ffs_extern.h revision 1.9
1 /* $NetBSD: ffs_extern.h,v 1.9 1998/06/22 22:01:08 sommerfe 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 #if defined(_KERNEL) && !defined(_LKM) 39 #include "opt_fifo.h" 40 #endif 41 42 /* 43 * Sysctl values for the fast filesystem. 44 */ 45 #define FFS_CLUSTERREAD 1 /* cluster reading enabled */ 46 #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */ 47 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */ 48 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ 49 #define FFS_MAXID 5 /* number of valid ffs ids */ 50 51 #define FFS_NAMES { \ 52 { 0, 0 }, \ 53 { "doclusterread", CTLTYPE_INT }, \ 54 { "doclusterwrite", CTLTYPE_INT }, \ 55 { "doreallocblks", CTLTYPE_INT }, \ 56 { "doasyncfree", CTLTYPE_INT }, \ 57 } 58 59 struct buf; 60 struct fid; 61 struct fs; 62 struct inode; 63 struct dinode; 64 struct mount; 65 struct nameidata; 66 struct proc; 67 struct statfs; 68 struct timeval; 69 struct ucred; 70 struct ufsmount; 71 struct uio; 72 struct vnode; 73 struct mbuf; 74 struct cg; 75 76 __BEGIN_DECLS 77 78 /* ffs_alloc.c */ 79 int ffs_alloc __P((struct inode *, ufs_daddr_t, ufs_daddr_t , int, struct ucred *, 80 ufs_daddr_t *)); 81 int ffs_realloccg __P((struct inode *, ufs_daddr_t, ufs_daddr_t, int, int , 82 struct ucred *, struct buf **)); 83 int ffs_reallocblks __P((void *)); 84 int ffs_valloc __P((void *)); 85 ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *)); 86 void ffs_blkfree __P((struct inode *, ufs_daddr_t, long)); 87 int ffs_vfree __P((void *)); 88 void ffs_clusteracct __P((int, struct fs *, struct cg *, ufs_daddr_t, int)); 89 90 /* ffs_balloc.c */ 91 int ffs_balloc __P((struct inode *, ufs_daddr_t, int, struct ucred *, 92 struct buf **, int)); 93 94 /* ffs_bswap.c */ 95 void ffs_sb_swap __P((struct fs*, struct fs *, int)); 96 void ffs_dinode_swap __P((struct dinode *, struct dinode *)); 97 void ffs_csum_swap __P((struct csum *, struct csum *, int)); 98 99 /* ffs_inode.c */ 100 void ffs_init __P((void)); 101 int ffs_update __P((void *)); 102 int ffs_truncate __P((void *)); 103 104 /* ffs_subr.c */ 105 int ffs_blkatoff __P((void *)); 106 void ffs_fragacct __P((struct fs *, int, int32_t[], int, int)); 107 #ifdef DIAGNOSTIC 108 void ffs_checkoverlap __P((struct buf *, struct inode *)); 109 #endif 110 int ffs_isblock __P((struct fs *, unsigned char *, ufs_daddr_t)); 111 void ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t)); 112 void ffs_setblock __P((struct fs *, unsigned char *, ufs_daddr_t)); 113 114 /* ffs_vfsops.c */ 115 int ffs_mountroot __P((void)); 116 int ffs_mount __P((struct mount *, const char *, void *, struct nameidata *, 117 struct proc *)); 118 int ffs_reload __P((struct mount *, struct ucred *, struct proc *)); 119 int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *)); 120 int ffs_oldfscompat __P((struct fs *)); 121 int ffs_unmount __P((struct mount *, int, struct proc *)); 122 int ffs_flushfiles __P((struct mount *, int, struct proc *)); 123 int ffs_statfs __P((struct mount *, struct statfs *, struct proc *)); 124 int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 125 int ffs_vget __P((struct mount *, ino_t, struct vnode **)); 126 int ffs_fhtovp __P((struct mount *, struct fid *, struct mbuf *, 127 struct vnode **, int *, struct ucred **)); 128 int ffs_vptofh __P((struct vnode *, struct fid *)); 129 int ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, 130 struct proc *)); 131 int ffs_sbupdate __P((struct ufsmount *, int)); 132 int ffs_cgupdate __P((struct ufsmount *, int)); 133 134 /* ffs_vnops.c */ 135 int ffs_read __P((void *)); 136 int ffs_write __P((void *)); 137 #define ffs_fsync genfs_fsync 138 int ffs_reclaim __P((void *)); 139 __END_DECLS 140 141 extern int (**ffs_vnodeop_p) __P((void *)); 142 extern int (**ffs_specop_p) __P((void *)); 143 #ifdef FIFO 144 extern int (**ffs_fifoop_p) __P((void *)); 145 #define FFS_FIFOOPS ffs_fifoop_p 146 #else 147 #define FFS_FIFOOPS NULL 148 #endif 149
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