| kern_shutdown.c (65557) | kern_shutdown.c (65707) |
|---|---|
| 1/*- 2 * Copyright (c) 1986, 1988, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94 | 1/*- 2 * Copyright (c) 1986, 1988, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94 |
| 39 * $FreeBSD: head/sys/kern/kern_shutdown.c 65557 2000-09-07 01:33:02Z jasone $ | 39 * $FreeBSD: head/sys/kern/kern_shutdown.c 65707 2000-09-10 23:06:50Z jasone $ |
| 40 */ 41 42#include "opt_ddb.h" 43#include "opt_hw_wdog.h" 44#include "opt_panic.h" 45#include "opt_show_busybufs.h" 46 47#include <sys/param.h> --- 166 unchanged lines hidden (view full) --- 214 */ 215 EVENTHANDLER_INVOKE(shutdown_pre_sync, howto); 216 217 /* 218 * Now sync filesystems 219 */ 220 if (!cold && (howto & RB_NOSYNC) == 0 && waittime < 0) { 221 register struct buf *bp; | 40 */ 41 42#include "opt_ddb.h" 43#include "opt_hw_wdog.h" 44#include "opt_panic.h" 45#include "opt_show_busybufs.h" 46 47#include <sys/param.h> --- 166 unchanged lines hidden (view full) --- 214 */ 215 EVENTHANDLER_INVOKE(shutdown_pre_sync, howto); 216 217 /* 218 * Now sync filesystems 219 */ 220 if (!cold && (howto & RB_NOSYNC) == 0 && waittime < 0) { 221 register struct buf *bp; |
| 222 int iter, nbusy; | 222 int iter, nbusy, pbusy; 223 int subiter; |
| 223 224 waittime = 0; 225 printf("\nsyncing disks... "); 226 227 sync(&proc0, NULL); 228 229 /* 230 * With soft updates, some buffers that are 231 * written will be remarked as dirty until other 232 * buffers are written. 233 */ | 224 225 waittime = 0; 226 printf("\nsyncing disks... "); 227 228 sync(&proc0, NULL); 229 230 /* 231 * With soft updates, some buffers that are 232 * written will be remarked as dirty until other 233 * buffers are written. 234 */ |
| 234 for (iter = 0; iter < 20; iter++) { | 235 for (iter = pbusy = 0; iter < 20; iter++) { |
| 235 nbusy = 0; 236 for (bp = &buf[nbuf]; --bp >= buf; ) { 237 if ((bp->b_flags & B_INVAL) == 0 && 238 BUF_REFCNT(bp) > 0) { 239 nbusy++; 240 } else if ((bp->b_flags & (B_DELWRI | B_INVAL)) 241 == B_DELWRI) { 242 /* bawrite(bp);*/ 243 nbusy++; 244 } 245 } 246 if (nbusy == 0) 247 break; 248 printf("%d ", nbusy); | 236 nbusy = 0; 237 for (bp = &buf[nbuf]; --bp >= buf; ) { 238 if ((bp->b_flags & B_INVAL) == 0 && 239 BUF_REFCNT(bp) > 0) { 240 nbusy++; 241 } else if ((bp->b_flags & (B_DELWRI | B_INVAL)) 242 == B_DELWRI) { 243 /* bawrite(bp);*/ 244 nbusy++; 245 } 246 } 247 if (nbusy == 0) 248 break; 249 printf("%d ", nbusy); |
| 250 if (nbusy < pbusy) 251 iter = 0; 252 pbusy = nbusy; |
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| 249 sync(&proc0, NULL); | 253 sync(&proc0, NULL); |
| 254 if (curproc != NULL) { 255 for (subiter = 0; subiter < 50 * iter; subiter++) { 256 mtx_enter(&sched_lock, MTX_SPIN); 257 setrunqueue(curproc); 258 mi_switch(); /* Allow interrupt threads to run */ 259 mtx_exit(&sched_lock, MTX_SPIN); 260 DELAY(1000); 261 } 262 } else |
|
| 250 DELAY(50000 * iter); 251 } 252 printf("\n"); 253 /* 254 * Count only busy local buffers to prevent forcing 255 * a fsck if we're just a client of a wedged NFS server 256 */ 257 nbusy = 0; --- 349 unchanged lines hidden --- | 263 DELAY(50000 * iter); 264 } 265 printf("\n"); 266 /* 267 * Count only busy local buffers to prevent forcing 268 * a fsck if we're just a client of a wedged NFS server 269 */ 270 nbusy = 0; --- 349 unchanged lines hidden --- |