ffs_extern.h revision 34266
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 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95 34 * $Id: ffs_extern.h,v 1.22 1998/02/03 21:52:00 bde Exp $ 35 */ 36 37#ifndef _UFS_FFS_EXTERN_H 38#define _UFS_FFS_EXTERN_H 39 40/* 41 * Sysctl values for the fast filesystem. 42 */ 43#define FFS_REALLOCBLKS 3 /* block reallocation enabled */ 44#define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ 45#define FFS_MAXID 5 /* number of valid ffs ids */ 46 47#define FFS_NAMES { \ 48 { 0, 0 }, \ 49 { 0, 0 }, \ 50 { 0, 0 }, \ 51 { "doreallocblks", CTLTYPE_INT }, \ 52 { "doasyncfree", CTLTYPE_INT }, \ 53} 54 55struct buf; 56struct fid; 57struct fs; 58struct inode; 59struct malloc_type; 60struct mount; 61struct proc; 62struct sockaddr; 63struct statfs; 64struct ucred; 65struct vnode; 66struct vop_bmap_args; 67struct vop_reallocblks_args; 68 69int ffs_alloc __P((struct inode *, 70 ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *)); 71int ffs_balloc __P((struct vop_balloc_args *)); 72int ffs_blkatoff __P((struct vnode *, off_t, char **, struct buf **)); 73void ffs_blkfree __P((struct inode *, ufs_daddr_t, long)); 74ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *)); 75int ffs_bmap __P((struct vop_bmap_args *)); 76void ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t)); 77int ffs_fhtovp __P((struct mount *, struct fid *, struct sockaddr *, 78 struct vnode **, int *, struct ucred **)); 79int ffs_flushfiles __P((struct mount *, int, struct proc *)); 80void ffs_fragacct __P((struct fs *, int, int32_t [], int)); 81int ffs_freefile __P(( struct vnode *, ino_t, int )); 82int ffs_isblock __P((struct fs *, u_char *, ufs_daddr_t)); 83int ffs_isfreeblock __P((struct fs *, unsigned char *, ufs_daddr_t)); 84int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *, 85 struct malloc_type *)); 86int ffs_mountroot __P((void)); 87int ffs_reallocblks __P((struct vop_reallocblks_args *)); 88int ffs_realloccg __P((struct inode *, 89 ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **)); 90void ffs_setblock __P((struct fs *, u_char *, ufs_daddr_t)); 91int ffs_statfs __P((struct mount *, struct statfs *, struct proc *)); 92int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 93int ffs_truncate __P((struct vnode *, off_t, int, struct ucred *, struct proc *)); 94int ffs_unmount __P((struct mount *, int, struct proc *)); 95int ffs_update __P((struct vnode *, struct timeval *, struct timeval *, int)); 96int ffs_valloc __P((struct vnode *, int, struct ucred *, struct vnode **)); 97 98int ffs_vfree __P((struct vnode *, ino_t, int)); 99int ffs_vget __P((struct mount *, ino_t, struct vnode **)); 100int ffs_vptofh __P((struct vnode *, struct fid *)); 101 102extern vop_t **ffs_vnodeop_p; 103extern vop_t **ffs_specop_p; 104extern vop_t **ffs_fifoop_p; 105 106/* 107 * Soft update function prototypes. 108 */ 109void softdep_initialize __P((void)); 110int softdep_process_worklist __P((struct mount *)); 111int softdep_mount __P((struct vnode *, struct mount *, struct fs *, 112 struct ucred *)); 113int softdep_flushfiles __P((struct mount *, int, struct proc *)); 114void softdep_update_inodeblock __P((struct inode *, struct buf *, int)); 115void softdep_load_inodeblock __P((struct inode *)); 116int softdep_fsync __P((struct vnode *)); 117void softdep_freefile __P((struct vnode *, ino_t, int)); 118void softdep_setup_freeblocks __P((struct inode *, off_t)); 119void softdep_deallocate_dependencies __P((struct buf *)); 120void softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t)); 121void softdep_setup_blkmapdep __P((struct buf *, struct fs *, ufs_daddr_t)); 122void softdep_setup_allocdirect __P((struct inode *, ufs_lbn_t, ufs_daddr_t, 123 ufs_daddr_t, long, long, struct buf *)); 124void softdep_setup_allocindir_meta __P((struct buf *, struct inode *, 125 struct buf *, int, ufs_daddr_t)); 126void softdep_setup_allocindir_page __P((struct inode *, ufs_lbn_t, 127 struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *)); 128void softdep_disk_io_initiation __P((struct buf *)); 129void softdep_disk_write_complete __P((struct buf *)); 130int softdep_sync_metadata __P((struct vop_fsync_args *)); 131 132#endif /* !_UFS_FFS_EXTERN_H */ 133 134