| vnode.h (70834) | vnode.h (71576) |
|---|---|
| 1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)vnode.h 8.7 (Berkeley) 2/4/94 | 1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)vnode.h 8.7 (Berkeley) 2/4/94 |
| 34 * $FreeBSD: head/sys/sys/vnode.h 70834 2001-01-09 04:33:49Z wollman $ | 34 * $FreeBSD: head/sys/sys/vnode.h 71576 2001-01-24 12:35:55Z jasone $ |
| 35 */ 36 37#ifndef _SYS_VNODE_H_ 38#define _SYS_VNODE_H_ 39 40#include <sys/lock.h> 41#include <sys/mutex.h> 42#include <sys/queue.h> --- 30 unchanged lines hidden (view full) --- 73 */ 74TAILQ_HEAD(buflists, buf); 75 76typedef int vop_t __P((void *)); 77struct namecache; 78 79/* 80 * Reading or writing any of these items requires holding the appropriate lock. | 35 */ 36 37#ifndef _SYS_VNODE_H_ 38#define _SYS_VNODE_H_ 39 40#include <sys/lock.h> 41#include <sys/mutex.h> 42#include <sys/queue.h> --- 30 unchanged lines hidden (view full) --- 73 */ 74TAILQ_HEAD(buflists, buf); 75 76typedef int vop_t __P((void *)); 77struct namecache; 78 79/* 80 * Reading or writing any of these items requires holding the appropriate lock. |
| 81 * v_freelist is locked by the global vnode_free_list simple lock. 82 * v_mntvnodes is locked by the global mntvnodes simple lock. | 81 * v_freelist is locked by the global vnode_free_list mutex. 82 * v_mntvnodes is locked by the global mntvnodes mutex. |
| 83 * v_flag, v_usecount, v_holdcount and v_writecount are 84 * locked by the v_interlock mutex. 85 * v_pollinfo is locked by the lock contained inside it. 86 */ 87struct vnode { 88 u_long v_flag; /* vnode flags (see below) */ 89 int v_usecount; /* reference count of users */ 90 int v_writecount; /* reference count of writers */ --- 28 unchanged lines hidden (view full) --- 119 struct lock *v_vnlock; /* pointer to vnode lock */ 120 enum vtagtype v_tag; /* type of underlying data */ 121 void *v_data; /* private data for fs */ 122 LIST_HEAD(, namecache) v_cache_src; /* Cache entries from us */ 123 TAILQ_HEAD(, namecache) v_cache_dst; /* Cache entries to us */ 124 struct vnode *v_dd; /* .. vnode */ 125 u_long v_ddid; /* .. capability identifier */ 126 struct { | 83 * v_flag, v_usecount, v_holdcount and v_writecount are 84 * locked by the v_interlock mutex. 85 * v_pollinfo is locked by the lock contained inside it. 86 */ 87struct vnode { 88 u_long v_flag; /* vnode flags (see below) */ 89 int v_usecount; /* reference count of users */ 90 int v_writecount; /* reference count of writers */ --- 28 unchanged lines hidden (view full) --- 119 struct lock *v_vnlock; /* pointer to vnode lock */ 120 enum vtagtype v_tag; /* type of underlying data */ 121 void *v_data; /* private data for fs */ 122 LIST_HEAD(, namecache) v_cache_src; /* Cache entries from us */ 123 TAILQ_HEAD(, namecache) v_cache_dst; /* Cache entries to us */ 124 struct vnode *v_dd; /* .. vnode */ 125 u_long v_ddid; /* .. capability identifier */ 126 struct { |
| 127 struct simplelock vpi_lock; /* lock to protect below */ | 127 struct mtx vpi_lock; /* lock to protect below */ |
