/* $NetBSD: filecore_node.h,v 1.5 2009/03/14 14:46:09 dsl Exp $ */ /*- * Copyright (c) 1994 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * filecore_node.h 1.1 1998/6/26 */ /*- * Copyright (c) 1998 Andrew McMurry * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * filecore_node.h 1.1 1998/6/26 */ #if !defined(_KERNEL) #error not supposed to be exposed to userland. #endif #include /* * In a future format, directories may be more than 2Gb in length, * however, in practice this seems unlikely. So, we define * the type doff_t as a long to keep down the cost of doing * lookup on a 32-bit machine. If you are porting to a 64-bit * architecture, you should make doff_t the same as off_t. */ #define doff_t long struct filecore_node { struct genfs_node i_gnode; LIST_ENTRY(filecore_node) i_hash; struct vnode *i_vnode; /* vnode associated with this inode */ struct vnode *i_devvp; /* vnode for block I/O */ u_long i_flag; /* see below */ dev_t i_dev; /* device where inode resides */ ino_t i_number; /* the identity of the inode */ daddr_t i_block; /* the disc address of the file */ ino_t i_parent; /* the ino of the file's parent */ struct filecore_mnt *i_mnt; /* filesystem associated with this inode */ struct lockf *i_lockf; /* head of byte-level lock list */ int i_diroff; /* offset in dir, where we found last entry */ struct filecore_direntry i_dirent; /* directory entry */ }; #define i_forw i_chain[0] #define i_back i_chain[1] #define i_size i_dirent.len /* flags */ #define IN_ACCESS 0x0020 /* inode access time to be updated */ #define VTOI(vp) ((struct filecore_node *)(vp)->v_data) #define ITOV(ip) ((ip)->i_vnode) #define filecore_staleinode(ip) ((ip)->i_dirent.name[0]==0) /* * Prototypes for Filecore vnode operations */ int filecore_lookup(void *); #define filecore_open genfs_nullop #define filecore_close genfs_nullop int filecore_access(void *); int filecore_getattr(void *); int filecore_read(void *); #define filecore_poll genfs_poll #define filecore_mmap genfs_mmap #define filecore_seek genfs_seek int filecore_readdir(void *); int filecore_readlink(void *); #define filecore_abortop genfs_abortop int filecore_inactive(void *); int filecore_reclaim(void *); int filecore_link(void *); int filecore_symlink(void *); int filecore_bmap(void *); int filecore_strategy(void *); int filecore_print(void *); int filecore_pathconf(void *); int filecore_blkatoff(void *); struct vnode *filecore_ihashget(dev_t, ino_t); void filecore_ihashins(struct filecore_node *); void filecore_ihashrem(struct filecore_node *); mode_t filecore_mode(struct filecore_node *); struct timespec filecore_time(struct filecore_node *); ino_t filecore_getparent(struct filecore_node *); int filecore_fn2unix(char *, char *, u_int16_t *); int filecore_fncmp(const char *, const char *, u_short); int filecore_dbread(struct filecore_node *, struct buf **);