1/* 2 * Copyright (c) 1982, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)inode.h 8.9 (Berkeley) 5/14/95
| 1/* 2 * Copyright (c) 1982, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)inode.h 8.9 (Berkeley) 5/14/95
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81 /* 82 * Side effects; used during directory lookup. 83 */ 84 int32_t i_count; /* Size of free slot in directory. */ 85 doff_t i_endoff; /* End of useful stuff in directory. */ 86 doff_t i_diroff; /* Offset in dir, where we found last entry. */ 87 doff_t i_offset; /* Offset of free space in directory. */ 88 ino_t i_ino; /* Inode number of found directory. */ 89 u_int32_t i_reclen; /* Size of found directory entry. */ 90 int i_spare[5]; /* XXX actually non-spare (for ext2fs). */ 91 /* 92 * The on-disk dinode itself. 93 */ 94 struct dinode i_din; /* 128 bytes of the on-disk dinode. */ 95}; 96 97#define i_atime i_din.di_atime 98#define i_atimensec i_din.di_atimensec 99#define i_blocks i_din.di_blocks 100#define i_ctime i_din.di_ctime 101#define i_ctimensec i_din.di_ctimensec 102#define i_db i_din.di_db 103#define i_flags i_din.di_flags 104#define i_gen i_din.di_gen 105#define i_gid i_din.di_gid 106#define i_ib i_din.di_ib 107#define i_mode i_din.di_mode 108#define i_mtime i_din.di_mtime 109#define i_mtimensec i_din.di_mtimensec 110#define i_nlink i_din.di_nlink 111#define i_rdev i_din.di_rdev 112#define i_shortlink i_din.di_shortlink 113#define i_size i_din.di_size 114#define i_uid i_din.di_uid 115 116/* These flags are kept in i_flag. */ 117#define IN_ACCESS 0x0001 /* Access time update request. */ 118#define IN_CHANGE 0x0002 /* Inode change time update request. */ 119#define IN_UPDATE 0x0004 /* Modification time update request. */ 120#define IN_MODIFIED 0x0008 /* Inode has been modified. */ 121#define IN_RENAME 0x0010 /* Inode is being renamed. */ 122#define IN_SHLOCK 0x0020 /* File has shared lock. */ 123#define IN_EXLOCK 0x0040 /* File has exclusive lock. */ 124#define IN_HASHED 0x0080 /* Inode is on hash list */ 125 126#ifdef KERNEL 127/* 128 * Structure used to pass around logical block paths generated by 129 * ufs_getlbns and used by truncate and bmap code. 130 */ 131struct indir { 132 ufs_daddr_t in_lbn; /* Logical block number. */ 133 int in_off; /* Offset in buffer. */ 134 int in_exists; /* Flag if the block exists. */ 135}; 136 137/* Convert between inode pointers and vnode pointers. */ 138#define VTOI(vp) ((struct inode *)(vp)->v_data) 139#define ITOV(ip) ((ip)->i_vnode) 140 141/* 142 * XXX this is too long to be a macro, and isn't used in any time-critical 143 * place; in fact it is only used in ufs_vnops.c so it shouldn't be in a 144 * header file. 145 */ 146#define ITIMES(ip, t1, t2) { \ 147 long tv_sec = time.tv_sec; \ 148 if ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE)) { \ 149 (ip)->i_flag |= IN_MODIFIED; \ 150 if ((ip)->i_flag & IN_ACCESS) \ 151 (ip)->i_atime \ 152 = ((t1) == &time ? tv_sec : (t1)->tv_sec); \ 153 if ((ip)->i_flag & IN_UPDATE) { \ 154 (ip)->i_mtime \ 155 = ((t2) == &time ? tv_sec : (t2)->tv_sec); \ 156 (ip)->i_modrev++; \ 157 } \ 158 if ((ip)->i_flag & IN_CHANGE) \ 159 (ip)->i_ctime = tv_sec; \ 160 (ip)->i_flag &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE); \ 161 } \ 162} 163 164/* This overlays the fid structure (see mount.h). */ 165struct ufid { 166 u_int16_t ufid_len; /* Length of structure. */ 167 u_int16_t ufid_pad; /* Force 32-bit alignment. */ 168 ino_t ufid_ino; /* File number (ino). */ 169 int32_t ufid_gen; /* Generation number. */ 170}; 171#endif /* KERNEL */ 172 173#endif /* !_UFS_UFS_INODE_H_ */
