| vfs_export.c (42453) | vfs_export.c (42957) |
|---|---|
| 1/* 2 * Copyright (c) 1989, 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 * @(#)vfs_subr.c 8.31 (Berkeley) 5/26/95 | 1/* 2 * Copyright (c) 1989, 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 * @(#)vfs_subr.c 8.31 (Berkeley) 5/26/95 |
| 39 * $Id: vfs_subr.c,v 1.181 1999/01/08 17:31:17 eivind Exp $ | 39 * $Id: vfs_subr.c,v 1.182 1999/01/10 01:58:26 eivind Exp $ |
| 40 */ 41 42/* 43 * External virtual filesystem routines 44 */ 45#include "opt_ddb.h" 46 47#include <sys/param.h> --- 10 unchanged lines hidden (view full) --- 58#include <sys/buf.h> 59#include <sys/domain.h> 60#include <sys/dirent.h> 61#include <sys/vmmeter.h> 62 63#include <machine/limits.h> 64 65#include <vm/vm.h> | 40 */ 41 42/* 43 * External virtual filesystem routines 44 */ 45#include "opt_ddb.h" 46 47#include <sys/param.h> --- 10 unchanged lines hidden (view full) --- 58#include <sys/buf.h> 59#include <sys/domain.h> 60#include <sys/dirent.h> 61#include <sys/vmmeter.h> 62 63#include <machine/limits.h> 64 65#include <vm/vm.h> |
| 66#include <vm/vm_param.h> 67#include <vm/vm_prot.h> |
|
| 66#include <vm/vm_object.h> 67#include <vm/vm_extern.h> 68#include <vm/pmap.h> 69#include <vm/vm_map.h> | 68#include <vm/vm_object.h> 69#include <vm/vm_extern.h> 70#include <vm/pmap.h> 71#include <vm/vm_map.h> |
| 72#include <vm/vm_page.h> |
|
| 70#include <vm/vm_pager.h> 71#include <vm/vnode_pager.h> 72#include <vm/vm_zone.h> 73#include <sys/sysctl.h> 74 75#include <miscfs/specfs/specdev.h> 76 77static MALLOC_DEFINE(M_NETADDR, "Export Host", "Export host address structure"); --- 902 unchanged lines hidden (view full) --- 980 */ 981 if (time_second == starttime) 982 tsleep(&lbolt, PPAUSE, "syncer", 0); 983 } 984} 985 986/* 987 * Associate a p-buffer with a vnode. | 73#include <vm/vm_pager.h> 74#include <vm/vnode_pager.h> 75#include <vm/vm_zone.h> 76#include <sys/sysctl.h> 77 78#include <miscfs/specfs/specdev.h> 79 80static MALLOC_DEFINE(M_NETADDR, "Export Host", "Export host address structure"); --- 902 unchanged lines hidden (view full) --- 983 */ 984 if (time_second == starttime) 985 tsleep(&lbolt, PPAUSE, "syncer", 0); 986 } 987} 988 989/* 990 * Associate a p-buffer with a vnode. |
| 991 * 992 * Also sets B_PAGING flag to indicate that vnode is not fully associated 993 * with the buffer. i.e. the bp has not been linked into the vnode or 994 * ref-counted. |
|
| 988 */ 989void 990pbgetvp(vp, bp) 991 register struct vnode *vp; 992 register struct buf *bp; 993{ 994 995 KASSERT(bp->b_vp == NULL, ("pbgetvp: not free")); 996 997 bp->b_vp = vp; | 995 */ 996void 997pbgetvp(vp, bp) 998 register struct vnode *vp; 999 register struct buf *bp; 1000{ 1001 1002 KASSERT(bp->b_vp == NULL, ("pbgetvp: not free")); 1003 1004 bp->b_vp = vp; |
| 1005 bp->b_flags |= B_PAGING; |
|
