| kern_shutdown.c (144929) | kern_shutdown.c (149875) |
|---|---|
| 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. --- 21 unchanged lines hidden (view full) --- 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94 35 */ 36 37#include <sys/cdefs.h> | 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. --- 21 unchanged lines hidden (view full) --- 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94 35 */ 36 37#include <sys/cdefs.h> |
| 38__FBSDID("$FreeBSD: head/sys/kern/kern_shutdown.c 144929 2005-04-12 05:45:58Z jeff $"); | 38__FBSDID("$FreeBSD: head/sys/kern/kern_shutdown.c 149875 2005-09-08 06:30:05Z truckman $"); |
| 39 40#include "opt_kdb.h" 41#include "opt_mac.h" 42#include "opt_panic.h" 43#include "opt_show_busybufs.h" 44#include "opt_sched.h" 45 46#include <sys/param.h> --- 184 unchanged lines hidden (view full) --- 231 } 232 233 savectx(&dumppcb); 234 dumptid = curthread->td_tid; 235 dumping++; 236 dumpsys(&dumper); 237} 238 | 39 40#include "opt_kdb.h" 41#include "opt_mac.h" 42#include "opt_panic.h" 43#include "opt_show_busybufs.h" 44#include "opt_sched.h" 45 46#include <sys/param.h> --- 184 unchanged lines hidden (view full) --- 231 } 232 233 savectx(&dumppcb); 234 dumptid = curthread->td_tid; 235 dumping++; 236 dumpsys(&dumper); 237} 238 |
| 239static int 240isbufbusy(struct buf *bp) 241{ 242 if (((bp->b_flags & (B_INVAL | B_PERSISTENT)) == 0 && 243 BUF_REFCNT(bp) > 0) || 244 ((bp->b_flags & (B_DELWRI | B_INVAL)) == B_DELWRI)) 245 return (1); 246 return (0); 247} 248 |
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| 239/* 240 * Shutdown the system cleanly to prepare for reboot, halt, or power off. 241 */ 242static void 243boot(int howto) 244{ 245 static int first_buf_printf = 1; 246 --- 36 unchanged lines hidden (view full) --- 283 284 /* 285 * With soft updates, some buffers that are 286 * written will be remarked as dirty until other 287 * buffers are written. 288 */ 289 for (iter = pbusy = 0; iter < 20; iter++) { 290 nbusy = 0; | 249/* 250 * Shutdown the system cleanly to prepare for reboot, halt, or power off. 251 */ 252static void 253boot(int howto) 254{ 255 static int first_buf_printf = 1; 256 --- 36 unchanged lines hidden (view full) --- 293 294 /* 295 * With soft updates, some buffers that are 296 * written will be remarked as dirty until other 297 * buffers are written. 298 */ 299 for (iter = pbusy = 0; iter < 20; iter++) { 300 nbusy = 0; |
| 291 for (bp = &buf[nbuf]; --bp >= buf; ) { 292 if ((bp->b_flags & B_INVAL) == 0 && 293 BUF_REFCNT(bp) > 0) { | 301 for (bp = &buf[nbuf]; --bp >= buf; ) 302 if (isbufbusy(bp)) |
| 294 nbusy++; | 303 nbusy++; |
| 295 } else if ((bp->b_flags & (B_DELWRI | B_INVAL)) 296 == B_DELWRI) { 297 /* bawrite(bp);*/ 298 nbusy++; 299 } 300 } | |
| 301 if (nbusy == 0) { 302 if (first_buf_printf) 303 printf("All buffers synced."); 304 break; 305 } 306 if (first_buf_printf) { 307 printf("Syncing disks, buffers remaining... "); 308 first_buf_printf = 0; --- 29 unchanged lines hidden (view full) --- 338 } 339 printf("\n"); 340 /* 341 * Count only busy local buffers to prevent forcing 342 * a fsck if we're just a client of a wedged NFS server 343 */ 344 nbusy = 0; 345 for (bp = &buf[nbuf]; --bp >= buf; ) { | 304 if (nbusy == 0) { 305 if (first_buf_printf) 306 printf("All buffers synced."); 307 break; 308 } 309 if (first_buf_printf) { 310 printf("Syncing disks, buffers remaining... "); 311 first_buf_printf = 0; --- 29 unchanged lines hidden (view full) --- 341 } 342 printf("\n"); 343 /* 344 * Count only busy local buffers to prevent forcing 345 * a fsck if we're just a client of a wedged NFS server 346 */ 347 nbusy = 0; 348 for (bp = &buf[nbuf]; --bp >= buf; ) { |
| 346 if (((bp->b_flags&B_INVAL) == 0 && BUF_REFCNT(bp)) || 347 ((bp->b_flags & (B_DELWRI|B_INVAL)) == B_DELWRI)) { | 349 if (isbufbusy(bp)) { |
| 348#if 0 349/* XXX: This is bogus. We should probably have a BO_REMOTE flag instead */ 350 if (bp->b_dev == NULL) { 351 TAILQ_REMOVE(&mountlist, 352 bp->b_vp->v_mount, mnt_list); 353 continue; 354 } 355#endif --- 276 unchanged lines hidden --- | 350#if 0 351/* XXX: This is bogus. We should probably have a BO_REMOTE flag instead */ 352 if (bp->b_dev == NULL) { 353 TAILQ_REMOVE(&mountlist, 354 bp->b_vp->v_mount, mnt_list); 355 continue; 356 } 357#endif --- 276 unchanged lines hidden --- |