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6d4561110a
For consistency drop & in front of every proc_handler. Explicity taking the address is unnecessary and it prevents optimizations like stubbing the proc_handlers to NULL. Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Joe Perches <joe@perches.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/*
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* Copyright (c) 2006 Oracle. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/sysctl.h>
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#include <linux/proc_fs.h>
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#include "rds.h"
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static struct ctl_table_header *rds_sysctl_reg_table;
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static unsigned long rds_sysctl_reconnect_min = 1;
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static unsigned long rds_sysctl_reconnect_max = ~0UL;
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unsigned long rds_sysctl_reconnect_min_jiffies;
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unsigned long rds_sysctl_reconnect_max_jiffies = HZ;
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unsigned int rds_sysctl_max_unacked_packets = 8;
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unsigned int rds_sysctl_max_unacked_bytes = (16 << 20);
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unsigned int rds_sysctl_ping_enable = 1;
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static ctl_table rds_sysctl_rds_table[] = {
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{
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.procname = "reconnect_min_delay_ms",
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.data = &rds_sysctl_reconnect_min_jiffies,
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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 = &rds_sysctl_reconnect_min,
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.extra2 = &rds_sysctl_reconnect_max_jiffies,
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},
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{
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.procname = "reconnect_max_delay_ms",
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.data = &rds_sysctl_reconnect_max_jiffies,
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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 = &rds_sysctl_reconnect_min_jiffies,
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.extra2 = &rds_sysctl_reconnect_max,
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},
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{
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.procname = "max_unacked_packets",
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.data = &rds_sysctl_max_unacked_packets,
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.maxlen = sizeof(unsigned long),
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.mode = 0644,
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.proc_handler = proc_dointvec,
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},
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{
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.procname = "max_unacked_bytes",
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.data = &rds_sysctl_max_unacked_bytes,
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.maxlen = sizeof(unsigned long),
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.mode = 0644,
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.proc_handler = proc_dointvec,
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},
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{
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.procname = "ping_enable",
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.data = &rds_sysctl_ping_enable,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = proc_dointvec,
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},
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{ }
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};
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static struct ctl_path rds_sysctl_path[] = {
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{ .procname = "net", },
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{ .procname = "rds", },
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{ }
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};
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void rds_sysctl_exit(void)
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{
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if (rds_sysctl_reg_table)
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unregister_sysctl_table(rds_sysctl_reg_table);
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}
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int __init rds_sysctl_init(void)
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{
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rds_sysctl_reconnect_min = msecs_to_jiffies(1);
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rds_sysctl_reconnect_min_jiffies = rds_sysctl_reconnect_min;
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rds_sysctl_reg_table = register_sysctl_paths(rds_sysctl_path, rds_sysctl_rds_table);
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if (rds_sysctl_reg_table == NULL)
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return -ENOMEM;
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return 0;
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}
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