1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_sysctl.c b/drivers/scsi/scsi_sysctl.c
new file mode 100644
index 000000000..7259704a7
--- /dev/null
+++ b/drivers/scsi/scsi_sysctl.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2003 Christoph Hellwig.
+ */
+
+#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 struct ctl_table scsi_table[] = {
+	{ .procname	= "logging_level",
+	  .data		= &scsi_logging_level,
+	  .maxlen	= sizeof(scsi_logging_level),
+	  .mode		= 0644,
+	  .proc_handler	= proc_dointvec },
+	{ }
+};
+
+static struct ctl_table scsi_dir_table[] = {
+	{ .procname	= "scsi",
+	  .mode		= 0555,
+	  .child	= scsi_table },
+	{ }
+};
+
+static struct 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);
+}