mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 10:40:15 +02:00
9d5b947535
This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel elements ctl_table struct. Special attention was placed in making sure that an empty directory for fs/verity was created when CONFIG_FS_VERITY_BUILTIN_SIGNATURES is not defined. In this case we use the register sysctl call that expects a size. Signed-off-by: Joel Granados <j.granados@samsung.com> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: "Darrick J. Wong" <djwong@kernel.org> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* linux/fs/nfs/nfs4sysctl.c
|
|
*
|
|
* Sysctl interface to NFS v4 parameters
|
|
*
|
|
* Copyright (c) 2006 Trond Myklebust <Trond.Myklebust@netapp.com>
|
|
*/
|
|
#include <linux/sysctl.h>
|
|
#include <linux/nfs_fs.h>
|
|
|
|
#include "nfs4_fs.h"
|
|
#include "nfs4idmap.h"
|
|
#include "callback.h"
|
|
|
|
static const int nfs_set_port_min;
|
|
static const int nfs_set_port_max = 65535;
|
|
static struct ctl_table_header *nfs4_callback_sysctl_table;
|
|
|
|
static struct ctl_table nfs4_cb_sysctls[] = {
|
|
{
|
|
.procname = "nfs_callback_tcpport",
|
|
.data = &nfs_callback_set_tcpport,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = (int *)&nfs_set_port_min,
|
|
.extra2 = (int *)&nfs_set_port_max,
|
|
},
|
|
{
|
|
.procname = "idmap_cache_timeout",
|
|
.data = &nfs_idmap_cache_timeout,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec,
|
|
},
|
|
};
|
|
|
|
int nfs4_register_sysctl(void)
|
|
{
|
|
nfs4_callback_sysctl_table = register_sysctl("fs/nfs",
|
|
nfs4_cb_sysctls);
|
|
if (nfs4_callback_sysctl_table == NULL)
|
|
return -ENOMEM;
|
|
return 0;
|
|
}
|
|
|
|
void nfs4_unregister_sysctl(void)
|
|
{
|
|
unregister_sysctl_table(nfs4_callback_sysctl_table);
|
|
nfs4_callback_sysctl_table = NULL;
|
|
}
|