add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/net/rxrpc/sysctl.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /* sysctls for configuring RxRPC operating parameters
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  *
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  * Copyright (C) 2014 Red Hat, Inc. All Rights Reserved.
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  * Written by David Howells (dhowells@redhat.com)
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public Licence
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- * as published by the Free Software Foundation; either version
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- * 2 of the Licence, or (at your option) any later version.
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  */
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 #include <linux/sysctl.h>
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@@ -15,9 +11,8 @@
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 #include "ar-internal.h"
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 static struct ctl_table_header *rxrpc_sysctl_reg_table;
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-static const unsigned int one = 1;
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 static const unsigned int four = 4;
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-static const unsigned int thirtytwo = 32;
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+static const unsigned int max_backlog = RXRPC_BACKLOG_MAX - 1;
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 static const unsigned int n_65535 = 65535;
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 static const unsigned int n_max_acks = RXRPC_RXTX_BUFF_SIZE - 1;
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 static const unsigned long one_jiffy = 1;
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@@ -26,7 +21,7 @@
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 /*
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  * RxRPC operating parameters.
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  *
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- * See Documentation/networking/rxrpc.txt and the variable definitions for more
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+ * See Documentation/networking/rxrpc.rst and the variable definitions for more
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  * information on the individual parameters.
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  */
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 static struct ctl_table rxrpc_sysctl_table[] = {
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@@ -76,33 +71,16 @@
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 		.extra1		= (void *)&one_jiffy,
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 		.extra2		= (void *)&max_jiffies,
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 	},
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-	{
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-		.procname	= "resend_timeout",
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-		.data		= &rxrpc_resend_timeout,
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-		.maxlen		= sizeof(unsigned long),
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-		.mode		= 0644,
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-		.proc_handler	= proc_doulongvec_ms_jiffies_minmax,
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-		.extra1		= (void *)&one_jiffy,
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-		.extra2		= (void *)&max_jiffies,
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-	},
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 	/* Non-time values */
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-	{
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-		.procname	= "max_client_conns",
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-		.data		= &rxrpc_max_client_connections,
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-		.maxlen		= sizeof(unsigned int),
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-		.mode		= 0644,
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-		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= (void *)&rxrpc_reap_client_connections,
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-	},
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 	{
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 		.procname	= "reap_client_conns",
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 		.data		= &rxrpc_reap_client_connections,
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 		.maxlen		= sizeof(unsigned int),
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= (void *)&one,
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-		.extra2		= (void *)&rxrpc_max_client_connections,
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+		.extra1		= (void *)SYSCTL_ONE,
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+		.extra2		= (void *)&n_65535,
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 	},
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 	{
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 		.procname	= "max_backlog",
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@@ -111,7 +89,7 @@
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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 		.extra1		= (void *)&four,
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-		.extra2		= (void *)&thirtytwo,
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+		.extra2		= (void *)&max_backlog,
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 	},
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 	{
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 		.procname	= "rx_window_size",
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@@ -119,7 +97,7 @@
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 		.maxlen		= sizeof(unsigned int),
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= (void *)&one,
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+		.extra1		= (void *)SYSCTL_ONE,
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 		.extra2		= (void *)&n_max_acks,
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 	},
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 	{
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@@ -128,7 +106,7 @@
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 		.maxlen		= sizeof(unsigned int),
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= (void *)&one,
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+		.extra1		= (void *)SYSCTL_ONE,
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 		.extra2		= (void *)&n_65535,
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 	},
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 	{
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@@ -137,7 +115,7 @@
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 		.maxlen		= sizeof(unsigned int),
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= (void *)&one,
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+		.extra1		= (void *)SYSCTL_ONE,
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 		.extra2		= (void *)&four,
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 	},
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