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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>
170 lines
4.3 KiB
C
170 lines
4.3 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Copyright (C) 1996 Mike Shaver (shaver@zeroknowledge.com)
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*/
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#include <linux/mm.h>
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#include <linux/sysctl.h>
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#include <linux/init.h>
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#include <net/ax25.h>
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#include <net/rose.h>
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static int min_timer[] = {1 * HZ};
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static int max_timer[] = {300 * HZ};
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static int min_idle[] = {0 * HZ};
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static int max_idle[] = {65535 * HZ};
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static int min_route[1], max_route[] = {1};
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static int min_ftimer[] = {60 * HZ};
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static int max_ftimer[] = {600 * HZ};
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static int min_maxvcs[] = {1}, max_maxvcs[] = {254};
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static int min_window[] = {1}, max_window[] = {7};
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static struct ctl_table_header *rose_table_header;
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static ctl_table rose_table[] = {
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{
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.ctl_name = NET_ROSE_RESTART_REQUEST_TIMEOUT,
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.procname = "restart_request_timeout",
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.data = &sysctl_rose_restart_request_timeout,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_minmax,
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.strategy = &sysctl_intvec,
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.extra1 = &min_timer,
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.extra2 = &max_timer
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},
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{
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.ctl_name = NET_ROSE_CALL_REQUEST_TIMEOUT,
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.procname = "call_request_timeout",
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.data = &sysctl_rose_call_request_timeout,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_minmax,
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.strategy = &sysctl_intvec,
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.extra1 = &min_timer,
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.extra2 = &max_timer
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},
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{
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.ctl_name = NET_ROSE_RESET_REQUEST_TIMEOUT,
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.procname = "reset_request_timeout",
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.data = &sysctl_rose_reset_request_timeout,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_minmax,
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.strategy = &sysctl_intvec,
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.extra1 = &min_timer,
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.extra2 = &max_timer
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},
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{
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.ctl_name = NET_ROSE_CLEAR_REQUEST_TIMEOUT,
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.procname = "clear_request_timeout",
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.data = &sysctl_rose_clear_request_timeout,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_minmax,
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.strategy = &sysctl_intvec,
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.extra1 = &min_timer,
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.extra2 = &max_timer
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},
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{
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.ctl_name = NET_ROSE_NO_ACTIVITY_TIMEOUT,
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.procname = "no_activity_timeout",
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.data = &sysctl_rose_no_activity_timeout,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_minmax,
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.strategy = &sysctl_intvec,
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.extra1 = &min_idle,
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.extra2 = &max_idle
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},
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{
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.ctl_name = NET_ROSE_ACK_HOLD_BACK_TIMEOUT,
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.procname = "acknowledge_hold_back_timeout",
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.data = &sysctl_rose_ack_hold_back_timeout,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_minmax,
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.strategy = &sysctl_intvec,
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.extra1 = &min_timer,
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.extra2 = &max_timer
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},
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{
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.ctl_name = NET_ROSE_ROUTING_CONTROL,
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.procname = "routing_control",
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.data = &sysctl_rose_routing_control,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_minmax,
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.strategy = &sysctl_intvec,
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.extra1 = &min_route,
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.extra2 = &max_route
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},
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{
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.ctl_name = NET_ROSE_LINK_FAIL_TIMEOUT,
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.procname = "link_fail_timeout",
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.data = &sysctl_rose_link_fail_timeout,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_minmax,
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.strategy = &sysctl_intvec,
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.extra1 = &min_ftimer,
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.extra2 = &max_ftimer
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},
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{
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.ctl_name = NET_ROSE_MAX_VCS,
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.procname = "maximum_virtual_circuits",
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.data = &sysctl_rose_maximum_vcs,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_minmax,
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.strategy = &sysctl_intvec,
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.extra1 = &min_maxvcs,
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.extra2 = &max_maxvcs
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},
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{
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.ctl_name = NET_ROSE_WINDOW_SIZE,
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.procname = "window_size",
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.data = &sysctl_rose_window_size,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_minmax,
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.strategy = &sysctl_intvec,
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.extra1 = &min_window,
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.extra2 = &max_window
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},
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{ .ctl_name = 0 }
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};
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static ctl_table rose_dir_table[] = {
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{
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.ctl_name = NET_ROSE,
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.procname = "rose",
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.mode = 0555,
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.child = rose_table
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},
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{ .ctl_name = 0 }
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};
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static ctl_table rose_root_table[] = {
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{
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.ctl_name = CTL_NET,
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.procname = "net",
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.mode = 0555,
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.child = rose_dir_table
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},
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{ .ctl_name = 0 }
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};
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void __init rose_register_sysctl(void)
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{
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rose_table_header = register_sysctl_table(rose_root_table);
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}
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void rose_unregister_sysctl(void)
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{
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unregister_sysctl_table(rose_table_header);
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}
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