chfs_inode.h revision 1.4.2.2
1 1.4.2.2 yamt /* $NetBSD: chfs_inode.h,v 1.4.2.2 2012/04/17 00:08:54 yamt Exp $ */ 2 1.4.2.2 yamt 3 1.4.2.2 yamt /*- 4 1.4.2.2 yamt * Copyright (c) 2010 Department of Software Engineering, 5 1.4.2.2 yamt * University of Szeged, Hungary 6 1.4.2.2 yamt * Copyright (C) 2010 Tamas Toth <ttoth (at) inf.u-szeged.hu> 7 1.4.2.2 yamt * Copyright (C) 2010 Adam Hoka <ahoka (at) NetBSD.org> 8 1.4.2.2 yamt * All rights reserved. 9 1.4.2.2 yamt * 10 1.4.2.2 yamt * This code is derived from software contributed to The NetBSD Foundation 11 1.4.2.2 yamt * by the Department of Software Engineering, University of Szeged, Hungary 12 1.4.2.2 yamt * 13 1.4.2.2 yamt * Redistribution and use in source and binary forms, with or without 14 1.4.2.2 yamt * modification, are permitted provided that the following conditions 15 1.4.2.2 yamt * are met: 16 1.4.2.2 yamt * 1. Redistributions of source code must retain the above copyright 17 1.4.2.2 yamt * notice, this list of conditions and the following disclaimer. 18 1.4.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 19 1.4.2.2 yamt * notice, this list of conditions and the following disclaimer in the 20 1.4.2.2 yamt * documentation and/or other materials provided with the distribution. 21 1.4.2.2 yamt * 22 1.4.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 1.4.2.2 yamt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.4.2.2 yamt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.4.2.2 yamt * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 1.4.2.2 yamt * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 1.4.2.2 yamt * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 1.4.2.2 yamt * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 1.4.2.2 yamt * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 1.4.2.2 yamt * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 1.4.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 1.4.2.2 yamt * SUCH DAMAGE. 33 1.4.2.2 yamt */ 34 1.4.2.2 yamt 35 1.4.2.2 yamt #ifndef __CHFS_INODE_H__ 36 1.4.2.2 yamt #define __CHFS_INODE_H__ 37 1.4.2.2 yamt 38 1.4.2.2 yamt #ifdef _KERNEL 39 1.4.2.2 yamt #include <sys/vnode.h> 40 1.4.2.2 yamt #include <sys/stat.h> 41 1.4.2.2 yamt #include <ufs/ufs/ufsmount.h> 42 1.4.2.2 yamt #include <miscfs/genfs/genfs_node.h> 43 1.4.2.2 yamt #endif /* _KERNEL */ 44 1.4.2.2 yamt 45 1.4.2.2 yamt #define CHFS_ROOTINO 2 46 1.4.2.2 yamt 47 1.4.2.2 yamt /* chfs file types */ 48 1.4.2.2 yamt enum chtype { 49 1.4.2.2 yamt CHT_BLANK, /* empty type */ 50 1.4.2.2 yamt CHT_REG, /* regular file */ 51 1.4.2.2 yamt CHT_DIR, /* directory */ 52 1.4.2.2 yamt CHT_BLK, /* block device */ 53 1.4.2.2 yamt CHT_CHR, /* character device */ 54 1.4.2.2 yamt CHT_LNK, /* link */ 55 1.4.2.2 yamt CHT_SOCK, /* socket */ 56 1.4.2.2 yamt CHT_FIFO, /* fifo */ 57 1.4.2.2 yamt