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Code Issues Releases Activity

Run-time configuration of VFS update interval. Old UPDATE_INTERVAL

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configuration option is no longer supported.
This commit is contained in:
Garrett Wollman 1994-08-08 15:41:08 +00:00
parent ebe06549fd
commit 57034e7407
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=1952
3 changed files with 20 additions and 8 deletions
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16
sys/kern/kern_sysctl.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94
* $Id: kern_sysctl.c,v 1.3 1994/08/02 07:42:19 davidg Exp $
* $Id: kern_sysctl.c,v 1.4 1994/08/08 00:30:03 wollman Exp $
*/
/*
@ -180,6 +180,8 @@ char domainname[MAXHOSTNAMELEN];
int domainnamelen;
long hostid;
int securelevel;
extern int vfs_update_wakeup;
extern int vfs_update_interval;
/*
* kernel related system variables.
@ -216,6 +218,18 @@ kern_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
return (sysctl_int(oldp, oldlenp, newp, newlen, &maxproc));
case KERN_MAXFILES:
return (sysctl_int(oldp, oldlenp, newp, newlen, &maxfiles));
case KERN_UPDATEINTERVAL:
/*
* NB: this simple-minded approach only works because
* `tsleep' takes a timeout argument of 0 as meaning
* `no timeout'.
*/
error = sysctl_int(oldp, oldlenp, newp, newlen,
&vfs_update_interval);
if(!error) {
wakeup(&vfs_update_wakeup);
}
return error;
case KERN_ARGMAX:
return (sysctl_rdint(oldp, oldlenp, newp, ARG_MAX));
case KERN_SECURELVL:

6
sys/kern/vfs_bio.c
View File

@ -16,7 +16,7 @@
* 4. Modifications may be freely made to this file if the above conditions
* are met.
*
* $Id: vfs_bio.c,v 1.6 1994/08/06 09:15:28 davidg Exp $
* $Id: vfs_bio.c,v 1.7 1994/08/07 14:53:20 davidg Exp $
*/
#include <sys/param.h>
@ -646,11 +646,7 @@ count_lock_queue()
return(count);
}
#ifndef UPDATE_INTERVAL
int vfs_update_interval = 30;
#else
int vfs_update_interval = UPDATE_INTERVAL;
#endif
void
vfs_update() {

6
sys/sys/sysctl.h
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)sysctl.h 8.1 (Berkeley) 6/2/93
* $Id: sysctl.h,v 1.2 1994/08/02 07:53:41 davidg Exp $
* $Id: sysctl.h,v 1.3 1994/08/08 00:30:12 wollman Exp $
*/
#ifndef _SYS_SYSCTL_H_
@ -129,7 +129,8 @@ struct ctlname {
#define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */
#define KERN_BOOTTIME 21 /* struct: time kernel was booted */
#define KERN_DOMAINNAME 22 /* string: YP domain name */
#define KERN_MAXID 23 /* number of valid kern ids */
#define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */
#define KERN_MAXID 24 /* number of valid kern ids */
#define CTL_KERN_NAMES { \
{ 0, 0 }, \
@ -155,6 +156,7 @@ struct ctlname {
{ "saved_ids", CTLTYPE_INT }, \
{ "boottime", CTLTYPE_STRUCT }, \
{ "domainname", CTLTYPE_STRING }, \
{ "update", CTLTYPE_INT }, \
}
/*