| kern_shutdown.c (52128) | kern_shutdown.c (53023) |
|---|---|
| 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 52128 1999-10-11 15:19:12Z peter $ | 39 * $FreeBSD: head/sys/kern/kern_shutdown.c 53023 1999-11-08 19:36:45Z phk $ |
| 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 } 216 if (nbusy == 0) 217 break; 218 printf("%d ", nbusy); 219 sync(&proc0, NULL); 220 DELAY(50000 * iter); 221 } | 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 } 216 if (nbusy == 0) 217 break; 218 printf("%d ", nbusy); 219 sync(&proc0, NULL); 220 DELAY(50000 * iter); 221 } |
| 222 printf("\n"); |
|
| 222 /* 223 * Count only busy local buffers to prevent forcing 224 * a fsck if we're just a client of a wedged NFS server 225 */ 226 nbusy = 0; 227 for (bp = &buf[nbuf]; --bp >= buf; ) { 228 if (((bp->b_flags&B_INVAL) == 0 && BUF_REFCNT(bp)) || 229 ((bp->b_flags & (B_DELWRI|B_INVAL)) == B_DELWRI)) { | 223 /* 224 * Count only busy local buffers to prevent forcing 225 * a fsck if we're just a client of a wedged NFS server 226 */ 227 nbusy = 0; 228 for (bp = &buf[nbuf]; --bp >= buf; ) { 229 if (((bp->b_flags&B_INVAL) == 0 && BUF_REFCNT(bp)) || 230 ((bp->b_flags & (B_DELWRI|B_INVAL)) == B_DELWRI)) { |
| 230 if (bp->b_dev == NODEV) | 231 if (bp->b_dev == NODEV) { |
| 231 CIRCLEQ_REMOVE(&mountlist, 232 bp->b_vp->v_mount, mnt_list); | 232 CIRCLEQ_REMOVE(&mountlist, 233 bp->b_vp->v_mount, mnt_list); |
| 233 else 234 nbusy++; | 234 continue; 235 } 236 nbusy++; 237#if defined(SHOW_BUSYBUFS) || defined(DIAGNOSTIC) 238 printf( 239 "%d: dev:%s, flags:%08lx, blkno:%ld, lblkno:%ld\n", 240 nbusy, devtoname(bp->b_dev), 241 bp->b_flags, (long)bp->b_blkno, 242 (long)bp->b_lblkno); 243#endif |
| 235 } | 244 } |
| 236 237 | |
| 238 } 239 if (nbusy) { 240 /* 241 * Failed to sync all blocks. Indicate this and don't 242 * unmount filesystems (thus forcing an fsck on reboot). 243 */ | 245 } 246 if (nbusy) { 247 /* 248 * Failed to sync all blocks. Indicate this and don't 249 * unmount filesystems (thus forcing an fsck on reboot). 250 */ |
| 244 printf("giving up\n"); 245#ifdef SHOW_BUSYBUFS 246 nbusy = 0; 247 for (bp = &buf[nbuf]; --bp >= buf; ) { 248 if ((bp->b_flags & B_INVAL) == 0 && 249 BUF_REFCNT(bp) > 0) { 250 nbusy++; 251 printf( 252 "%d: dev:%s, flags:%08lx, blkno:%ld, lblkno:%ld\n", 253 nbusy, devtoname(bp->b_dev), 254 bp->b_flags, (long)bp->b_blkno, 255 (long)bp->b_lblkno); 256 } 257 } | 251 printf("giving up on %d buffers\n", nbusy); |
| 258 DELAY(5000000); /* 5 seconds */ | 252 DELAY(5000000); /* 5 seconds */ |
| 259#endif | |
| 260 } else { 261 printf("done\n"); 262 /* 263 * Unmount filesystems 264 */ 265 if (panicstr == 0) 266 vfs_unmountall(); 267 } --- 279 unchanged lines hidden --- | 253 } else { 254 printf("done\n"); 255 /* 256 * Unmount filesystems 257 */ 258 if (panicstr == 0) 259 vfs_unmountall(); 260 } --- 279 unchanged lines hidden --- |