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path: root/drivers/s390/scsi/zfcp_aux.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_aux.c')
-rw-r--r--drivers/s390/scsi/zfcp_aux.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index de62329..f785cbc 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -176,8 +176,6 @@ static int __init zfcp_module_init(void)
if (!zfcp_data.gid_pn_cache)
goto out_gid_cache;
- zfcp_data.work_queue = create_singlethread_workqueue("zfcp_wq");
-
sema_init(&zfcp_data.config_sema, 1);
rwlock_init(&zfcp_data.config_lock);
@@ -458,6 +456,27 @@ static void zfcp_print_sl(struct seq_file *m, struct service_level *sl)
adapter->fsf_lic_version);
}
+static int zfcp_setup_adapter_work_queue(struct zfcp_adapter *adapter)
+{
+ char name[TASK_COMM_LEN];
+
+ snprintf(name, sizeof(name), "zfcp_q_%s",
+ dev_name(&adapter->ccw_device->dev));
+ adapter->work_queue = create_singlethread_workqueue(name);
+
+ if (adapter->work_queue)
+ return 0;
+ return -ENOMEM;
+}
+
+static void zfcp_destroy_adapter_work_queue(struct zfcp_adapter *adapter)
+{
+ if (adapter->work_queue)
+ destroy_workqueue(adapter->work_queue);
+ adapter->work_queue = NULL;
+
+}
+
/**
* zfcp_adapter_enqueue - enqueue a new adapter to the list
* @ccw_device: pointer to the struct cc_device
@@ -504,6 +523,9 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
if (zfcp_adapter_debug_register(adapter))
goto debug_register_failed;
+ if (zfcp_setup_adapter_work_queue(adapter))
+ goto work_queue_failed;
+
init_waitqueue_head(&adapter->remove_wq);
init_waitqueue_head(&adapter->erp_thread_wqh);
init_waitqueue_head(&adapter->erp_done_wqh);
@@ -543,6 +565,8 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
return 0;
sysfs_failed:
+ zfcp_destroy_adapter_work_queue(adapter);
+work_queue_failed:
zfcp_adapter_debug_unregister(adapter);
debug_register_failed:
dev_set_drvdata(&ccw_device->dev, NULL);
@@ -579,6 +603,7 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
if (!retval)
return;
+ zfcp_destroy_adapter_work_queue(adapter);
zfcp_adapter_debug_unregister(adapter);
zfcp_qdio_free(adapter);
zfcp_free_low_mem_buffers(adapter);
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