1 /* $NetBSD: filecore_node.h,v 1.6 2014/10/04 13:27:24 hannken Exp $ */ 2 3 /*- 4 * Copyright (c) 1994 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * filecore_node.h 1.1 1998/6/26 32 */ 33 34 /*- 35 * Copyright (c) 1998 Andrew McMurry 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. All advertising materials mentioning features or use of this software 46 * must display the following acknowledgement: 47 * This product includes software developed by the University of 48 * California, Berkeley and its contributors. 49 * 4. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 * 65 * filecore_node.h 1.1 1998/6/26 66 */ 67 68 #if !defined(_KERNEL) 69 #error not supposed to be exposed to userland. 70 #endif 71 72 #include <miscfs/genfs/genfs_node.h> 73 74 /* 75 * In a future format, directories may be more than 2Gb in length, 76 * however, in practice this seems unlikely. So, we define 77 * the type doff_t as a long to keep down the cost of doing 78 * lookup on a 32-bit machine. If you are porting to a 64-bit 79 * architecture, you should make doff_t the same as off_t. 80 */ 81 #define doff_t long 82 83 struct filecore_node { 84 struct genfs_node i_gnode; 85 LIST_ENTRY(filecore_node) i_hash; 86 struct vnode *i_vnode; /* vnode associated with this inode */ 87 struct vnode *i_devvp; /* vnode for block I/O */ 88 u_long i_flag; /* see below */ 89 dev_t i_dev; /* device where inode resides */ 90 ino_t i_number; /* the identity of the inode */ 91 daddr_t i_block; /* the disc address of the file */ 92 ino_t i_parent; /* the ino of the file's parent */ 93 94 struct filecore_mnt *i_mnt; /* filesystem associated with this inode */ 95 struct lockf *i_lockf; /* head of byte-level lock list */ 96 int i_diroff; /* offset in dir, where we found last entry */ 97 98 struct filecore_direntry i_dirent; /* directory entry */ 99 }; 100 101 #define i_size i_dirent.len 102 103 /* flags */ 104 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 105 106 #define VTOI(vp) ((struct filecore_node *)(vp)->v_data) 107 #define ITOV(ip) ((ip)->i_vnode) 108 109 #define filecore_staleinode(ip) ((ip)->i_dirent.name[0]==0) 110 111 /* 112 * Prototypes for Filecore vnode operations 113 */ 114 int filecore_lookup(void *); 115 #define filecore_open genfs_nullop 116 #define filecore_close genfs_nullop 117 int filecore_access(void *); 118 int filecore_getattr(void *); 119 int filecore_read(void *); 120 #define filecore_poll genfs_poll 121 #define filecore_mmap genfs_mmap 122 #define filecore_seek genfs_seek 123 int filecore_readdir(void *); 124 int filecore_readlink(void *); 125 #define filecore_abortop genfs_abortop 126 int filecore_inactive(void *); 127 int filecore_reclaim(void *); 128 int filecore_link(void *); 129 int filecore_symlink(void *); 130 int filecore_bmap(void *); 131 int filecore_strategy(void *); 132 int filecore_print(void *); 133 int filecore_pathconf(void *); 134 int filecore_blkatoff(void *); 135 136 mode_t filecore_mode(struct filecore_node *); 137 struct timespec filecore_time(struct filecore_node *); 138 ino_t filecore_getparent(struct filecore_node *); 139 int filecore_fn2unix(char *, char *, u_int16_t *); 140 int filecore_fncmp(const char *, const char *, u_short); 141 int filecore_dbread(struct filecore_node *, struct buf **); 142