ffs_extern.h revision 1.7
1 /* $NetBSD: ffs_extern.h,v 1.7 1998/03/01 02:23:14 fvdl Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95 36 */ 37 38 /* 39 * Sysctl values for the fast filesystem. 40 */ 41 #define FFS_CLUSTERREAD 1 /* cluster reading enabled */ 42 #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */ 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 { "doclusterread", CTLTYPE_INT }, \ 50 { "doclusterwrite", CTLTYPE_INT }, \ 51 { "doreallocblks", CTLTYPE_INT }, \ 52 { "doasyncfree", CTLTYPE_INT }, \ 53 } 54 55 struct buf; 56 struct fid; 57 struct fs; 58 struct inode; 59 struct mount; 60 struct nameidata; 61 struct proc; 62 struct statfs; 63 struct timeval; 64 struct ucred; 65 struct ufsmount; 66 struct uio; 67 struct vnode; 68 struct mbuf; 69 struct cg; 70 71 __BEGIN_DECLS 72 73 /* ffs_alloc.c */ 74 int ffs_alloc __P((struct inode *, ufs_daddr_t, ufs_daddr_t , int, struct ucred *, 75 ufs_daddr_t *)); 76 int ffs_realloccg __P((struct inode *, ufs_daddr_t, ufs_daddr_t, int, int , 77 struct ucred *, struct buf **)); 78 int ffs_reallocblks __P((void *)); 79 int ffs_valloc __P((void *)); 80 ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *)); 81 void ffs_blkfree __P((struct inode *, ufs_daddr_t, long)); 82 int ffs_vfree __P((void *)); 83 void ffs_clusteracct __P((struct fs *, struct cg *, ufs_daddr_t, int)); 84 85 /* ffs_balloc.c */ 86 int ffs_balloc __P((struct inode *, ufs_daddr_t, int, struct ucred *, 87 struct buf **, int)); 88 89 /* ffs_inode.c */ 90 void ffs_init __P((void)); 91 int ffs_update __P((void *)); 92 int ffs_truncate __P((void *)); 93 94 /* ffs_subr.c */ 95 int ffs_blkatoff __P((void *)); 96 void ffs_fragacct __P((struct fs *, int, int32_t[], int)); 97 #ifdef DIAGNOSTIC 98 void ffs_checkoverlap __P((struct buf *, struct inode *)); 99 #endif 100 int ffs_isblock __P((struct fs *, unsigned char *, ufs_daddr_t)); 101 void ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t)); 102 void ffs_setblock __P((struct fs *, unsigned char *, ufs_daddr_t)); 103 104 /* ffs_vfsops.c */ 105 int ffs_mountroot __P((void)); 106 int ffs_mount __P((struct mount *, const char *, void *, struct nameidata *, 107 struct proc *)); 108 int ffs_reload __P((struct mount *, struct ucred *, struct proc *)); 109 int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *)); 110 int ffs_oldfscompat __P((struct fs *)); 111 int ffs_unmount __P((struct mount *, int, struct proc *)); 112 int ffs_flushfiles __P((struct mount *, int, struct proc *)); 113 int ffs_statfs __P((struct mount *, struct statfs *, struct proc *)); 114 int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 115 int ffs_vget __P((struct mount *, ino_t, struct vnode **)); 116 int ffs_fhtovp __P((struct mount *, struct fid *, struct mbuf *, 117 struct vnode **, int *, struct ucred **)); 118 int ffs_vptofh __P((struct vnode *, struct fid *)); 119 int ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, 120 struct proc *)); 121 int ffs_sbupdate __P((struct ufsmount *, int)); 122 int ffs_cgupdate __P((struct ufsmount *, int)); 123 124 /* ffs_vnops.c */ 125 int ffs_read __P((void *)); 126 int ffs_write __P((void *)); 127 #define ffs_fsync genfs_fsync 128 int ffs_reclaim __P((void *)); 129 __END_DECLS 130 131 extern int (**ffs_vnodeop_p) __P((void *)); 132 extern int (**ffs_specop_p) __P((void *)); 133 #ifdef FIFO 134 extern int (**ffs_fifoop_p) __P((void *)); 135 #define FFS_FIFOOPS ffs_fifoop_p 136 #else 137 #define FFS_FIFOOPS NULL 138 #endif 139
Indexes created Sat Oct 25 01:09:55 GMT 2025