0b4d414714
The semantic effect of insert_at_head is that it would allow new registered sysctl entries to override existing sysctl entries of the same name. Which is pain for caching and the proc interface never implemented. I have done an audit and discovered that none of the current users of register_sysctl care as (excpet for directories) they do not register duplicate sysctl entries. So this patch simply removes the support for overriding existing entries in the sys_sysctl interface since no one uses it or cares and it makes future enhancments harder. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Andi Kleen <ak@muc.de> Cc: Jens Axboe <axboe@kernel.dk> Cc: Corey Minyard <minyard@acm.org> Cc: Neil Brown <neilb@suse.de> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Jan Kara <jack@ucw.cz> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Mark Fasheh <mark.fasheh@oracle.com> Cc: David Chinner <dgc@sgi.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
122 lines
2.6 KiB
C
122 lines
2.6 KiB
C
/* sysctl.c: Rx RPC control
|
|
*
|
|
* Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
|
|
* Written by David Howells (dhowells@redhat.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*/
|
|
|
|
#include <linux/sched.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/module.h>
|
|
#include <linux/sysctl.h>
|
|
#include <rxrpc/types.h>
|
|
#include <rxrpc/rxrpc.h>
|
|
#include <asm/errno.h>
|
|
#include "internal.h"
|
|
|
|
int rxrpc_ktrace;
|
|
int rxrpc_kdebug;
|
|
int rxrpc_kproto;
|
|
int rxrpc_knet;
|
|
|
|
#ifdef CONFIG_SYSCTL
|
|
static struct ctl_table_header *rxrpc_sysctl = NULL;
|
|
|
|
static ctl_table rxrpc_sysctl_table[] = {
|
|
{
|
|
.ctl_name = 1,
|
|
.procname = "kdebug",
|
|
.data = &rxrpc_kdebug,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = &proc_dointvec
|
|
},
|
|
{
|
|
.ctl_name = 2,
|
|
.procname = "ktrace",
|
|
.data = &rxrpc_ktrace,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = &proc_dointvec
|
|
},
|
|
{
|
|
.ctl_name = 3,
|
|
.procname = "kproto",
|
|
.data = &rxrpc_kproto,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = &proc_dointvec
|
|
},
|
|
{
|
|
.ctl_name = 4,
|
|
.procname = "knet",
|
|
.data = &rxrpc_knet,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = &proc_dointvec
|
|
},
|
|
{
|
|
.ctl_name = 5,
|
|
.procname = "peertimo",
|
|
.data = &rxrpc_peer_timeout,
|
|
.maxlen = sizeof(unsigned long),
|
|
.mode = 0644,
|
|
.proc_handler = &proc_doulongvec_minmax
|
|
},
|
|
{
|
|
.ctl_name = 6,
|
|
.procname = "conntimo",
|
|
.data = &rxrpc_conn_timeout,
|
|
.maxlen = sizeof(unsigned long),
|
|
.mode = 0644,
|
|
.proc_handler = &proc_doulongvec_minmax
|
|
},
|
|
{ .ctl_name = 0 }
|
|
};
|
|
|
|
static ctl_table rxrpc_dir_sysctl_table[] = {
|
|
{
|
|
.ctl_name = 1,
|
|
.procname = "rxrpc",
|
|
.maxlen = 0,
|
|
.mode = 0555,
|
|
.child = rxrpc_sysctl_table
|
|
},
|
|
{ .ctl_name = 0 }
|
|
};
|
|
#endif /* CONFIG_SYSCTL */
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* initialise the sysctl stuff for Rx RPC
|
|
*/
|
|
int rxrpc_sysctl_init(void)
|
|
{
|
|
#ifdef CONFIG_SYSCTL
|
|
rxrpc_sysctl = register_sysctl_table(rxrpc_dir_sysctl_table);
|
|
if (!rxrpc_sysctl)
|
|
return -ENOMEM;
|
|
#endif /* CONFIG_SYSCTL */
|
|
|
|
return 0;
|
|
} /* end rxrpc_sysctl_init() */
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* clean up the sysctl stuff for Rx RPC
|
|
*/
|
|
void rxrpc_sysctl_cleanup(void)
|
|
{
|
|
#ifdef CONFIG_SYSCTL
|
|
if (rxrpc_sysctl) {
|
|
unregister_sysctl_table(rxrpc_sysctl);
|
|
rxrpc_sysctl = NULL;
|
|
}
|
|
#endif /* CONFIG_SYSCTL */
|
|
|
|
} /* end rxrpc_sysctl_cleanup() */
|