| 998 if (vp->v_type == VBLK || vp->v_type == VCHR) 999 bp->b_dev = vp->v_rdev; 1000 else 1001 bp->b_dev = NODEV; 1002} 1003 1004/* 1005 * Disassociate a p-buffer from a vnode. 1006 */ 1007void 1008pbrelvp(bp) 1009 register struct buf *bp; 1010{ 1011 1012 KASSERT(bp->b_vp != NULL, ("pbrelvp: NULL")); 1013 | 1006 if (vp->v_type == VBLK || vp->v_type == VCHR) 1007 bp->b_dev = vp->v_rdev; 1008 else 1009 bp->b_dev = NODEV; 1010} 1011 1012/* 1013 * Disassociate a p-buffer from a vnode. 1014 */ 1015void 1016pbrelvp(bp) 1017 register struct buf *bp; 1018{ 1019 1020 KASSERT(bp->b_vp != NULL, ("pbrelvp: NULL")); 1021 |
| 1022#if !defined(MAX_PERF) 1023 /* XXX REMOVE ME */ 1024 if (bp->b_vnbufs.tqe_next != NULL) { 1025 panic( 1026 "relpbuf(): b_vp was probably reassignbuf()d %p %x", 1027 bp, 1028 (int)bp->b_flags 1029 ); 1030 } 1031#endif |
|
| 1014 bp->b_vp = (struct vnode *) 0; | 1032 bp->b_vp = (struct vnode *) 0; |
| 1033 bp->b_flags &= ~B_PAGING; |
|
| 1015} 1016 | 1034} 1035 |
| 1036void 1037pbreassignbuf(bp, newvp) 1038 struct buf *bp; 1039 struct vnode *newvp; 1040{ 1041#if !defined(MAX_PERF) 1042 if ((bp->b_flags & B_PAGING) == 0) { 1043 panic( 1044 "pbreassignbuf() on non phys bp %p", 1045 bp 1046 ); 1047 } 1048#endif 1049 bp->b_vp = newvp; 1050} 1051 |
|
| 1017/* 1018 * Reassign a buffer from one vnode to another. 1019 * Used to assign file specific control information 1020 * (indirect blocks) to the vnode to which they belong. 1021 */ 1022void 1023reassignbuf(bp, newvp) 1024 register struct buf *bp; --- 4 unchanged lines hidden (view full) --- 1029 int delay; 1030 int s; 1031 1032 if (newvp == NULL) { 1033 printf("reassignbuf: NULL"); 1034 return; 1035 } 1036 | 1052/* 1053 * Reassign a buffer from one vnode to another. 1054 * Used to assign file specific control information 1055 * (indirect blocks) to the vnode to which they belong. 1056 */ 1057void 1058reassignbuf(bp, newvp) 1059 register struct buf *bp; --- 4 unchanged lines hidden (view full) --- 1064 int delay; 1065 int s; 1066 1067 if (newvp == NULL) { 1068 printf("reassignbuf: NULL"); 1069 return; 1070 } 1071 |
| 1072#if !defined(MAX_PERF) 1073 /* 1074 * B_PAGING flagged buffers cannot be reassigned because their vp 1075 * is not fully linked in. 1076 */ 1077 if (bp->b_flags & B_PAGING) 1078 panic("cannot reassign paging buffer"); 1079#endif 1080 |
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| 1037 s = splbio(); 1038 /* 1039 * Delete from old vnode list, if on one. 1040 */ 1041 if (bp->b_xflags & (B_VNDIRTY|B_VNCLEAN)) { 1042 oldvp = bp->b_vp; 1043 if (bp->b_xflags & B_VNDIRTY) 1044 listheadp = &oldvp->v_dirtyblkhd; --- 1784 unchanged lines hidden --- | 1081 s = splbio(); 1082 /* 1083 * Delete from old vnode list, if on one. 1084 */ 1085 if (bp->b_xflags & (B_VNDIRTY|B_VNCLEAN)) { 1086 oldvp = bp->b_vp; 1087 if (bp->b_xflags & B_VNDIRTY) 1088 listheadp = &oldvp->v_dirtyblkhd; --- 1784 unchanged lines hidden --- |