);
-        int reset_rc;
+        int block_rc;
+        int reset_rc = 0;
         int rc = FAILED;
         unsigned long cancel_rc = 0;
 
         ENTER;
-        fc_block_scsi_eh(cmd);
+        block_rc = fc_block_scsi_eh(cmd);
         ibmvfc_wait_while_resetting(vhost);
-        starget_for_each_device(starget, &cancel_rc, ibmvfc_dev_cancel_all_reset);
-        reset_rc = ibmvfc_reset_device(sdev, IBMVFC_TARGET_RESET, "target");
+        if (block_rc != FAST_IO_FAIL) {
+                starget_for_each_device(starget, &cancel_rc, ibmvfc_dev_cancel_all_reset);
+                reset_rc = ibmvfc_reset_device(sdev, IBMVFC_TARGET_RESET, "target");
+        } else
+                starget_for_each_device(starget, &cancel_rc, ibmvfc_dev_cancel_all_noreset);
 
         if (!cancel_rc && !reset_rc)
                 rc = ibmvfc_wait_for_ops(vhost, starget, ibmvfc_match_target);
 
+        if (block_rc == FAST_IO_FAIL && rc != FAILED)
+                rc = FAST_IO_FAIL;
+
         LEAVE;
         return rc;
 }
@@ -2480,12 +2511,16 @@ static int ibmvfc_eh_target_reset_handler(struct scsi_cmnd *cmd)
  **/
 static int ibmvfc_eh_host_reset_handler(struct scsi_cmnd *cmd)
 {
-        int rc;
+        int rc, block_rc;
         struct ibmvfc_host *vhost = shost_priv(cmd->device->host);
 
-        fc_block_scsi_eh(cmd);
+        block_rc = fc_block_scsi_eh(cmd);
         dev_err(vhost->dev, "Resetting connection due to error recovery\n");
         rc = ibmvfc_issue_fc_host_lip(vhost->host);
+
+        if (block_rc == FAST_IO_FAIL)
+                return FAST_IO_FAIL;
+
         return rc ? FAILED : SUCCESS;
 }