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 1.15 2008/09/17 21:44:25 dillon Exp $ 36 */ 37 38 #ifndef _VFS_UFS_EXTERN_H 39 #define _VFS_UFS_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 int ffs_blkatoff_ra(struct vnode *, off_t, char **, struct buf **, int); 78 void ffs_blkfree(struct inode *, ufs_daddr_t, long); 79 ufs_daddr_t ffs_blkpref(struct inode *, ufs_daddr_t, int, ufs_daddr_t *); 80 int ffs_bmap(struct vop_bmap_args *); 81 void ffs_clrblock(struct fs *, u_char *, ufs_daddr_t); 82 int ffs_fhtovp(struct mount *, struct vnode *, 83 struct fid *, struct vnode **); 84 int ffs_flushfiles(struct mount *, int); 85 void ffs_fragacct(struct fs *, int, int32_t [], int); 86 int ffs_freefile( struct vnode *, ino_t, int ); 87 int ffs_isblock(struct fs *, u_char *, ufs_daddr_t); 88 int ffs_isfreeblock(struct fs *, unsigned char *, ufs_daddr_t); 89 int ffs_mountfs(struct vnode *, struct mount *, struct malloc_type *); 90 int ffs_mountroot(void); 91 int ffs_reallocblks(struct vop_reallocblks_args *); 92 int ffs_realloccg(struct inode *, 93 ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **); 94 void ffs_setblock(struct fs *, u_char *, ufs_daddr_t); 95 int ffs_statfs(struct mount *, struct statfs *, struct ucred *); 96 int ffs_sync(struct mount *, int); 97 int ffs_truncate(struct vnode *, off_t, int, struct ucred *); 98 int ffs_unmount(struct mount *, int); 99 int ffs_update(struct vnode *, int); 100 int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 101 102 int ffs_vfree(struct vnode *, ino_t, int); 103 int ffs_vget(struct mount *, struct vnode *, ino_t, struct vnode **); 104 int ffs_vptofh(struct vnode *, struct fid *); 105 106 /* 107 * Soft update function prototypes. 108 */ 109 void softdep_initialize(void); 110 int softdep_mount(struct vnode *, struct mount *, struct fs *); 111 int softdep_flushfiles(struct mount *, int); 112 void softdep_update_inodeblock(struct inode *, struct buf *, int); 113 void softdep_load_inodeblock(struct inode *); 114 void softdep_freefile(struct vnode *, ino_t, int); 115 void softdep_setup_freeblocks(struct inode *, off_t); 116 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 117 void softdep_setup_blkmapdep(struct buf *, struct fs *, ufs_daddr_t); 118 void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs_daddr_t, 119 ufs_daddr_t, long, long, struct buf *); 120 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 121 struct buf *, int, ufs_daddr_t); 122 void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, 123 struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *); 124 void softdep_fsync_mountdev(struct vnode *); 125 int softdep_sync_metadata(struct vnode *, struct thread *); 126 127 #endif /* !_VFS_UFS_EXTERN_H */ 128