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 * $FreeBSD$ 31 */ 32 33 #ifndef _UFS_UFS_EXTERN_H_ 34 #define _UFS_UFS_EXTERN_H_ 35 36 struct componentname; 37 struct direct; 38 struct indir; 39 struct inode; 40 struct mount; 41 struct netcred; 42 struct thread; 43 struct sockaddr; 44 struct ucred; 45 struct ufid; 46 struct vfsconf; 47 struct vnode; 48 struct vop_bmap_args; 49 struct vop_cachedlookup_args; 50 struct vop_generic_args; 51 struct vop_inactive_args; 52 struct vop_reclaim_args; 53 54 extern struct vop_vector ufs_fifoops; 55 extern struct vop_vector ufs_vnodeops; 56 57 int ufs_bmap(struct vop_bmap_args *); 58 int ufs_bmaparray(struct vnode *, ufs2_daddr_t, ufs2_daddr_t *, 59 struct buf *, int *, int *); 60 int ufs_fhtovp(struct mount *, struct ufid *, struct vnode **); 61 int ufs_checkpath(struct inode *, struct inode *, struct ucred *); 62 void ufs_dirbad(struct inode *, doff_t, char *); 63 int ufs_dirbadentry(struct vnode *, struct direct *, int); 64 int ufs_dirempty(struct inode *, ino_t, struct ucred *); 65 int ufs_extread(struct vop_read_args *); 66 int ufs_extwrite(struct vop_write_args *); 67 void ufs_makedirentry(struct inode *, struct componentname *, 68 struct direct *); 69 int ufs_direnter(struct vnode *, struct vnode *, struct direct *, 70 struct componentname *, struct buf *); 71 int ufs_dirremove(struct vnode *, struct inode *, int, int); 72 int ufs_dirrewrite(struct inode *, struct inode *, ino_t, int, int); 73 int ufs_getlbns(struct vnode *, ufs2_daddr_t, struct indir *, int *); 74 int ufs_inactive(struct vop_inactive_args *); 75 int ufs_init(struct vfsconf *); 76 void ufs_itimes(struct vnode *vp); 77 int ufs_lookup(struct vop_cachedlookup_args *); 78 int ufs_readdir(struct vop_readdir_args *); 79 int ufs_reclaim(struct vop_reclaim_args *); 80 void ffs_snapgone(struct inode *); 81 vfs_root_t ufs_root; 82 int ufs_uninit(struct vfsconf *); 83 int ufs_vinit(struct mount *, struct vop_vector *, struct vnode **); 84 85 /* 86 * Soft update function prototypes. 87 */ 88 int softdep_setup_directory_add(struct buf *, struct inode *, off_t, 89 ino_t, struct buf *, int); 90 void softdep_change_directoryentry_offset(struct inode *, caddr_t, 91 caddr_t, caddr_t, int); 92 void softdep_setup_remove(struct buf *,struct inode *, struct inode *, int); 93 void softdep_setup_directory_change(struct buf *, struct inode *, 94 struct inode *, ino_t, int); 95 void softdep_change_linkcnt(struct inode *); 96 void softdep_releasefile(struct inode *); 97 int softdep_slowdown(struct vnode *); 98 99 /* 100 * Flags to low-level allocation routines. The low 16-bits are reserved 101 * for IO_ flags from vnode.h. 102 * 103 * Note: The general vfs code typically limits the sequential heuristic 104 * count to 127. See sequential_heuristic() in kern/vfs_vnops.c 105 */ 106 #define BA_CLRBUF 0x00010000 /* Clear invalid areas of buffer. */ 107 #define BA_METAONLY 0x00020000 /* Return indirect block buffer. */ 108 #define BA_SEQMASK 0x7F000000 /* Bits holding seq heuristic. */ 109 #define BA_SEQSHIFT 24 110 #define BA_SEQMAX 0x7F 111 112 #endif /* !_UFS_UFS_EXTERN_H_ */ 113