Annotation of sys/xfs/xfs_node.h, Revision 1.1.1.1
1.1 nbrk 1: /*
2: * Copyright (c) 1995 - 2002 Kungliga Tekniska Högskolan
3: * (Royal Institute of Technology, Stockholm, Sweden).
4: * All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: *
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * 3. Neither the name of the Institute nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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:
34: /* $arla: xfs_node.h,v 1.33 2003/01/25 18:48:28 lha Exp $ */
35:
36: #ifndef _xfs_xnode_h
37: #define _xfs_xnode_h
38:
39: #include <sys/types.h>
40: #include <sys/time.h>
41: #ifdef HAVE_KERNEL_LF_ADVLOCK
42: #include <sys/lockf.h>
43: #endif
44:
45: #include <xfs/xfs_attr.h>
46: #include <xfs/xfs_message.h>
47: #include <xfs/xfs_queue.h>
48:
49: #ifdef __APPLE__
50: typedef struct lock__bsd__ xfs_vnode_lock;
51: #else
52: typedef struct lock xfs_vnode_lock;
53: #endif
54:
55: struct xfs_node {
56: #if defined(__NetBSD_Version__) && __NetBSD_Version__ >= 105280000
57: struct genfs_node gnode;
58: #endif
59: struct vnode *vn;
60: struct vnode *data;
61: struct vattr attr;
62: uint32_t offset;
63: u_int flags;
64: u_int tokens;
65: xfs_handle handle;
66: xfs_pag_t id[MAXRIGHTS];
67: u_char rights[MAXRIGHTS];
68: u_char anonrights;
69: #if defined(HAVE_KERNEL_LOCKMGR) || defined(HAVE_KERNEL_DEBUGLOCKMGR)
70: xfs_vnode_lock lock;
71: #else
72: int vnlocks;
73: #endif
74: #ifdef HAVE_KERNEL_LF_ADVLOCK
75: struct lockf *lockf;
76: #endif
77: struct ucred *rd_cred;
78: struct ucred *wr_cred;
79: NNPQUEUE_ENTRY(xfs_node) nn_hash;
80: };
81:
82: #define XN_HASHSIZE 101
83:
84: NNPQUEUE_HEAD(nh_node_list, xfs_node);
85:
86: struct xfs_nodelist_head {
87: struct nh_node_list nh_nodelist[XN_HASHSIZE];
88: };
89:
90: void nnfs_init_head(struct xfs_nodelist_head *);
91: void xfs_node_purge(struct xfs_nodelist_head *,
92: void (*func)(struct xfs_node *));
93: struct xfs_node *
94: xfs_node_find(struct xfs_nodelist_head *, xfs_handle *);
95: void xfs_remove_node(struct xfs_nodelist_head *, struct xfs_node *);
96: void xfs_insert(struct xfs_nodelist_head *, struct xfs_node *);
97: int xfs_update_handle(struct xfs_nodelist_head *, xfs_handle *,
98: xfs_handle *);
99:
100:
101: struct xfs;
102:
103: int xfs_getnewvnode(struct xfs *xfsp, struct vnode **vpp,
104: struct xfs_handle *handle);
105:
106:
107: #define DATA_FROM_VNODE(vp) DATA_FROM_XNODE(VNODE_TO_XNODE(vp))
108:
109: #define DATA_FROM_XNODE(xp) ((xp)->data)
110:
111: #define XNODE_TO_VNODE(xp) ((xp)->vn)
112: #define VNODE_TO_XNODE(vp) ((struct xfs_node *) (vp)->v_data)
113:
114: #if defined(HAVE_ONE_ARGUMENT_VGET)
115: #define xfs_do_vget(vp, lockflag, proc) vget((vp))
116: #elif defined(HAVE_TWO_ARGUMENT_VGET)
117: #define xfs_do_vget(vp, lockflag, proc) vget((vp), (lockflag))
118: #elif defined(HAVE_THREE_ARGUMENT_VGET)
119: #define xfs_do_vget(vp, lockflag, proc) vget((vp), (lockflag), (proc))
120: #else
121: #error what kind of vget
122: #endif
123:
124: #ifndef HAVE_VOP_T
125: typedef int vop_t (void *);
126: #endif
127:
128: #ifdef LK_INTERLOCK
129: #define HAVE_LK_INTERLOCK
130: #else
131: #define LK_INTERLOCK 0
132: #endif
133:
134: #ifdef LK_RETRY
135: #define HAVE_LK_RETRY
136: #else
137: #define LK_RETRY 0
138: #endif
139:
140: /*
141: * This is compat code for older vfs that have a
142: * vget that only takes an integer (really boolean) argument
143: * that the returned vnode will be returned locked
144: */
145:
146: #ifdef LK_EXCLUSIVE
147: #define HAVE_LK_EXCLUSIVE 1
148: #else
149: #define LK_EXCLUSIVE 1
150: #endif
151:
152: #ifdef LK_SHARED
153: #define HAVE_LK_SHARED 1
154: #else
155: #define LK_SHARED 1
156: #endif
157:
158: void xfs_update_write_cred(struct xfs_node *, struct ucred *);
159: void xfs_update_read_cred(struct xfs_node *, struct ucred *);
160:
161: #endif /* _xfs_xnode_h */
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to xfs_node.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / xfs