CHT_BAD /* bad type */ 58 1.4.2.2 yamt }; 59 1.4.2.2 yamt 60 1.4.2.2 yamt /* these macros are needed because the compatibility */ 61 1.4.2.2 yamt #define CHTTOVT(ch_type) ch_type 62 1.4.2.2 yamt #define VTTOCHT(v_type) v_type 63 1.4.2.2 yamt 64 1.4.2.2 yamt /* vtype replaced with chtype, these are only for compatibility */ 65 1.4.2.2 yamt static const enum chtype iftocht_tab[16] = { 66 1.4.2.2 yamt CHT_BLANK, CHT_FIFO, CHT_CHR, CHT_BLANK, 67 1.4.2.2 yamt CHT_DIR, CHT_BLANK, CHT_BLK, CHT_BLANK, 68 1.4.2.2 yamt CHT_REG, CHT_BLANK, CHT_LNK, CHT_BLANK, 69 1.4.2.2 yamt CHT_SOCK, CHT_BLANK, CHT_BLANK, CHT_BAD, 70 1.4.2.2 yamt }; 71 1.4.2.2 yamt 72 1.4.2.2 yamt #define IFTOCHT(mode) (iftocht_tab[((mode) & S_IFMT) >> 12]) 73 1.4.2.2 yamt 74 1.4.2.2 yamt #ifdef _KERNEL 75 1.4.2.2 yamt struct chfs_inode 76 1.4.2.2 yamt { 77 1.4.2.2 yamt struct genfs_node gnode; 78 1.4.2.2 yamt kmutex_t inode_lock; /* lock the fields of chfs_inode */ 79 1.4.2.2 yamt 80 1.4.2.2 yamt LIST_ENTRY(chfs_inode) hash_entry; /* Hash chain. */ 81 1.4.2.2 yamt 82 1.4.2.2 yamt struct ufsmount *ump; /* ufs mount - TODO we should remove it */ 83 1.4.2.2 yamt struct chfs_mount *chmp; /* chfs mount point - TODO we should remove it */ 84 1.4.2.2 yamt 85 1.4.2.2 yamt struct vnode *vp; /* vnode associated with this inode */ 86 1.4.2.2 yamt ino_t ino; /* vnode identifier number */ 87 1.4.2.2 yamt 88 1.4.2.2 yamt struct vnode *devvp; /* vnode for block I/O */ 89 1.4.2.2 yamt dev_t dev; /* device associated with the inode */ 90 1.4.2.2 yamt 91 1.4.2.2 yamt struct chfs_vnode_cache *chvc; /* vnode cache of this node */ 92 1.4.2.2 yamt 93 1.4.2.2 yamt struct chfs_dirent *fd; /* full dirent of this node */ 94 1.4.2.2 yamt // struct chfs_dirent *dents; /* directory entries */ 95 1.4.2.2 yamt struct chfs_dirent_list dents; 96 1.4.2.2 yamt 97 1.4.2.2 yamt struct rb_tree fragtree; /* fragtree of inode */ 98 1.4.2.2 yamt 99 1.4.2.2 yamt uint64_t version; /* version number */ 100 1.4.2.2 yamt //uint64_t highest_version; /* highest vers. num. (used at data nodes) */ 101 1.4.2.2 yamt 102 1.4.2.2 yamt uint32_t mode; /* mode */ 103 1.4.2.2 yamt enum chtype ch_type; /* chfs file type */ 104 1.4.2.2 yamt //int16_t nlink; /* link count */ 105 1.4.2.2 yamt uint64_t size; /* file byte count */ 106 1.4.2.2 yamt uint64_t write_size; /* increasing while write the file out to the flash */ 107 1.4.2.2 yamt uint32_t uid; /* file owner */ 108 1.4.2.2 yamt uint32_t gid; /* file group */ 109 1.4.2.2 yamt uint32_t atime; /* access time */ 110 1.4.2.2 yamt uint32_t mtime; /* modify time */ 111 1.4.2.2 yamt uint32_t ctime; /* creation time */ 112 1.4.2.2 yamt 113 1.4.2.2 yamt uint32_t iflag; /* flags, see below */ 114 1.4.2.2 yamt uint32_t flags; /* status flags (chflags) */ 115 1.4.2.2 yamt 116 1.4.2.2 yamt dev_t rdev; /* used if type is VCHR or VBLK or VFIFO*/ 