Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 | /* * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it would be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * Further, this software is distributed without any warranty that it is * free of the rightful claim of any third person regarding infringement * or the like. Any license provided herein, whether implied or * otherwise, applies only to this software file. Patent licenses, if * any, provided herein do not apply to combinations of this program with * other software, or any other product whatsoever. * * You should have received a copy of the GNU General Public License along * with this program; if not, write the Free Software Foundation, Inc., 59 * Temple Place - Suite 330, Boston MA 02111-1307, USA. * * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, * Mountain View, CA 94043, or: * * http://www.sgi.com * * For further information regarding this notice, see: * * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ */ #ifndef __XFS_TYPES_H__ #define __XFS_TYPES_H__ #ifdef __KERNEL__ /* * POSIX Extensions */ typedef unsigned char uchar_t; typedef unsigned short ushort_t; typedef unsigned int uint_t; typedef unsigned long ulong_t; /* * Additional type declarations for XFS */ typedef signed char __int8_t; typedef unsigned char __uint8_t; typedef signed short int __int16_t; typedef unsigned short int __uint16_t; typedef signed int __int32_t; typedef unsigned int __uint32_t; typedef signed long long int __int64_t; typedef unsigned long long int __uint64_t; typedef enum { B_FALSE,B_TRUE } boolean_t; typedef __int64_t prid_t; /* project ID */ typedef __uint32_t inst_t; /* an instruction */ typedef __u64 xfs_off_t; typedef __u64 xfs_ino_t; /* <inode> type */ typedef __s64 xfs_daddr_t; /* <disk address> type */ typedef char * xfs_caddr_t; /* <core address> type */ typedef __u32 xfs_dev_t; /* __psint_t is the same size as a pointer */ #if (BITS_PER_LONG == 32) typedef __int32_t __psint_t; typedef __uint32_t __psunsigned_t; #elif (BITS_PER_LONG == 64) typedef __int64_t __psint_t; typedef __uint64_t __psunsigned_t; #else #error BITS_PER_LONG must be 32 or 64 #endif #endif /* __KERNEL__ */ typedef __uint32_t xfs_agblock_t; /* blockno in alloc. group */ typedef __uint32_t xfs_extlen_t; /* extent length in blocks */ typedef __uint32_t xfs_agnumber_t; /* allocation group number */ typedef __int32_t xfs_extnum_t; /* # of extents in a file */ typedef __int16_t xfs_aextnum_t; /* # extents in an attribute fork */ typedef __int64_t xfs_fsize_t; /* bytes in a file */ typedef __uint64_t xfs_ufsize_t; /* unsigned bytes in a file */ typedef __int32_t xfs_suminfo_t; /* type of bitmap summary info */ typedef __int32_t xfs_rtword_t; /* word type for bitmap manipulations */ typedef __int64_t xfs_lsn_t; /* log sequence number */ typedef __int32_t xfs_tid_t; /* transaction identifier */ typedef __uint32_t xfs_dablk_t; /* dir/attr block number (in file) */ typedef __uint32_t xfs_dahash_t; /* dir/attr hash value */ typedef __uint16_t xfs_prid_t; /* prid_t truncated to 16bits in XFS */ /* * These types are 64 bits on disk but are either 32 or 64 bits in memory. * Disk based types: */ typedef __uint64_t xfs_dfsbno_t; /* blockno in filesystem (agno|agbno) */ typedef __uint64_t xfs_drfsbno_t; /* blockno in filesystem (raw) */ typedef __uint64_t xfs_drtbno_t; /* extent (block) in realtime area */ typedef __uint64_t xfs_dfiloff_t; /* block number in a file */ typedef __uint64_t xfs_dfilblks_t; /* number of blocks in a file */ /* * Memory based types are conditional. */ #if XFS_BIG_BLKNOS typedef __uint64_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */ typedef __uint64_t xfs_rfsblock_t; /* blockno in filesystem (raw) */ typedef __uint64_t xfs_rtblock_t; /* extent (block) in realtime area */ typedef __int64_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */ #else typedef __uint32_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */ typedef __uint32_t xfs_rfsblock_t; /* blockno in filesystem (raw) */ typedef __uint32_t xfs_rtblock_t; /* extent (block) in realtime area */ typedef __int32_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */ #endif typedef __uint64_t xfs_fileoff_t; /* block number in a file */ typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */ typedef __uint64_t xfs_filblks_t; /* number of blocks in a file */ typedef __uint8_t xfs_arch_t; /* architecture of an xfs fs */ /* * Null values for the types. */ #define NULLDFSBNO ((xfs_dfsbno_t)-1) #define NULLDRFSBNO ((xfs_drfsbno_t)-1) #define NULLDRTBNO ((xfs_drtbno_t)-1) #define NULLDFILOFF ((xfs_dfiloff_t)-1) #define NULLFSBLOCK ((xfs_fsblock_t)-1) #define NULLRFSBLOCK ((xfs_rfsblock_t)-1) #define NULLRTBLOCK ((xfs_rtblock_t)-1) #define NULLFILEOFF ((xfs_fileoff_t)-1) #define NULLAGBLOCK ((xfs_agblock_t)-1) #define NULLAGNUMBER ((xfs_agnumber_t)-1) #define NULLEXTNUM ((xfs_extnum_t)-1) #define NULLCOMMITLSN ((xfs_lsn_t)-1) /* * Max values for extlen, extnum, aextnum. */ #define MAXEXTLEN ((xfs_extlen_t)0x001fffff) /* 21 bits */ #define MAXEXTNUM ((xfs_extnum_t)0x7fffffff) /* signed int */ #define MAXAEXTNUM ((xfs_aextnum_t)0x7fff) /* signed short */ /* * MAXNAMELEN is the length (including the terminating null) of * the longest permissible file (component) name. */ #define MAXNAMELEN 256 typedef struct xfs_dirent { /* data from readdir() */ xfs_ino_t d_ino; /* inode number of entry */ xfs_off_t d_off; /* offset of disk directory entry */ unsigned short d_reclen; /* length of this record */ char d_name[1]; /* name of file */ } xfs_dirent_t; #define DIRENTBASESIZE (((xfs_dirent_t *)0)->d_name - (char *)0) #define DIRENTSIZE(namelen) \ ((DIRENTBASESIZE + (namelen) + \ sizeof(xfs_off_t)) & ~(sizeof(xfs_off_t) - 1)) typedef enum { XFS_LOOKUP_EQi, XFS_LOOKUP_LEi, XFS_LOOKUP_GEi } xfs_lookup_t; typedef enum { XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi, XFS_BTNUM_MAX } xfs_btnum_t; #endif /* __XFS_TYPES_H__ */ |