| 81 /* 82 * Side effects; used during directory lookup. 83 */ 84 int32_t i_count; /* Size of free slot in directory. */ 85 doff_t i_endoff; /* End of useful stuff in directory. */ 86 doff_t i_diroff; /* Offset in dir, where we found last entry. */ 87 doff_t i_offset; /* Offset of free space in directory. */ 88 ino_t i_ino; /* Inode number of found directory. */ 89 u_int32_t i_reclen; /* Size of found directory entry. */ 90 int i_spare[5]; /* XXX actually non-spare (for ext2fs). */ 91 /* 92 * The on-disk dinode itself. 93 */ 94 struct dinode i_din; /* 128 bytes of the on-disk dinode. */ 95}; 96 97#define i_atime i_din.di_atime 98#define i_atimensec i_din.di_atimensec 99#define i_blocks i_din.di_blocks 100#define i_ctime i_din.di_ctime 101#define i_ctimensec i_din.di_ctimensec 102#define i_db i_din.di_db 103#define i_flags i_din.di_flags 104#define i_gen i_din.di_gen 105#define i_gid i_din.di_gid 106#define i_ib i_din.di_ib 107#define i_mode i_din.di_mode 108#define i_mtime i_din.di_mtime 109#define i_mtimensec i_din.di_mtimensec 110#define i_nlink i_din.di_nlink 111#define i_rdev i_din.di_rdev 112#define i_shortlink i_din.di_shortlink 113#define i_size i_din.di_size 114#define i_uid i_din.di_uid 115 116/* These flags are kept in i_flag. */ 117#define IN_ACCESS 0x0001 /* Access time update request. */ 118#define IN_CHANGE 0x0002 /* Inode change time update request. */ 119#define IN_UPDATE 0x0004 /* Modification time update request. */ 120#define IN_MODIFIED 0x0008 /* Inode has been modified. */ 121#define IN_RENAME 0x0010 /* Inode is being renamed. */ 122#define IN_SHLOCK 0x0020 /* File has shared lock. */ 123#define IN_EXLOCK 0x0040 /* File has exclusive lock. */ 124#define IN_HASHED 0x0080 /* Inode is on hash list */ 125 126#ifdef KERNEL 127/* 128 * Structure used to pass around logical block paths generated by 129 * ufs_getlbns and used by truncate and bmap code. 130 */ 131struct indir { 132 ufs_daddr_t in_lbn; /* Logical block number. */ 133 int in_off; /* Offset in buffer. */ 134 int in_exists; /* Flag if the block exists. */ 135}; 136 137/* Convert between inode pointers and vnode pointers. */ 138#define VTOI(vp) ((struct inode *)(vp)->v_data) 139#define ITOV(ip) ((ip)->i_vnode) 140 141/* 142 * XXX this is too long to be a macro, and isn't used in any time-critical 143 * place; in fact it is only used in ufs_vnops.c so it shouldn't be in a 144 * header file. 145 */ 146#define ITIMES(ip, t1, t2) { \ 147 long tv_sec = time.tv_sec; \ 148 if ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE)) { \ 149 (ip)->i_flag |= IN_MODIFIED; \ 150 if ((ip)->i_flag & IN_ACCESS) \ 151 (ip)->i_atime \ 152 = ((t1) == &time ? tv_sec : (t1)->tv_sec); \ 153 if ((ip)->i_flag & IN_UPDATE) { \ 154 (ip)->i_mtime \ 155 = ((t2) == &time ? tv_sec : (t2)->tv_sec); \ 156 (ip)->i_modrev++; \ 157 } \ 158 if ((ip)->i_flag & IN_CHANGE) \ 159 (ip)->i_ctime = tv_sec; \ 160 (ip)->i_flag &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE); \ 161 } \ 162} 163 164/* This overlays the fid structure (see mount.h). */ 165struct ufid { 166 u_int16_t ufid_len; /* Length of structure. */ 167 u_int16_t ufid_pad; /* Force 32-bit alignment. */ 168 ino_t ufid_ino; /* File number (ino). */ 169 int32_t ufid_gen; /* Generation number. */ 170}; 171#endif /* KERNEL */ 172 173#endif /* !_UFS_UFS_INODE_H_ */
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