chfs_inode.h revision 1.1
1 /* $NetBSD: chfs_inode.h,v 1.1 2011/11/24 15:51:31 ahoka Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 Department of Software Engineering, 5 * University of Szeged, Hungary 6 * Copyright (C) 2010 Tamas Toth <ttoth (at) inf.u-szeged.hu> 7 * Copyright (C) 2010 Adam Hoka <ahoka (at) NetBSD.org> 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to The NetBSD Foundation 11 * by the Department of Software Engineering, University of Szeged, Hungary 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef __CHFS_INODE_H__ 36 #define __CHFS_INODE_H__ 37 38 #include <sys/vnode.h> 39 #include <sys/stat.h> 40 #include <ufs/ufs/ufsmount.h> 41 #include <miscfs/genfs/genfs_node.h> 42 43 struct chfs_inode 44 { 45 kmutex_t inode_lock; /* lock the fields of chfs_inode */ 46 47 LIST_ENTRY(chfs_inode) hash_entry; /* Hash chain. */ 48 49 struct ufsmount *ump; /* ufs mount - TODO we should remove it */ 50 struct chfs_mount *chmp; /* chfs mount point - TODO we should remove it */ 51 52 struct vnode *vp; /* vnode associated with this inode */ 53 ino_t ino; /* vnode identifier number */ 54 55 struct vnode *devvp; /* vnode for block I/O */ 56 dev_t dev; /* device associated with the inode */ 57 58 struct chfs_vnode_cache *chvc; /* vnode cache of this node */ 59 60 struct chfs_dirent *fd; /* full dirent of this node */ 61 // struct chfs_dirent *dents; /* directory entries */ 62 struct chfs_dirent_list dents; 63 64 struct rb_tree fragtree; /* fragtree of inode */ 65 66 uint64_t version; /* version number */ 67 //uint64_t highest_version; /* highest vers. num. (used at data nodes) */ 68 69 uint32_t mode; /* mode */ 70 //int16_t nlink; /* link count */ 71 uint64_t size; /* file byte count */ 72 uint64_t write_size; /* increasing while write the file out to the flash */ 73 uint32_t uid; /* file owner */ 74 uint32_t gid; /* file group */ 75 uint32_t atime; /* access time */ 76 uint32_t mtime; /* modify time */ 77 uint32_t ctime; /* creation time */ 78 79 uint32_t iflag; /* flags, see below */ 80 uint32_t flags; /* status flags (chflags) */ 81 82 dev_t rdev; /* used if type is VCHR or VBLK or VFIFO*/ 83 char *target; /* used if type is VLNK */ 84 }; 85 86 /* These flags are kept in chfs_inode->iflag. */ 87 #define IN_ACCESS 0x0001 /* Access time update request. */ 88 #define IN_CHANGE 0x0002 /* Inode change time update request. */ 89 #define IN_UPDATE 0x0004 /* Inode was written to; update mtime. */ 90 #define IN_MODIFY 0x2000 /* Modification time update request. */ 91 #define IN_MODIFIED 0x0008 /* Inode has been modified. */ 92 #define IN_ACCESSED 0x0010 /* Inode has been accessed. */ 93 #define IN_RENAME 0x0020 /* Inode is being renamed. */ 94 #define IN_SHLOCK 0x0040 /* File has shared lock. */ 95 #define IN_EXLOCK 0x0080 /* File has exclusive lock. */ 96 #define IN_CLEANING 0x0100 /* LFS: file is being cleaned */ 97 #define IN_ADIROP 0x0200 /* LFS: dirop in progress */ 98 #define IN_SPACECOUNTED 0x0400 /* Blocks to be freed in free count. */ 99 #define IN_PAGING 0x1000 /* LFS: file is on paging queue */ 100 101 102 #ifdef VTOI 103 # undef VTOI 104 #endif 105 #ifdef ITOV 106 # undef ITOV 107 #endif 108 109 #define VTOI(vp) ((struct chfs_inode *)(vp)->v_data) 110 #define ITOV(ip) ((ip)->vp) 111 112 /* copied from ufs_dinode.h */ 113 #define NDADDR 12 /* Direct addresses in inode. */ 114 115 #define ROOTINO ((ino_t)2) 116 117 /* File permissions. */ 118 #define IEXEC 0000100 /* Executable. */ 119 #define IWRITE 0000200 /* Writable. */ 120 #define IREAD 0000400 /* Readable. */ 121 #define ISVTX 0001000 /* Sticky bit. */ 122 #define ISGID 0002000 /* Set-gid. */ 123 #define ISUID 0004000 /* Set-uid. */ 124 125 /* File types. */ 126 #define IFMT 0170000 /* Mask of file type. */ 127 #define IFIFO 0010000 /* Named pipe (fifo). */ 128 #define IFCHR 0020000 /* Character device. */ 129 #define IFDIR 0040000 /* Directory file. */ 130 #define IFBLK 0060000 /* Block device. */ 131 #define IFREG 0100000 /* Regular file. */ 132 #define IFLNK 0120000 /* Symbolic link. */ 133 #define IFSOCK 0140000 /* UNIX domain socket. */ 134 #define IFWHT 0160000 /* Whiteout. */ 135 136 #endif /* __CHFS_INODE_H__ */ 137
Indexes created Sun Sep 28 07:09:56 GMT 2025