zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/scsi/scsi_sysctl.c b/ap/os/linux/linux-3.4.x/drivers/scsi/scsi_sysctl.c
new file mode 100644
index 0000000..2b6b93f
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/scsi/scsi_sysctl.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2003 Christoph Hellwig.
+ * Released under GPL v2.
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sysctl.h>
+
+#include "scsi_logging.h"
+#include "scsi_priv.h"
+
+
+static ctl_table scsi_table[] = {
+ { .procname = "logging_level",
+ .data = &scsi_logging_level,
+ .maxlen = sizeof(scsi_logging_level),
+ .mode = 0644,
+ .proc_handler = proc_dointvec },
+ { }
+};
+
+static ctl_table scsi_dir_table[] = {
+ { .procname = "scsi",
+ .mode = 0555,
+ .child = scsi_table },
+ { }
+};
+
+static ctl_table scsi_root_table[] = {
+ { .procname = "dev",
+ .mode = 0555,
+ .child = scsi_dir_table },
+ { }
+};
+
+static struct ctl_table_header *scsi_table_header;
+
+int __init scsi_init_sysctl(void)
+{
+ scsi_table_header = register_sysctl_table(scsi_root_table);
+ if (!scsi_table_header)
+ return -ENOMEM;
+ return 0;
+}
+
+void scsi_exit_sysctl(void)
+{
+ unregister_sysctl_table(scsi_table_header);
+}