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 * $FreeBSD$ 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 55 struct buf; 56 struct fid; 57 struct fs; 58 struct inode; 59 struct malloc_type; 60 struct mount; 61 struct proc; 62 struct sockaddr; 63 struct statfs; 64 struct ucred; 65 struct vnode; 66 struct vop_balloc_args; 67 struct vop_bmap_args; 68 struct vop_fsync_args; 69 struct vop_reallocblks_args; 70 struct vop_copyonwrite_args; 71 72 int ffs_alloc __P((struct inode *, 73 ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *)); 74 int ffs_balloc __P((struct vop_balloc_args *)); 75 int ffs_blkatoff __P((struct vnode *, off_t, char **, struct buf **)); 76 void ffs_blkfree __P((struct inode *, ufs_daddr_t, long)); 77 ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *)); 78 int ffs_bmap __P((struct vop_bmap_args *)); 79 void ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t)); 80 int ffs_copyonwrite __P((struct vop_copyonwrite_args *ap)); 81 int ffs_fhtovp __P((struct mount *, struct fid *, struct vnode **)); 82 int ffs_flushfiles __P((struct mount *, int, struct proc *)); 83 void ffs_fragacct __P((struct fs *, int, int32_t [], int)); 84 int ffs_freefile __P(( struct vnode *, ino_t, int )); 85 int ffs_isblock __P((struct fs *, u_char *, ufs_daddr_t)); 86 int ffs_isfreeblock __P((struct fs *, unsigned char *, ufs_daddr_t)); 87 int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *, 88 struct malloc_type *)); 89 int ffs_mountroot __P((void)); 90 int ffs_reallocblks __P((struct vop_reallocblks_args *)); 91 int ffs_realloccg __P((struct inode *, 92 ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **)); 93 void ffs_setblock __P((struct fs *, u_char *, ufs_daddr_t)); 94 int ffs_snapblkfree __P((struct inode *freeip, ufs_daddr_t bno, long size)); 95 int ffs_snapshot __P((struct mount *mp, char *snapfile)); 96 void ffs_snapshot_mount __P((struct mount *mp)); 97 void ffs_snapshot_unmount __P((struct mount *mp)); 98 int ffs_statfs __P((struct mount *, struct statfs *, struct proc *)); 99 int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 100 int ffs_truncate __P((struct vnode *, off_t, int, struct ucred *, struct proc *)); 101 int ffs_unmount __P((struct mount *, int, struct proc *)); 102 int ffs_update __P((struct vnode *, int)); 103 int ffs_valloc __P((struct vnode *, int, struct ucred *, struct vnode **)); 104 105 int ffs_vfree __P((struct vnode *, ino_t, int)); 106 int ffs_vget __P((struct mount *, ino_t, struct vnode **)); 107 int ffs_vptofh __P((struct vnode *, struct fid *)); 108 109 extern vop_t **ffs_vnodeop_p; 110 extern vop_t **ffs_specop_p; 111 extern vop_t **ffs_fifoop_p; 112 113 /* 114 * Soft update function prototypes. 115 */ 116 void softdep_initialize __P((void)); 117 int softdep_mount __P((struct vnode *, struct mount *, struct fs *, 118 struct ucred *)); 119 int softdep_flushworklist __P((struct mount *, int *, struct proc *)); 120 int softdep_flushfiles __P((struct mount *, int, struct proc *)); 121 void softdep_update_inodeblock __P((struct inode *, struct buf *, int)); 122 void softdep_load_inodeblock __P((struct inode *)); 123 void softdep_freefile __P((struct vnode *, ino_t, int)); 124 void softdep_setup_freeblocks __P((struct inode *, off_t)); 125 void softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t)); 126 void softdep_setup_blkmapdep __P((struct buf *, struct fs *, ufs_daddr_t)); 127 void softdep_setup_allocdirect __P((struct inode *, ufs_lbn_t, ufs_daddr_t, 128 ufs_daddr_t, long, long, struct buf *)); 129 void softdep_setup_allocindir_meta __P((struct buf *, struct inode *, 130 struct buf *, int, ufs_daddr_t)); 131 void softdep_setup_allocindir_page __P((struct inode *, ufs_lbn_t, 132 struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *)); 133 void softdep_fsync_mountdev __P((struct vnode *)); 134 int softdep_sync_metadata __P((struct vop_fsync_args *)); 135 /* XXX incorrectly moved to mount.h - should be indirect function */ 136 #if 0 137 int softdep_fsync __P((struct vnode *vp)); 138 #endif 139 140 #endif /* !_UFS_FFS_EXTERN_H */ 141