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: src/sys/ufs/ffs/ffs_extern.h,v 1.30 2000/01/09 22:40:02 mckusick Exp $ 35 * $DragonFly: src/sys/vfs/ufs/ffs_extern.h,v 1.5 2003/08/20 09:56:34 rob Exp $ 36 */ 37 38 #ifndef _UFS_FFS_EXTERN_H 39 #define _UFS_FFS_EXTERN_H 40 41 /* 42 * Sysctl values for the fast filesystem. 43 */ 44 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */ 45 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ 46 #define FFS_MAXID 5 /* number of valid ffs ids */ 47 48 #define FFS_NAMES { \ 49 { 0, 0 }, \ 50 { 0, 0 }, \ 51 { 0, 0 }, \ 52 { "doreallocblks", CTLTYPE_INT }, \ 53 { "doasyncfree", CTLTYPE_INT }, \ 54 } 55 56 struct buf; 57 struct fid; 58 struct fs; 59 struct inode; 60 struct malloc_type; 61 struct mount; 62 struct proc; 63 struct thread; 64 struct sockaddr; 65 struct statfs; 66 struct ucred; 67 struct vnode; 68 struct vop_balloc_args; 69 struct vop_bmap_args; 70 struct vop_fsync_args; 71 struct vop_reallocblks_args; 72 73 int ffs_alloc (struct inode *, 74 ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *); 75 int ffs_balloc (struct vop_balloc_args *); 76 int ffs_blkatoff (struct vnode *, off_t, char **, struct buf **); 77 void ffs_blkfree (struct inode *, ufs_daddr_t, long); 78 ufs_daddr_t ffs_blkpref (struct inode *, ufs_daddr_t, int, ufs_daddr_t *); 79 int ffs_bmap (struct vop_bmap_args *); 80 void ffs_clrblock (struct fs *, u_char *, ufs_daddr_t); 81 int ffs_fhtovp (struct mount *, struct fid *, struct vnode **); 82 int ffs_flushfiles (struct mount *, int, struct thread *); 83 void ffs_fragacct (struct fs *, int, int32_t [], int); 84 int ffs_freefile ( struct vnode *, ino_t, int ); 85 int ffs_isblock (struct fs *, u_char *, ufs_daddr_t); 86 int ffs_isfreeblock (struct fs *, unsigned char *, ufs_daddr_t); 87 int ffs_mountfs (struct vnode *, struct mount *, struct thread *, 88 struct malloc_type *); 89 int ffs_mountroot (void); 90 int ffs_reallocblks (struct vop_reallocblks_args *); 91 int ffs_realloccg (struct inode *, 92 ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **); 93 void ffs_setblock (struct fs *, u_char *, ufs_daddr_t); 94 int ffs_statfs (struct mount *, struct statfs *, struct thread *); 95 int ffs_sync (struct mount *, int, struct thread *); 96 int ffs_truncate (struct vnode *, off_t, int, struct ucred *, struct thread *); 97 int ffs_unmount (struct mount *, int, struct thread *); 98 int ffs_update (struct vnode *, int); 99 int ffs_valloc (struct vnode *, int, struct ucred *, struct vnode **); 100 101 int ffs_vfree (struct vnode *, ino_t, int); 102 int ffs_vget (struct mount *, ino_t, struct vnode **); 103 int ffs_vptofh (struct vnode *, struct fid *); 104 105 extern vop_t **ffs_vnodeop_p; 106 extern vop_t **ffs_specop_p; 107 extern vop_t **ffs_fifoop_p; 108 109 /* 110 * Soft update function prototypes. 111 */ 112 void softdep_initialize (void); 113 int softdep_mount (struct vnode *, struct mount *, struct fs *); 114 int softdep_flushfiles (struct mount *, int, struct thread *); 115 void softdep_update_inodeblock (struct inode *, struct buf *, int); 116 void softdep_load_inodeblock (struct inode *); 117 void softdep_freefile (struct vnode *, ino_t, int); 118 void softdep_setup_freeblocks (struct inode *, off_t); 119 void softdep_setup_inomapdep (struct buf *, struct inode *, ino_t); 120 void softdep_setup_blkmapdep (struct buf *, struct fs *, ufs_daddr_t); 121 void softdep_setup_allocdirect (struct inode *, ufs_lbn_t, ufs_daddr_t, 122 ufs_daddr_t, long, long, struct buf *); 123 void softdep_setup_allocindir_meta (struct buf *, struct inode *, 124 struct buf *, int, ufs_daddr_t); 125 void softdep_setup_allocindir_page (struct inode *, ufs_lbn_t, 126 struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *); 127 void softdep_fsync_mountdev (struct vnode *); 128 int softdep_sync_metadata (struct vop_fsync_args *); 129 130 #endif /* !_UFS_FFS_EXTERN_H */ 131