/* * Copyright (c) 1995 - 2002 Kungliga Tekniska H�gskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* $arla: xfs_node.h,v 1.33 2003/01/25 18:48:28 lha Exp $ */ #ifndef _xfs_xnode_h #define _xfs_xnode_h #include <sys/types.h> #include <sys/time.h> #ifdef HAVE_KERNEL_LF_ADVLOCK #include <sys/lockf.h> #endif #include <xfs/xfs_attr.h> #include <xfs/xfs_message.h> #include <xfs/xfs_queue.h> #ifdef __APPLE__ typedef struct lock__bsd__ xfs_vnode_lock; #else typedef struct lock xfs_vnode_lock; #endif struct xfs_node { #if defined(__NetBSD_Version__) && __NetBSD_Version__ >= 105280000 struct genfs_node gnode; #endif struct vnode *vn; struct vnode *data; struct vattr attr; uint32_t offset; u_int flags; u_int tokens; xfs_handle handle; xfs_pag_t id[MAXRIGHTS]; u_char rights[MAXRIGHTS]; u_char anonrights; #if defined(HAVE_KERNEL_LOCKMGR) || defined(HAVE_KERNEL_DEBUGLOCKMGR) xfs_vnode_lock lock; #else int vnlocks; #endif #ifdef HAVE_KERNEL_LF_ADVLOCK struct lockf *lockf; #endif struct ucred *rd_cred; struct ucred *wr_cred; NNPQUEUE_ENTRY(xfs_node) nn_hash; }; #define XN_HASHSIZE 101 NNPQUEUE_HEAD(nh_node_list, xfs_node); struct xfs_nodelist_head { struct nh_node_list nh_nodelist[XN_HASHSIZE]; }; void nnfs_init_head(struct xfs_nodelist_head *); void xfs_node_purge(struct xfs_nodelist_head *, void (*func)(struct xfs_node *)); struct xfs_node * xfs_node_find(struct xfs_nodelist_head *, xfs_handle *); void xfs_remove_node(struct xfs_nodelist_head *, struct xfs_node *); void xfs_insert(struct xfs_nodelist_head *, struct xfs_node *); int xfs_update_handle(struct xfs_nodelist_head *, xfs_handle *, xfs_handle *); struct xfs; int xfs_getnewvnode(struct xfs *xfsp, struct vnode **vpp, struct xfs_handle *handle); #define DATA_FROM_VNODE(vp) DATA_FROM_XNODE(VNODE_TO_XNODE(vp)) #define DATA_FROM_XNODE(xp) ((xp)->data) #define XNODE_TO_VNODE(xp) ((xp)->vn) #define VNODE_TO_XNODE(vp) ((struct xfs_node *) (vp)->v_data) #if defined(HAVE_ONE_ARGUMENT_VGET) #define xfs_do_vget(vp, lockflag, proc) vget((vp)) #elif defined(HAVE_TWO_ARGUMENT_VGET) #define xfs_do_vget(vp, lockflag, proc) vget((vp), (lockflag)) #elif defined(HAVE_THREE_ARGUMENT_VGET) #define xfs_do_vget(vp, lockflag, proc) vget((vp), (lockflag), (proc)) #else #error what kind of vget #endif #ifndef HAVE_VOP_T typedef int vop_t (void *); #endif #ifdef LK_INTERLOCK #define HAVE_LK_INTERLOCK #else #define LK_INTERLOCK 0 #endif #ifdef LK_RETRY #define HAVE_LK_RETRY #else #define LK_RETRY 0 #endif /* * This is compat code for older vfs that have a * vget that only takes an integer (really boolean) argument * that the returned vnode will be returned locked */ #ifdef LK_EXCLUSIVE #define HAVE_LK_EXCLUSIVE 1 #else #define LK_EXCLUSIVE 1 #endif #ifdef LK_SHARED #define HAVE_LK_SHARED 1 #else #define LK_SHARED 1 #endif void xfs_update_write_cred(struct xfs_node *, struct ucred *); void xfs_update_read_cred(struct xfs_node *, struct ucred *); #endif /* _xfs_xnode_h */