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 * $FreeBSD$ 35 */ 36 37 #ifndef _UFS_FFS_EXTERN_H 38 #define _UFS_FFS_EXTERN_H 39 40 struct buf; 41 struct cg; 42 struct fid; 43 struct fs; 44 struct inode; 45 struct malloc_type; 46 struct mount; 47 struct thread; 48 struct sockaddr; 49 struct statfs; 50 struct ucred; 51 struct vnode; 52 struct vop_balloc_args; 53 struct vop_fsync_args; 54 struct vop_reallocblks_args; 55 struct vop_copyonwrite_args; 56 57 int ffs_alloc(struct inode *, 58 ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *); 59 int ffs_balloc(struct vnode *a_vp, off_t a_startoffset, int a_size, 60 struct ucred *a_cred, int a_flags, struct buf **a_bpp); 61 int ffs_blkatoff(struct vnode *, off_t, char **, struct buf **); 62 void ffs_blkfree(struct fs *, struct vnode *, ufs_daddr_t, long, ino_t); 63 ufs_daddr_t ffs_blkpref(struct inode *, ufs_daddr_t, int, ufs_daddr_t *); 64 void ffs_clrblock(struct fs *, u_char *, ufs_daddr_t); 65 void ffs_clusteracct (struct fs *, struct cg *, ufs_daddr_t, int); 66 int ffs_fhtovp(struct mount *, struct fid *, struct vnode **); 67 int ffs_flushfiles(struct mount *, int, struct thread *); 68 void ffs_fragacct(struct fs *, int, int32_t [], int); 69 int ffs_freefile(struct fs *, struct vnode *, ino_t, int ); 70 int ffs_isblock(struct fs *, u_char *, ufs_daddr_t); 71 int ffs_isfreeblock(struct fs *, unsigned char *, ufs_daddr_t); 72 int ffs_mountfs(struct vnode *, struct mount *, struct thread *, 73 struct malloc_type *); 74 int ffs_mountroot(void); 75 int ffs_mount(struct mount *, char *, caddr_t, struct nameidata *, 76 struct thread *); 77 int ffs_reallocblks(struct vop_reallocblks_args *); 78 int ffs_realloccg(struct inode *, 79 ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **); 80 void ffs_setblock(struct fs *, u_char *, ufs_daddr_t); 81 int ffs_snapblkfree(struct fs *, struct vnode *, ufs_daddr_t, long, ino_t); 82 void ffs_snapremove(struct vnode *vp); 83 int ffs_snapshot(struct mount *mp, char *snapfile); 84 void ffs_snapshot_mount(struct mount *mp); 85 void ffs_snapshot_unmount(struct mount *mp); 86 int ffs_statfs(struct mount *, struct statfs *, struct thread *); 87 int ffs_sync(struct mount *, int, struct ucred *, struct thread *); 88 int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); 89 int ffs_unmount(struct mount *, int, struct thread *); 90 int ffs_update(struct vnode *, int); 91 int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 92 93 int ffs_vfree(struct vnode *, ino_t, int); 94 int ffs_vget(struct mount *, ino_t, int, struct vnode **); 95 int ffs_vptofh(struct vnode *, struct fid *); 96 97 extern vop_t **ffs_vnodeop_p; 98 extern vop_t **ffs_specop_p; 99 extern vop_t **ffs_fifoop_p; 100 101 /* 102 * Soft update function prototypes. 103 */ 104 void softdep_initialize(void); 105 int softdep_mount(struct vnode *, struct mount *, struct fs *, 106 struct ucred *); 107 int softdep_flushworklist(struct mount *, int *, struct thread *); 108 int softdep_flushfiles(struct mount *, int, struct thread *); 109 void softdep_update_inodeblock(struct inode *, struct buf *, int); 110 void softdep_load_inodeblock(struct inode *); 111 void softdep_freefile(struct vnode *, ino_t, int); 112 int softdep_request_cleanup(struct fs *, struct vnode *); 113 void softdep_setup_freeblocks(struct inode *, off_t); 114 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 115 void softdep_setup_blkmapdep(struct buf *, struct fs *, ufs_daddr_t); 116 void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs_daddr_t, 117 ufs_daddr_t, long, long, struct buf *); 118 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 119 struct buf *, int, ufs_daddr_t); 120 void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, 121 struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *); 122 void softdep_fsync_mountdev(struct vnode *); 123 int softdep_sync_metadata(struct vop_fsync_args *); 124 /* XXX incorrectly moved to mount.h - should be indirect function */ 125 #if 0 126 int softdep_fsync(struct vnode *vp); 127 #endif 128 129 #endif /* !_UFS_FFS_EXTERN_H */ 130