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 int ffs_copyonwrite(struct vnode *, struct buf *); 65 int ffs_flushfiles(struct mount *, int, struct thread *); 66 void ffs_fragacct(struct fs *, int, int32_t [], int); 67 int ffs_freefile(struct ufsmount *, struct fs *, struct vnode *, ino_t, 68 int); 69 int ffs_isblock(struct fs *, u_char *, ufs1_daddr_t); 70 void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 71 int ffs_mountroot(void); 72 int ffs_reallocblks(struct vop_reallocblks_args *); 73 int ffs_realloccg(struct inode *, ufs2_daddr_t, ufs2_daddr_t, 74 ufs2_daddr_t, int, int, struct ucred *, struct buf **); 75 void ffs_setblock(struct fs *, u_char *, ufs1_daddr_t); 76 int ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t); 77 void ffs_snapremove(struct vnode *vp); 78 int ffs_snapshot(struct mount *mp, char *snapfile); 79 void ffs_snapshot_mount(struct mount *mp); 80 void ffs_snapshot_unmount(struct mount *mp); 81 int ffs_syncvnode(struct vnode *vp, int waitfor); 82 int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); 83 int ffs_update(struct vnode *, int); 84 int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 85 86 int ffs_vfree(struct vnode *, ino_t, int); 87 vfs_vget_t ffs_vget; 88 89 extern struct vop_vector ffs_vnodeops1; 90 extern struct vop_vector ffs_fifoops1; 91 extern struct vop_vector ffs_vnodeops2; 92 extern struct vop_vector ffs_fifoops2; 93 94 /* 95 * Soft update function prototypes. 96 */ 97 98 int softdep_check_suspend(struct mount *, struct vnode *, 99 int, int, int, int); 100 void softdep_get_depcounts(struct mount *, int *, int *); 101 void softdep_initialize(void); 102 void softdep_uninitialize(void); 103 int softdep_mount(struct vnode *, struct mount *, struct fs *, 104 struct ucred *); 105 void softdep_move_dependencies(struct buf *, struct buf *); 106 int softdep_flushworklist(struct mount *, int *, struct thread *); 107 int softdep_flushfiles(struct mount *, int, struct thread *); 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 int softdep_request_cleanup(struct fs *, struct vnode *); 112 void softdep_setup_freeblocks(struct inode *, off_t, int); 113 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 114 void softdep_setup_blkmapdep(struct buf *, struct mount *, ufs2_daddr_t); 115 void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t, 116 ufs2_daddr_t, long, long, struct buf *); 117 void softdep_setup_allocext(struct inode *, ufs_lbn_t, ufs2_daddr_t, 118 ufs2_daddr_t, long, long, struct buf *); 119 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 120 struct buf *, int, ufs2_daddr_t); 121 void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, 122 struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *); 123 void softdep_fsync_mountdev(struct vnode *); 124 int softdep_sync_metadata(struct vnode *); 125 int softdep_process_worklist(struct mount *, int); 126 int softdep_fsync(struct vnode *); 127 int softdep_waitidle(struct mount *); 128 129 #endif /* !_UFS_FFS_EXTERN_H */ 130