Root/
1 | /* |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. |
4 | * |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as |
7 | * published by the Free Software Foundation. |
8 | * |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | * GNU General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
17 | */ |
18 | #ifndef __XFS_TYPES_H__ |
19 | #define __XFS_TYPES_H__ |
20 | |
21 | #ifdef __KERNEL__ |
22 | |
23 | /* |
24 | * Additional type declarations for XFS |
25 | */ |
26 | typedef signed char __int8_t; |
27 | typedef unsigned char __uint8_t; |
28 | typedef signed short int __int16_t; |
29 | typedef unsigned short int __uint16_t; |
30 | typedef signed int __int32_t; |
31 | typedef unsigned int __uint32_t; |
32 | typedef signed long long int __int64_t; |
33 | typedef unsigned long long int __uint64_t; |
34 | |
35 | typedef enum { B_FALSE,B_TRUE } boolean_t; |
36 | typedef __uint32_t prid_t; /* project ID */ |
37 | typedef __uint32_t inst_t; /* an instruction */ |
38 | |
39 | typedef __s64 xfs_off_t; /* <file offset> type */ |
40 | typedef unsigned long long xfs_ino_t; /* <inode> type */ |
41 | typedef __s64 xfs_daddr_t; /* <disk address> type */ |
42 | typedef char * xfs_caddr_t; /* <core address> type */ |
43 | typedef __u32 xfs_dev_t; |
44 | typedef __u32 xfs_nlink_t; |
45 | |
46 | /* __psint_t is the same size as a pointer */ |
47 | #if (BITS_PER_LONG == 32) |
48 | typedef __int32_t __psint_t; |
49 | typedef __uint32_t __psunsigned_t; |
50 | #elif (BITS_PER_LONG == 64) |
51 | typedef __int64_t __psint_t; |
52 | typedef __uint64_t __psunsigned_t; |
53 | #else |
54 | #error BITS_PER_LONG must be 32 or 64 |
55 | #endif |
56 | |
57 | #endif /* __KERNEL__ */ |
58 | |
59 | typedef __uint32_t xfs_agblock_t; /* blockno in alloc. group */ |
60 | typedef __uint32_t xfs_extlen_t; /* extent length in blocks */ |
61 | typedef __uint32_t xfs_agnumber_t; /* allocation group number */ |
62 | typedef __int32_t xfs_extnum_t; /* # of extents in a file */ |
63 | typedef __int16_t xfs_aextnum_t; /* # extents in an attribute fork */ |
64 | typedef __int64_t xfs_fsize_t; /* bytes in a file */ |
65 | typedef __uint64_t xfs_ufsize_t; /* unsigned bytes in a file */ |
66 | |
67 | typedef __int32_t xfs_suminfo_t; /* type of bitmap summary info */ |
68 | typedef __int32_t xfs_rtword_t; /* word type for bitmap manipulations */ |
69 | |
70 | typedef __int64_t xfs_lsn_t; /* log sequence number */ |
71 | typedef __int32_t xfs_tid_t; /* transaction identifier */ |
72 | |
73 | typedef __uint32_t xfs_dablk_t; /* dir/attr block number (in file) */ |
74 | typedef __uint32_t xfs_dahash_t; /* dir/attr hash value */ |
75 | |
76 | typedef __uint16_t xfs_prid_t; /* prid_t truncated to 16bits in XFS */ |
77 | |
78 | /* |
79 | * These types are 64 bits on disk but are either 32 or 64 bits in memory. |
80 | * Disk based types: |
81 | */ |
82 | typedef __uint64_t xfs_dfsbno_t; /* blockno in filesystem (agno|agbno) */ |
83 | typedef __uint64_t xfs_drfsbno_t; /* blockno in filesystem (raw) */ |
84 | typedef __uint64_t xfs_drtbno_t; /* extent (block) in realtime area */ |
85 | typedef __uint64_t xfs_dfiloff_t; /* block number in a file */ |
86 | typedef __uint64_t xfs_dfilblks_t; /* number of blocks in a file */ |
87 | |
88 | /* |
89 | * Memory based types are conditional. |
90 | */ |
91 | #if XFS_BIG_BLKNOS |
92 | typedef __uint64_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */ |
93 | typedef __uint64_t xfs_rfsblock_t; /* blockno in filesystem (raw) */ |
94 | typedef __uint64_t xfs_rtblock_t; /* extent (block) in realtime area */ |
95 | typedef __int64_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */ |
96 | #else |
97 | typedef __uint32_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */ |
98 | typedef __uint32_t xfs_rfsblock_t; /* blockno in filesystem (raw) */ |
99 | typedef __uint32_t xfs_rtblock_t; /* extent (block) in realtime area */ |
100 | typedef __int32_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */ |
101 | #endif |
102 | typedef __uint64_t xfs_fileoff_t; /* block number in a file */ |
103 | typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */ |
104 | typedef __uint64_t xfs_filblks_t; /* number of blocks in a file */ |
105 | |
106 | /* |
107 | * Null values for the types. |
108 | */ |
109 | #define NULLDFSBNO ((xfs_dfsbno_t)-1) |
110 | #define NULLDRFSBNO ((xfs_drfsbno_t)-1) |
111 | #define NULLDRTBNO ((xfs_drtbno_t)-1) |
112 | #define NULLDFILOFF ((xfs_dfiloff_t)-1) |
113 | |
114 | #define NULLFSBLOCK ((xfs_fsblock_t)-1) |
115 | #define NULLRFSBLOCK ((xfs_rfsblock_t)-1) |
116 | #define NULLRTBLOCK ((xfs_rtblock_t)-1) |
117 | #define NULLFILEOFF ((xfs_fileoff_t)-1) |
118 | |
119 | #define NULLAGBLOCK ((xfs_agblock_t)-1) |
120 | #define NULLAGNUMBER ((xfs_agnumber_t)-1) |
121 | #define NULLEXTNUM ((xfs_extnum_t)-1) |
122 | |
123 | #define NULLCOMMITLSN ((xfs_lsn_t)-1) |
124 | |
125 | /* |
126 | * Max values for extlen, extnum, aextnum. |
127 | */ |
128 | #define MAXEXTLEN ((xfs_extlen_t)0x001fffff) /* 21 bits */ |
129 | #define MAXEXTNUM ((xfs_extnum_t)0x7fffffff) /* signed int */ |
130 | #define MAXAEXTNUM ((xfs_aextnum_t)0x7fff) /* signed short */ |
131 | |
132 | /* |
133 | * Min numbers of data/attr fork btree root pointers. |
134 | */ |
135 | #define MINDBTPTRS 3 |
136 | #define MINABTPTRS 2 |
137 | |
138 | /* |
139 | * MAXNAMELEN is the length (including the terminating null) of |
140 | * the longest permissible file (component) name. |
141 | */ |
142 | #define MAXNAMELEN 256 |
143 | |
144 | typedef enum { |
145 | XFS_LOOKUP_EQi, XFS_LOOKUP_LEi, XFS_LOOKUP_GEi |
146 | } xfs_lookup_t; |
147 | |
148 | typedef enum { |
149 | XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi, |
150 | XFS_BTNUM_MAX |
151 | } xfs_btnum_t; |
152 | |
153 | struct xfs_name { |
154 | const char *name; |
155 | int len; |
156 | }; |
157 | |
158 | #endif /* __XFS_TYPES_H__ */ |
159 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9