| vfs_cluster.c (297633) | vfs_cluster.c (298069) |
|---|---|
| 1/*- 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * Modifications/enhancements: 5 * Copyright (c) 1995 John S. Dyson. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 18 unchanged lines hidden (view full) --- 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)vfs_cluster.c 8.7 (Berkeley) 2/13/94 32 */ 33 34#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * Modifications/enhancements: 5 * Copyright (c) 1995 John S. Dyson. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 18 unchanged lines hidden (view full) --- 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)vfs_cluster.c 8.7 (Berkeley) 2/13/94 32 */ 33 34#include <sys/cdefs.h> |
| 35__FBSDID("$FreeBSD: head/sys/kern/vfs_cluster.c 297633 2016-04-07 04:23:25Z trasz $"); | 35__FBSDID("$FreeBSD: head/sys/kern/vfs_cluster.c 298069 2016-04-15 16:10:11Z pfg $"); |
| 36 37#include "opt_debug_cluster.h" 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/kernel.h> 42#include <sys/proc.h> 43#include <sys/bio.h> --- 319 unchanged lines hidden (view full) --- 363 tbp->b_iocmd = BIO_READ; 364 } 365 tbp->b_blkno = blkno; 366 if( (tbp->b_flags & B_MALLOC) || 367 ((tbp->b_flags & B_VMIO) == 0) || (run <= 1) ) 368 return tbp; 369 370 bp = trypbuf(&cluster_pbuf_freecnt); | 36 37#include "opt_debug_cluster.h" 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/kernel.h> 42#include <sys/proc.h> 43#include <sys/bio.h> --- 319 unchanged lines hidden (view full) --- 363 tbp->b_iocmd = BIO_READ; 364 } 365 tbp->b_blkno = blkno; 366 if( (tbp->b_flags & B_MALLOC) || 367 ((tbp->b_flags & B_VMIO) == 0) || (run <= 1) ) 368 return tbp; 369 370 bp = trypbuf(&cluster_pbuf_freecnt); |
| 371 if (bp == 0) | 371 if (bp == NULL) |
| 372 return tbp; 373 374 /* 375 * We are synthesizing a buffer out of vm_page_t's, but 376 * if the block size is not page aligned then the starting 377 * address may not be either. Inherit the b_data offset 378 * from the original buffer. 379 */ --- 698 unchanged lines hidden --- | 372 return tbp; 373 374 /* 375 * We are synthesizing a buffer out of vm_page_t's, but 376 * if the block size is not page aligned then the starting 377 * address may not be either. Inherit the b_data offset 378 * from the original buffer. 379 */ --- 698 unchanged lines hidden --- |