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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95 30 * $FreeBSD: src/sys/ufs/ffs/ffs_extern.h,v 1.30 2000/01/09 22:40:02 mckusick Exp $ 31 * $DragonFly: src/sys/vfs/ufs/ffs_extern.h,v 1.15 2008/09/17 21:44:25 dillon Exp $ 32 */ 33 34 #ifndef _VFS_UFS_EXTERN_H 35 #define _VFS_UFS_EXTERN_H 36 37 /* 38 * Sysctl values for the fast filesystem. 39 */ 40 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */ 41 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ 42 #define FFS_MAXID 5 /* number of valid ffs ids */ 43 44 #define FFS_NAMES { \ 45 { 0, 0 }, \ 46 { 0, 0 }, \ 47 { 0, 0 }, \ 48 { "doreallocblks", CTLTYPE_INT }, \ 49 { "doasyncfree", CTLTYPE_INT }, \ 50 } 51 52 struct buf; 53 struct fid; 54 struct fs; 55 struct inode; 56 struct malloc_type; 57 struct mount; 58 struct proc; 59 struct thread; 60 struct sockaddr; 61 struct statfs; 62 struct ucred; 63 struct vnode; 64 struct vop_balloc_args; 65 struct vop_bmap_args; 66 struct vop_fsync_args; 67 struct vop_reallocblks_args; 68 69 int ffs_alloc(struct inode *, 70 ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *); 71 int ffs_balloc(struct vop_balloc_args *); 72 int ffs_blkatoff(struct vnode *, off_t, char **, struct buf **); 73 int ffs_blkatoff_ra(struct vnode *, off_t, char **, struct buf **, int); 74 void ffs_blkfree(struct inode *, ufs_daddr_t, long); 75 ufs_daddr_t ffs_blkpref(struct inode *, ufs_daddr_t, int, ufs_daddr_t *); 76 int ffs_bmap(struct vop_bmap_args *); 77 void ffs_clrblock(struct fs *, u_char *, ufs_daddr_t); 78 int ffs_fhtovp(struct mount *, struct vnode *, 79 struct fid *, struct vnode **); 80 int ffs_flushfiles(struct mount *, int); 81 void ffs_fragacct(struct fs *, int, int32_t [], int); 82 int ffs_freefile( struct vnode *, ino_t, int ); 83 int ffs_isblock(struct fs *, u_char *, ufs_daddr_t); 84 int ffs_isfreeblock(struct fs *, unsigned char *, ufs_daddr_t); 85 int ffs_mountfs(struct vnode *, struct mount *, struct malloc_type *); 86 int ffs_mountroot(void); 87 int ffs_reallocblks(struct vop_reallocblks_args *); 88 int ffs_realloccg(struct inode *, 89 ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **); 90 void ffs_setblock(struct fs *, u_char *, ufs_daddr_t); 91 int ffs_statfs(struct mount *, struct statfs *, struct ucred *); 92 int ffs_sync(struct mount *, int); 93 int ffs_truncate(struct vnode *, off_t, int, struct ucred *); 94 int ffs_unmount(struct mount *, int); 95 int ffs_update(struct vnode *, int); 96 int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 97 98 int ffs_vfree(struct vnode *, ino_t, int); 99 int ffs_vget(struct mount *, struct vnode *, ino_t, struct vnode **); 100 int ffs_vptofh(struct vnode *, struct fid *); 101 102 /* 103 * Soft update function prototypes. 104 */ 105 void softdep_initialize(void); 106 int softdep_mount(struct vnode *, struct mount *, struct fs *); 107 int softdep_flushfiles(struct mount *, int); 108 void softdep_update_inodeblock(struct inode *, struct buf *, int); 109 void softdep_load_inodeblock(struct inode *); 110 void softdep_freefile(struct vnode *, ino_t, int); 111 void softdep_setup_freeblocks(struct inode *, off_t); 112 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 113 void softdep_setup_blkmapdep(struct buf *, struct fs *, ufs_daddr_t); 114 void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs_daddr_t, 115 ufs_daddr_t, long, long, struct buf *); 116 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 117 struct buf *, int, ufs_daddr_t); 118 void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, 119 struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *); 120 void softdep_fsync_mountdev(struct vnode *); 121 int softdep_sync_metadata(struct vnode *, struct thread *); 122 123 #endif /* !_VFS_UFS_EXTERN_H */ 124