[PATCH] s390/scsi/zfcp_erp: Convert to use the kthread API

[Eric W. Biederman]

From: Eric W. Biederman <[EMAIL PROTECTED]>

Modify zfcperp%s to be started with kthread_run not
a combination of kernel_thread, daemonize and siginitsetinv
making the code slightly simpler and more maintainable.

Cc: Swen Schillig <[EMAIL PROTECTED]>
Signed-off-by: Eric W. Biederman <[EMAIL PROTECTED]>
---
 drivers/s390/scsi/zfcp_erp.c |   13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 66c0b09..f26536d 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -21,6 +21,7 @@
 
 #define ZFCP_LOG_AREA                  ZFCP_LOG_AREA_ERP
 
+#include <linux/kthread.h>
 #include "zfcp_ext.h"
 
 static int zfcp_erp_adisc(struct zfcp_port *);
@@ -985,12 +986,13 @@ static void zfcp_erp_action_dismiss(struct 
zfcp_erp_action *erp_action)
 int
 zfcp_erp_thread_setup(struct zfcp_adapter *adapter)
 {
-       int retval = 0;
+       struct task_struct *task;
 
        atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
 
-       retval = kernel_thread(zfcp_erp_thread, adapter, SIGCHLD);
-       if (retval < 0) {
+       task = kthread_run(zfcp_erp_thread, adapter,
+                          "zfcperp%s", zfcp_get_busid_by_adapter(adapter));
+       if (IS_ERR(task)) {
                ZFCP_LOG_NORMAL("error: creation of erp thread failed for "
                                "adapter %s\n",
                                zfcp_get_busid_by_adapter(adapter));
@@ -1002,7 +1004,7 @@ zfcp_erp_thread_setup(struct zfcp_adapter *adapter)
                debug_text_event(adapter->erp_dbf, 5, "a_thset_ok");
        }
 
-       return (retval < 0);
+       return IS_ERR(task);
 }
 
 /*
@@ -1054,9 +1056,6 @@ zfcp_erp_thread(void *data)
        struct zfcp_erp_action *erp_action;
        unsigned long flags;
 
-       daemonize("zfcperp%s", zfcp_get_busid_by_adapter(adapter));
-       /* Block all signals */
-       siginitsetinv(&current->blocked, 0);
        atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
        debug_text_event(adapter->erp_dbf, 5, "a_th_run");
        wake_up(&adapter->erp_thread_wqh);
-- 
1.5.0.g53756

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