[SCSI] ibmvfc: Add support for fc_block_scsi_eh

Adds support for fc_block_scsi_eh to block the EH handlers if
the target device is in the blocked state to ensure we don't
take devices offline.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index d6fcb3f..bd96cec 100644 (file)
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2311,6 +2311,7 @@ static int ibmvfc_eh_abort_handler(struct scsi_cmnd *cmd)
        int rc = FAILED;
 
        ENTER;
+       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);
@@ -2337,6 +2338,7 @@ static int ibmvfc_eh_device_reset_handler(struct scsi_cmnd *cmd)
        int rc = FAILED;
 
        ENTER;
+       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");
@@ -2401,6 +2403,7 @@ static int ibmvfc_eh_target_reset_handler(struct scsi_cmnd *cmd)
        unsigned long cancel_rc = 0;
 
        ENTER;
+       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");
@@ -2422,6 +2425,7 @@ static int ibmvfc_eh_host_reset_handler(struct scsi_cmnd *cmd)
        int rc;
        struct ibmvfc_host *vhost = shost_priv(cmd->device->host);
 
+       fc_block_scsi_eh(cmd);
        dev_err(vhost->dev, "Resetting connection due to error recovery\n");
        rc = ibmvfc_issue_fc_host_lip(vhost->host);
        return rc ? FAILED : SUCCESS;