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 * 4. 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 * $FreeBSD$ 31 */ 32 33 #ifndef _UFS_FFS_EXTERN_H 34 #define _UFS_FFS_EXTERN_H 35 36 struct buf; 37 struct cg; 38 struct fid; 39 struct fs; 40 struct inode; 41 struct malloc_type; 42 struct mount; 43 struct thread; 44 struct sockaddr; 45 struct statfs; 46 struct ucred; 47 struct vnode; 48 struct vop_fsync_args; 49 struct vop_reallocblks_args; 50 51 int ffs_alloc(struct inode *, 52 ufs2_daddr_t, ufs2_daddr_t, int, struct ucred *, ufs2_daddr_t *); 53 int ffs_balloc_ufs1(struct vnode *a_vp, off_t a_startoffset, int a_size, 54 struct ucred *a_cred, int a_flags, struct buf **a_bpp); 55 int ffs_balloc_ufs2(struct vnode *a_vp, off_t a_startoffset, int a_size, 56 struct ucred *a_cred, int a_flags, struct buf **a_bpp); 57 int ffs_blkatoff(struct vnode *, off_t, char **, struct buf **); 58 void ffs_blkfree(struct ufsmount *, struct fs *, struct vnode *, 59 ufs2_daddr_t, long, ino_t); 60 ufs2_daddr_t ffs_blkpref_ufs1(struct inode *, ufs_lbn_t, int, ufs1_daddr_t *); 61 ufs2_daddr_t ffs_blkpref_ufs2(struct inode *, ufs_lbn_t, int, ufs2_daddr_t *); 62 int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); 63 void ffs_clrblock(struct fs *, u_char *, ufs1_daddr_t); 64 void ffs_bdflush(struct bufobj *, struct buf *); 65 int ffs_copyonwrite(struct vnode *, struct buf *); 66 int ffs_flushfiles(struct mount *, int, struct thread *); 67 void ffs_fragacct(struct fs *, int, int32_t [], int); 68 int ffs_freefile(struct ufsmount *, struct fs *, struct vnode *, ino_t, 69 int); 70 int ffs_isblock(struct fs *, u_char *, ufs1_daddr_t); 71 void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 72 int ffs_mountroot(void); 73 int ffs_reallocblks(struct vop_reallocblks_args *); 74 int ffs_realloccg(struct inode *, ufs2_daddr_t, ufs2_daddr_t, 75 ufs2_daddr_t, int, int, struct ucred *, struct buf **); 76 int ffs_sbupdate(struct ufsmount *, int, int); 77 void ffs_setblock(struct fs *, u_char *, ufs1_daddr_t); 78 int ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t); 79 void ffs_snapremove(struct vnode *vp); 80 int ffs_snapshot(struct mount *mp, char *snapfile); 81 void ffs_snapshot_mount(struct mount *mp); 82 void ffs_snapshot_unmount(struct mount *mp); 83 int ffs_syncvnode(struct vnode *vp, int waitfor); 84 int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); 85 int ffs_update(struct vnode *, int); 86 int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 87 88 int ffs_vfree(struct vnode *, ino_t, int); 89 vfs_vget_t ffs_vget; 90 91 extern struct vop_vector ffs_vnodeops1; 92 extern struct vop_vector ffs_fifoops1; 93 extern struct vop_vector ffs_vnodeops2; 94 extern struct vop_vector ffs_fifoops2; 95 96 /* 97 * Soft update function prototypes. 98 */ 99 100 int softdep_check_suspend(struct mount *, struct vnode *, 101 int, int, int, int); 102 void softdep_get_depcounts(struct mount *, int *, int *); 103 void softdep_initialize(void); 104 void softdep_uninitialize(void); 105 int softdep_mount(struct vnode *, struct mount *, struct fs *, 106 struct ucred *); 107 void softdep_move_dependencies(struct buf *, struct buf *); 108 int softdep_flushworklist(struct mount *, int *, struct thread *); 109 int softdep_flushfiles(struct mount *, int, struct thread *); 110 void softdep_update_inodeblock(struct inode *, struct buf *, int); 111 void softdep_load_inodeblock(struct inode *); 112 void softdep_freefile(struct vnode *, ino_t, int); 113 int softdep_request_cleanup(struct fs *, struct vnode *); 114 void softdep_setup_freeblocks(struct inode *, off_t, int); 115 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 116 void softdep_setup_blkmapdep(struct buf *, struct mount *, ufs2_daddr_t); 117 void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t, 118 ufs2_daddr_t, long, long, struct buf *); 119 void softdep_setup_allocext(struct inode *, ufs_lbn_t, ufs2_daddr_t, 120 ufs2_daddr_t, long, long, struct buf *); 121 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 122 struct buf *, int, ufs2_daddr_t); 123 void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, 124 struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *); 125 void softdep_fsync_mountdev(struct vnode *); 126 int softdep_sync_metadata(struct vnode *); 127 int softdep_process_worklist(struct mount *, int); 128 int softdep_fsync(struct vnode *); 129 int softdep_waitidle(struct mount *); 130 131 #endif /* !_UFS_FFS_EXTERN_H */ 132