/* * sysctl.c - System control stuff * * Copyright (C) 1997 Martin von L鰓is * Copyright (C) 1997 R間is Duchesne */#include "sysctl.h"#ifdef DEBUG#include <linux/locks.h>#include <linux/sysctl.h>int ntdebug = 0;/* Add or remove the debug sysctl * Is this really the only file system with sysctls ? */void ntfs_sysctl(int add){#define FS_NTFS             1	/* Definition of the sysctl */	static ctl_table ntfs_sysctls[]={		{FS_NTFS,                  /* ID */		 "ntfs-debug",             /* name in /proc */		 &ntdebug,sizeof(ntdebug), /* data ptr, data size */		 0644,                     /* mode */		 0,                        /* child */		 proc_dointvec,            /* proc handler */		 0,                        /* strategy */		 0,                        /* proc control block */		 0,0},                     /* extra */		{0}	};	/* Define the parent file : /proc/sys/fs */	static ctl_table sysctls_root[]={		{CTL_FS,		 "fs",		 NULL,0,		 0555,		 ntfs_sysctls},		{0}	};	static struct ctl_table_header *sysctls_root_header = NULL;	if(add){		if(!sysctls_root_header)			sysctls_root_header = register_sysctl_table(sysctls_root, 0);	} else if(sysctls_root_header) {		unregister_sysctl_table(sysctls_root_header);		sysctls_root_header = NULL;	}}#endif /* DEBUG */