117 1.4.2.2 yamt char *target; /* used if type is VLNK */ 118 1.4.2.2 yamt }; 119 1.4.2.2 yamt 120 1.4.2.2 yamt /* These flags are kept in chfs_inode->iflag. */ 121 1.4.2.2 yamt #define IN_ACCESS 0x0001 /* Access time update request. */ 122 1.4.2.2 yamt #define IN_CHANGE 0x0002 /* Inode change time update request. */ 123 1.4.2.2 yamt #define IN_UPDATE 0x0004 /* Inode was written to; update mtime. */ 124 1.4.2.2 yamt #define IN_MODIFY 0x2000 /* Modification time update request. */ 125 1.4.2.2 yamt #define IN_MODIFIED 0x0008 /* Inode has been modified. */ 126 1.4.2.2 yamt #define IN_ACCESSED 0x0010 /* Inode has been accessed. */ 127 1.4.2.2 yamt #define IN_RENAME 0x0020 /* Inode is being renamed. */ 128 1.4.2.2 yamt #define IN_SHLOCK 0x0040 /* File has shared lock. */ 129 1.4.2.2 yamt #define IN_EXLOCK 0x0080 /* File has exclusive lock. */ 130 1.4.2.2 yamt #define IN_CLEANING 0x0100 /* LFS: file is being cleaned */ 131 1.4.2.2 yamt #define IN_ADIROP 0x0200 /* LFS: dirop in progress */ 132 1.4.2.2 yamt #define IN_SPACECOUNTED 0x0400 /* Blocks to be freed in free count. */ 133 1.4.2.2 yamt #define IN_PAGING 0x1000 /* LFS: file is on paging queue */ 134 1.4.2.2 yamt 135 1.4.2.2 yamt 136 1.4.2.2 yamt #ifdef VTOI 137 1.4.2.2 yamt # undef VTOI 138 1.4.2.2 yamt #endif 139 1.4.2.2 yamt #ifdef ITOV 140 1.4.2.2 yamt # undef ITOV 141 1.4.2.2 yamt #endif 142 1.4.2.2 yamt 143 1.4.2.2 yamt #define VTOI(vp) ((struct chfs_inode *)(vp)->v_data) 144 1.4.2.2 yamt #define ITOV(ip) ((ip)->vp) 145 1.4.2.2 yamt 146 1.4.2.2 yamt /* copied from ufs_dinode.h */ 147 1.4.2.2 yamt #define NDADDR 12 /* Direct addresses in inode. */ 148 1.4.2.2 yamt 149 1.4.2.2 yamt #define ROOTINO ((ino_t)2) 150 1.4.2.2 yamt 151 1.4.2.2 yamt /* File permissions. */ 152 1.4.2.2 yamt #define IEXEC 0000100 /* Executable. */ 153 1.4.2.2 yamt #define IWRITE 0000200 /* Writable. */ 154 1.4.2.2 yamt #define IREAD 0000400 /* Readable. */ 155 1.4.2.2 yamt #define ISVTX 0001000 /* Sticky bit. */ 156 1.4.2.2 yamt #define ISGID 0002000 /* Set-gid. */ 157 1.4.2.2 yamt #define ISUID 0004000 /* Set-uid. */ 158 1.4.2.2 yamt 159 1.4.2.2 yamt /* File types. */ 160 1.4.2.2 yamt #define IFMT 0170000 /* Mask of file type. */ 161 1.4.2.2 yamt #define IFIFO 0010000 /* Named pipe (fifo). */ 162 1.4.2.2 yamt #define IFCHR 0020000 /* Character device. */ 163 1.4.2.2 yamt #define IFDIR 0040000 /* Directory file. */ 164 1.4.2.2 yamt #define IFBLK 0060000 /* Block device. */ 165 1.4.2.2 yamt #define IFREG 0100000 /* Regular file. */ 166 1.4.2.2 yamt #define IFLNK 0120000 /* Symbolic link. */ 167 1.4.2.2 yamt #define IFSOCK 0140000 /* UNIX domain socket. */ 168 1.4.2.2 yamt #define IFWHT 0160000 /* Whiteout. */ 169 1.4.2.2 yamt 170 1.4.2.2 yamt #endif /* _KERNEL */ 171 1.4.2.2 yamt #endif /* __CHFS_INODE_H__ */ 172
Indexes created Tue Oct 14 08:09:56 GMT 2025