ufs_extern.h revision 262779
1/*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)ufs_extern.h 8.10 (Berkeley) 5/14/95 30 * $FreeBSD: stable/10/sys/ufs/ufs/ufs_extern.h 262779 2014-03-05 04:23:19Z pfg $ 31 */ 32 33#ifndef _UFS_UFS_EXTERN_H_ 34#define _UFS_UFS_EXTERN_H_ 35 36struct componentname; 37struct direct; 38struct indir; 39struct inode; 40struct mount; 41struct thread; 42struct sockaddr; 43struct ucred; 44struct ufid; 45struct vfsconf; 46struct vnode; 47struct vop_bmap_args; 48struct vop_cachedlookup_args; 49struct vop_generic_args; 50struct vop_inactive_args; 51struct vop_reclaim_args; 52 53extern struct vop_vector ufs_fifoops; 54extern struct vop_vector ufs_vnodeops; 55 56int ufs_bmap(struct vop_bmap_args *); 57int ufs_bmaparray(struct vnode *, ufs2_daddr_t, ufs2_daddr_t *, 58 struct buf *, int *, int *); 59int ufs_fhtovp(struct mount *, struct ufid *, int, struct vnode **); 60int ufs_checkpath(ino_t, ino_t, struct inode *, struct ucred *, ino_t *); 61void ufs_dirbad(struct inode *, doff_t, char *); 62int ufs_dirbadentry(struct vnode *, struct direct *, int); 63int ufs_dirempty(struct inode *, ino_t, struct ucred *); 64int ufs_extread(struct vop_read_args *); 65int ufs_extwrite(struct vop_write_args *); 66void ufs_makedirentry(struct inode *, struct componentname *, 67 struct direct *); 68int ufs_direnter(struct vnode *, struct vnode *, struct direct *, 69 struct componentname *, struct buf *, int); 70int ufs_dirremove(struct vnode *, struct inode *, int, int); 71int ufs_dirrewrite(struct inode *, struct inode *, ino_t, int, int); 72int ufs_lookup_ino(struct vnode *, struct vnode **, struct componentname *, 73 ino_t *); 74int ufs_getlbns(struct vnode *, ufs2_daddr_t, struct indir *, int *); 75int ufs_inactive(struct vop_inactive_args *); 76int ufs_init(struct vfsconf *); 77void ufs_itimes(struct vnode *vp); 78int ufs_lookup(struct vop_cachedlookup_args *); 79void ufs_prepare_reclaim(struct vnode *vp); 80int ufs_readdir(struct vop_readdir_args *); 81int ufs_reclaim(struct vop_reclaim_args *); 82void ffs_snapgone(struct inode *); 83vfs_root_t ufs_root; 84int ufs_uninit(struct vfsconf *); 85int ufs_vinit(struct mount *, struct vop_vector *, struct vnode **); 86 87#include <sys/sysctl.h> 88SYSCTL_DECL(_vfs_ufs); 89 90/* 91 * Soft update function prototypes. 92 */ 93int softdep_setup_directory_add(struct buf *, struct inode *, off_t, 94 ino_t, struct buf *, int); 95void softdep_change_directoryentry_offset(struct buf *, struct inode *, 96 caddr_t, caddr_t, caddr_t, int); 97void softdep_setup_remove(struct buf *,struct inode *, struct inode *, int); 98void softdep_setup_directory_change(struct buf *, struct inode *, 99 struct inode *, ino_t, int); 100void softdep_change_linkcnt(struct inode *); 101int softdep_slowdown(struct vnode *); 102void softdep_setup_create(struct inode *, struct inode *); 103void softdep_setup_dotdot_link(struct inode *, struct inode *); 104void softdep_setup_link(struct inode *, struct inode *); 105void softdep_setup_mkdir(struct inode *, struct inode *); 106void softdep_setup_rmdir(struct inode *, struct inode *); 107void softdep_setup_unlink(struct inode *, struct inode *); 108void softdep_revert_create(struct inode *, struct inode *); 109void softdep_revert_link(struct inode *, struct inode *); 110void softdep_revert_mkdir(struct inode *, struct inode *); 111void softdep_revert_rmdir(struct inode *, struct inode *); 112 113/* 114 * Flags to low-level allocation routines. The low 16-bits are reserved 115 * for IO_ flags from vnode.h. 116 * 117 * Note: The general vfs code typically limits the sequential heuristic 118 * count to 127. See sequential_heuristic() in kern/vfs_vnops.c 119 */ 120#define BA_CLRBUF 0x00010000 /* Clear invalid areas of buffer. */ 121#define BA_METAONLY 0x00020000 /* Return indirect block buffer. */ 122#define BA_UNMAPPED 0x00040000 /* Do not mmap resulted buffer. */ 123#define BA_SEQMASK 0x7F000000 /* Bits holding seq heuristic. */ 124#define BA_SEQSHIFT 24 125#define BA_SEQMAX 0x7F 126 127#endif /* !_UFS_UFS_EXTERN_H_ */ 128