| 128 struct selinfo vpi_selinfo; /* identity of poller(s) */ 129 short vpi_events; /* what they are looking for */ 130 short vpi_revents; /* what has happened */ 131 } v_pollinfo; 132 struct proc *v_vxproc; /* proc owning VXLOCK */ 133#ifdef DEBUG_LOCKS 134 const char *filename; /* Source file doing locking */ 135 int line; /* Line number doing locking */ --- 228 unchanged lines hidden (view full) --- 364/* 365 * A list of all the operation descs. 366 */ 367extern struct vnodeop_desc *vnodeop_descs[]; 368 369/* 370 * Interlock for scanning list of vnodes attached to a mountpoint 371 */ | 128 struct selinfo vpi_selinfo; /* identity of poller(s) */ 129 short vpi_events; /* what they are looking for */ 130 short vpi_revents; /* what has happened */ 131 } v_pollinfo; 132 struct proc *v_vxproc; /* proc owning VXLOCK */ 133#ifdef DEBUG_LOCKS 134 const char *filename; /* Source file doing locking */ 135 int line; /* Line number doing locking */ --- 228 unchanged lines hidden (view full) --- 364/* 365 * A list of all the operation descs. 366 */ 367extern struct vnodeop_desc *vnodeop_descs[]; 368 369/* 370 * Interlock for scanning list of vnodes attached to a mountpoint 371 */ |
| 372extern struct simplelock mntvnode_slock; | 372extern struct mtx mntvnode_mtx; |
| 373 374/* 375 * This macro is very helpful in defining those offsets in the vdesc struct. 376 * 377 * This is stolen from X11R4. I ignored all the fancy stuff for 378 * Crays, so if you decide to port this to such a serious machine, 379 * you might want to consult Intrinsic.h's XtOffset{,Of,To}. 380 */ --- 190 unchanged lines hidden (view full) --- 571void vgonel __P((struct vnode *vp, struct proc *p)); 572void vhold __P((struct vnode *)); 573int vinvalbuf __P((struct vnode *vp, int save, struct ucred *cred, 574 575 struct proc *p, int slpflag, int slptimeo)); 576int vtruncbuf __P((struct vnode *vp, struct ucred *cred, struct proc *p, 577 off_t length, int blksize)); 578void vprint __P((char *label, struct vnode *vp)); | 373 374/* 375 * This macro is very helpful in defining those offsets in the vdesc struct. 376 * 377 * This is stolen from X11R4. I ignored all the fancy stuff for 378 * Crays, so if you decide to port this to such a serious machine, 379 * you might want to consult Intrinsic.h's XtOffset{,Of,To}. 380 */ --- 190 unchanged lines hidden (view full) --- 571void vgonel __P((struct vnode *vp, struct proc *p)); 572void vhold __P((struct vnode *)); 573int vinvalbuf __P((struct vnode *vp, int save, struct ucred *cred, 574 575 struct proc *p, int slpflag, int slptimeo)); 576int vtruncbuf __P((struct vnode *vp, struct ucred *cred, struct proc *p, 577 off_t length, int blksize)); 578void vprint __P((char *label, struct vnode *vp)); |
| 579int vrecycle __P((struct vnode *vp, struct simplelock *inter_lkp, | 579int vrecycle __P((struct vnode *vp, struct mtx *inter_lkp, |
| 580 struct proc *p)); 581int vn_close __P((struct vnode *vp, 582 int flags, struct ucred *cred, struct proc *p)); 583void vn_finished_write __P((struct mount *mp)); 584int vn_isdisk __P((struct vnode *vp, int *errp)); 585int vn_lock __P((struct vnode *vp, int flags, struct proc *p)); 586#ifdef DEBUG_LOCKS 587int debug_vn_lock __P((struct vnode *vp, int flags, struct proc *p, --- 66 unchanged lines hidden --- | 580 struct proc *p)); 581int vn_close __P((struct vnode *vp, 582 int flags, struct ucred *cred, struct proc *p)); 583void vn_finished_write __P((struct mount *mp)); 584int vn_isdisk __P((struct vnode *vp, int *errp)); 585int vn_lock __P((struct vnode *vp, int flags, struct proc *p)); 586#ifdef DEBUG_LOCKS 587int debug_vn_lock __P((struct vnode *vp, int flags, struct proc *p, --- 66 unchanged lines hidden --- |