| vfs_cluster.c (106597) | vfs_cluster.c (109623) |
|---|---|
| 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 --- 19 unchanged lines hidden (view full) --- 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)vfs_cluster.c 8.7 (Berkeley) 2/13/94 | 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 --- 19 unchanged lines hidden (view full) --- 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)vfs_cluster.c 8.7 (Berkeley) 2/13/94 |
| 36 * $FreeBSD: head/sys/kern/vfs_cluster.c 106597 2002-11-07 22:41:08Z jhb $ | 36 * $FreeBSD: head/sys/kern/vfs_cluster.c 109623 2003-01-21 08:56:16Z alfred $ |
| 37 */ 38 39#include "opt_debug_cluster.h" 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/stdint.h> 44#include <sys/kernel.h> --- 951 unchanged lines hidden (view full) --- 996{ 997 struct cluster_save *buflist; 998 struct buf *bp; 999 daddr_t lbn; 1000 int i, len; 1001 1002 len = vp->v_lastw - vp->v_cstart + 1; 1003 buflist = malloc(sizeof(struct buf *) * (len + 1) + sizeof(*buflist), | 37 */ 38 39#include "opt_debug_cluster.h" 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/stdint.h> 44#include <sys/kernel.h> --- 951 unchanged lines hidden (view full) --- 996{ 997 struct cluster_save *buflist; 998 struct buf *bp; 999 daddr_t lbn; 1000 int i, len; 1001 1002 len = vp->v_lastw - vp->v_cstart + 1; 1003 buflist = malloc(sizeof(struct buf *) * (len + 1) + sizeof(*buflist), |
| 1004 M_SEGMENT, M_WAITOK); | 1004 M_SEGMENT, 0); |
| 1005 buflist->bs_nchildren = 0; 1006 buflist->bs_children = (struct buf **) (buflist + 1); 1007 for (lbn = vp->v_cstart, i = 0; i < len; lbn++, i++) { 1008 (void) bread(vp, lbn, last_bp->b_bcount, NOCRED, &bp); 1009 buflist->bs_children[i] = bp; 1010 if (bp->b_blkno == bp->b_lblkno) 1011 VOP_BMAP(bp->b_vp, bp->b_lblkno, NULL, &bp->b_blkno, 1012 NULL, NULL); 1013 } 1014 buflist->bs_children[i] = bp = last_bp; 1015 if (bp->b_blkno == bp->b_lblkno) 1016 VOP_BMAP(bp->b_vp, bp->b_lblkno, NULL, &bp->b_blkno, 1017 NULL, NULL); 1018 buflist->bs_nchildren = i + 1; 1019 return (buflist); 1020} | 1005 buflist->bs_nchildren = 0; 1006 buflist->bs_children = (struct buf **) (buflist + 1); 1007 for (lbn = vp->v_cstart, i = 0; i < len; lbn++, i++) { 1008 (void) bread(vp, lbn, last_bp->b_bcount, NOCRED, &bp); 1009 buflist->bs_children[i] = bp; 1010 if (bp->b_blkno == bp->b_lblkno) 1011 VOP_BMAP(bp->b_vp, bp->b_lblkno, NULL, &bp->b_blkno, 1012 NULL, NULL); 1013 } 1014 buflist->bs_children[i] = bp = last_bp; 1015 if (bp->b_blkno == bp->b_lblkno) 1016 VOP_BMAP(bp->b_vp, bp->b_lblkno, NULL, &bp->b_blkno, 1017 NULL, NULL); 1018 buflist->bs_nchildren = i + 1; 1019 return (buflist); 1020} |