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_CLUSTERREAD 1 /* cluster reading enabled */ 44 #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */ 45 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */ 46 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ 47 #define FFS_MAXID 5 /* number of valid ffs ids */ 48 49 #define FFS_NAMES { \ 50 { 0, 0 }, \ 51 { "doclusterread", CTLTYPE_INT }, \ 52 { "doclusterwrite", CTLTYPE_INT }, \ 53 { "doreallocblks", CTLTYPE_INT }, \ 54 { "doasyncfree", CTLTYPE_INT }, \ 55 } 56 57 struct buf; 58 struct fid; 59 struct fs; 60 struct inode; 61 struct mbuf; 62 struct mount; 63 struct statfs; 64 struct vnode; 65 struct mbuf; 66 67 int ffs_alloc __P((struct inode *, 68 ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *)); 69 int ffs_balloc __P((struct inode *, 70 ufs_daddr_t, int, struct ucred *, struct buf **, int)); 71 int ffs_blkatoff __P((struct vop_blkatoff_args *)); 72 void ffs_blkfree __P((struct inode *, ufs_daddr_t, long)); 73 ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *)); 74 int ffs_bmap __P((struct vop_bmap_args *)); 75 void ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t)); 76 int ffs_fhtovp __P((struct mount *, struct fid *, struct mbuf *, 77 struct vnode **, int *, struct ucred **)); 78 int ffs_flushfiles __P((struct mount *, int, struct proc *)); 79 void ffs_fragacct __P((struct fs *, int, int32_t [], int)); 80 int ffs_isblock __P((struct fs *, u_char *, ufs_daddr_t)); 81 int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *)); 82 int ffs_mountroot __P((void)); 83 int ffs_reallocblks __P((struct vop_reallocblks_args *)); 84 int ffs_realloccg __P((struct inode *, 85 ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **)); 86 int ffs_reclaim __P((struct vop_reclaim_args *)); 87 void ffs_setblock __P((struct fs *, u_char *, ufs_daddr_t)); 88 int ffs_statfs __P((struct mount *, struct statfs *, struct proc *)); 89 int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 90 int ffs_truncate __P((struct vop_truncate_args *)); 91 int ffs_unmount __P((struct mount *, int, struct proc *)); 92 int ffs_update __P((struct vop_update_args *)); 93 int ffs_valloc __P((struct vop_valloc_args *)); 94 int ffs_vfree __P((struct vop_vfree_args *)); 95 int ffs_vget __P((struct mount *, ino_t, struct vnode **)); 96 int ffs_vptofh __P((struct vnode *, struct fid *)); 97 98 #ifdef DIAGNOSTIC 99 int ffs_checkblk __P((struct inode *, ufs_daddr_t, long)); 100 void ffs_checkoverlap __P((struct buf *, struct inode *)); 101 #endif 102 103 extern vop_t **ffs_vnodeop_p; 104 extern vop_t **ffs_specop_p; 105 extern vop_t **ffs_fifoop_p; 106 107 #endif /* !_UFS_FFS_EXTERN_H */ 108