| vfs_bio.c (10228) | vfs_bio.c (10358) |
|---|---|
| 1/* 2 * Copyright (c) 1994 John S. Dyson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 4 unchanged lines hidden (view full) --- 13 * documentation and/or other materials provided with the distribution. 14 * 3. Absolutely no warranty of function or purpose is made by the author 15 * John S. Dyson. 16 * 4. This work was done expressly for inclusion into FreeBSD. Other use 17 * is allowed if this notation is included. 18 * 5. Modifications may be freely made to this file if the above conditions 19 * are met. 20 * | 1/* 2 * Copyright (c) 1994 John S. Dyson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 4 unchanged lines hidden (view full) --- 13 * documentation and/or other materials provided with the distribution. 14 * 3. Absolutely no warranty of function or purpose is made by the author 15 * John S. Dyson. 16 * 4. This work was done expressly for inclusion into FreeBSD. Other use 17 * is allowed if this notation is included. 18 * 5. Modifications may be freely made to this file if the above conditions 19 * are met. 20 * |
| 21 * $Id: vfs_bio.c,v 1.58 1995/08/24 13:28:16 davidg Exp $ | 21 * $Id: vfs_bio.c,v 1.59 1995/08/24 13:59:14 davidg Exp $ |
| 22 */ 23 24/* 25 * this file contains a new buffer I/O scheme implementing a coherent 26 * VM object and buffer cache scheme. Pains have been taken to make 27 * sure that the performance degradation associated with schemes such 28 * as this is not realized. 29 * --- 16 unchanged lines hidden (view full) --- 46#include <sys/buf.h> 47#include <sys/mount.h> 48#include <sys/malloc.h> 49#include <sys/resourcevar.h> 50#include <sys/proc.h> 51 52#include <miscfs/specfs/specdev.h> 53 | 22 */ 23 24/* 25 * this file contains a new buffer I/O scheme implementing a coherent 26 * VM object and buffer cache scheme. Pains have been taken to make 27 * sure that the performance degradation associated with schemes such 28 * as this is not realized. 29 * --- 16 unchanged lines hidden (view full) --- 46#include <sys/buf.h> 47#include <sys/mount.h> 48#include <sys/malloc.h> 49#include <sys/resourcevar.h> 50#include <sys/proc.h> 51 52#include <miscfs/specfs/specdev.h> 53 |
| 54/* 55 * System initialization 56 */ 57 58static void vfs_update __P((void)); 59struct proc *updateproc; 60 61static struct kproc_desc up_kp = { 62 "update", 63 vfs_update, 64 &updateproc 65}; 66SYSINIT_KT(update, SI_SUB_KTHREAD_UPDATE, SI_ORDER_FIRST, kproc_start, (caddr_t)&up_kp) 67 68 |
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| 54struct buf *buf; /* buffer header pool */ 55struct swqueue bswlist; 56 57void vm_hold_free_pages(struct buf * bp, vm_offset_t from, vm_offset_t to); 58void vm_hold_load_pages(struct buf * bp, vm_offset_t from, vm_offset_t to); 59void vfs_clean_pages(struct buf * bp); 60static void vfs_setdirty(struct buf *bp); 61 --- 1203 unchanged lines hidden (view full) --- 1265 bp != NULL; 1266 bp = bp->b_freelist.tqe_next) 1267 count++; 1268 return (count); 1269} 1270 1271int vfs_update_interval = 30; 1272 | 69struct buf *buf; /* buffer header pool */ 70struct swqueue bswlist; 71 72void vm_hold_free_pages(struct buf * bp, vm_offset_t from, vm_offset_t to); 73void vm_hold_load_pages(struct buf * bp, vm_offset_t from, vm_offset_t to); 74void vfs_clean_pages(struct buf * bp); 75static void vfs_setdirty(struct buf *bp); 76 --- 1203 unchanged lines hidden (view full) --- 1280 bp != NULL; 1281 bp = bp->b_freelist.tqe_next) 1282 count++; 1283 return (count); 1284} 1285 1286int vfs_update_interval = 30; 1287 |
| 1273void | 1288static void |
| 1274vfs_update() 1275{ | 1289vfs_update() 1290{ |
| 1276 (void) spl0(); | 1291 (void) spl0(); /* XXX redundant? wrong place?*/ |
| 1277 while (1) { 1278 tsleep(&vfs_update_wakeup, PRIBIO, "update", 1279 hz * vfs_update_interval); 1280 vfs_update_wakeup = 0; 1281 sync(curproc, NULL, NULL); 1282 } 1283} 1284 --- 202 unchanged lines hidden --- | 1292 while (1) { 1293 tsleep(&vfs_update_wakeup, PRIBIO, "update", 1294 hz * vfs_update_interval); 1295 vfs_update_wakeup = 0; 1296 sync(curproc, NULL, NULL); 1297 } 1298} 1299 --- 202 unchanged lines hidden --- |