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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455// SPDX-License-Identifier: GPL-2.0-or-later/* * Code for sysctl handling in NTFS Linux kernel driver. * * Copyright (C) 1997 Martin von Löwis, Régis Duchesne * Copyright (c) 2002-2005 Anton Altaparmakov */
#ifdef DEBUG
#include <linux/module.h>
#ifdef CONFIG_SYSCTL
#include <linux/proc_fs.h>#include <linux/sysctl.h>
#include "sysctl.h"#include "debug.h"
/* Definition of the ntfs sysctl. */static const struct ctl_table ntfs_sysctls[] = { { .procname = "ntfs-debug", .data = &debug_msgs, /* Data pointer and size. */ .maxlen = sizeof(debug_msgs), .mode = 0644, /* Mode, proc handler. */ .proc_handler = proc_dointvec },};
/* Storage for the sysctls header. */static struct ctl_table_header *sysctls_root_table;
/* * ntfs_sysctl - add or remove the debug sysctl * @add: add (1) or remove (0) the sysctl * * Add or remove the debug sysctl. Return 0 on success or -errno on error. */int ntfs_sysctl(int add){ if (add) { sysctls_root_table = register_sysctl("fs/ntfs", ntfs_sysctls); if (!sysctls_root_table) return -ENOMEM; } else { unregister_sysctl_table(sysctls_root_table); sysctls_root_table = NULL; } return 0;}#endif /* CONFIG_SYSCTL */#endif /* DEBUG */