VFS messaging/interfacing work stage 4/99. This stage goes a long ways
[dragonfly.git] / sys / vfs / ntfs / ntfs_inode.h
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1/* $NetBSD: ntfs_inode.h,v 1.8 1999/10/31 19:45:26 jdolecek Exp $ */
2
3/*-
4 * Copyright (c) 1998, 1999 Semen Ustimenko
5 * 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
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: src/sys/ntfs/ntfs_inode.h,v 1.6 1999/12/03 20:37:39 semenu Exp $
3446c007 29 * $DragonFly: src/sys/vfs/ntfs/ntfs_inode.h,v 1.5 2004/08/28 19:02:21 dillon Exp $
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30 */
31
32/* These flags are kept in i_flag. */
08c23b99 33#if defined(__DragonFly__)
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34#define IN_ACCESS 0x0001 /* Access time update request. */
35#define IN_CHANGE 0x0002 /* Inode change time update request. */
36#define IN_UPDATE 0x0004 /* Modification time update request. */
37#define IN_MODIFIED 0x0008 /* Inode has been modified. */
38#define IN_RENAME 0x0010 /* Inode is being renamed. */
39#define IN_SHLOCK 0x0020 /* File has shared lock. */
40#define IN_EXLOCK 0x0040 /* File has exclusive lock. */
41#define IN_LAZYMOD 0x0080 /* Modified, but don't write yet. */
42#else /* defined(__NetBSD__) */
43#define IN_ACCESS 0x0001 /* Access time update request. */
44#define IN_CHANGE 0x0002 /* Inode change time update request. */
45#define IN_EXLOCK 0x0004 /* File has exclusive lock. */
46#define IN_LOCKED 0x0008 /* Inode lock. */
47#define IN_LWAIT 0x0010 /* Process waiting on file lock. */
48#define IN_MODIFIED 0x0020 /* Inode has been modified. */
49#define IN_RENAME 0x0040 /* Inode is being renamed. */
50#define IN_SHLOCK 0x0080 /* File has shared lock. */
51#define IN_UPDATE 0x0100 /* Modification time update request. */
52#define IN_WANTED 0x0200 /* Inode is wanted by a process. */
53#define IN_RECURSE 0x0400 /* Recursion expected */
54#endif
55
56#define IN_HASHED 0x0800 /* Inode is on hash list */
57#define IN_LOADED 0x8000 /* ntvattrs loaded */
58#define IN_PRELOADED 0x4000 /* loaded from directory entry */
59
60struct ntnode {
61 struct vnode *i_devvp; /* vnode of blk dev we live on */
62 dev_t i_dev; /* Device associated with the inode. */
63
64 LIST_ENTRY(ntnode) i_hash;
65 struct ntnode *i_next;
66 struct ntnode **i_prev;
67 struct ntfsmount *i_mp;
68 ino_t i_number;
69 u_int32_t i_flag;
70
71 /* locking */
72 struct lock i_lock;
8a8d5d85 73 struct lwkt_token i_interlock;
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74 int i_usecount;
75
76 LIST_HEAD(,fnode) i_fnlist;
77 LIST_HEAD(,ntvattr) i_valist;
78
79 long i_nlink; /* MFR */
80 ino_t i_mainrec; /* MFR */
81 u_int32_t i_frflag; /* MFR */
82};
83
84#define FN_PRELOADED 0x0001
85#define FN_VALID 0x0002
86#define FN_AATTRNAME 0x0004 /* space allocated for f_attrname */
87struct fnode {
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88 LIST_ENTRY(fnode) f_fnlist;
89 struct vnode *f_vp; /* Associatied vnode */
90 struct ntnode *f_ip; /* Associated ntnode */
91 u_long f_flag;
92
93 ntfs_times_t f_times; /* $NAME/dirinfo */
94 ino_t f_pnumber; /* $NAME/dirinfo */
95 u_int32_t f_fflag; /* $NAME/dirinfo */
96 u_int64_t f_size; /* defattr/dirinfo: */
97 u_int64_t f_allocated; /* defattr/dirinfo */
98
99 u_int32_t f_attrtype;
100 char *f_attrname;
101
102 /* for ntreaddir */
103 u_int32_t f_lastdattr;
104 u_int32_t f_lastdblnum;
105 u_int32_t f_lastdoff;
106 u_int32_t f_lastdnum;
107 caddr_t f_dirblbuf;
108 u_int32_t f_dirblsz;
109};
110
111/* This overlays the fid structure (see <sys/mount.h>) */
112struct ntfid {
113 u_int16_t ntfid_len; /* Length of structure. */
114 u_int16_t ntfid_pad; /* Force 32-bit alignment. */
115 ino_t ntfid_ino; /* File number (ino). */
116 int32_t ntfid_gen; /* Generation number. */
117};