ffs_extern.h revision 187790
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: head/sys/ufs/ffs/ffs_extern.h 187790 2009-01-27 21:48:47Z rwatson $ 31 */ 32 33#ifndef _UFS_FFS_EXTERN_H 34#define _UFS_FFS_EXTERN_H 35 36struct buf; 37struct cg; 38struct fid; 39struct fs; 40struct inode; 41struct malloc_type; 42struct mount; 43struct thread; 44struct sockaddr; 45struct statfs; 46struct ucred; 47struct vnode; 48struct vop_fsync_args; 49struct vop_reallocblks_args; 50 51int ffs_alloc(struct inode *, ufs2_daddr_t, ufs2_daddr_t, int, int, 52 struct ucred *, ufs2_daddr_t *); 53int 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); 55int 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); 57int ffs_blkatoff(struct vnode *, off_t, char **, struct buf **); 58void ffs_blkfree(struct ufsmount *, struct fs *, struct vnode *, 59 ufs2_daddr_t, long, ino_t); 60ufs2_daddr_t ffs_blkpref_ufs1(struct inode *, ufs_lbn_t, int, ufs1_daddr_t *); 61ufs2_daddr_t ffs_blkpref_ufs2(struct inode *, ufs_lbn_t, int, ufs2_daddr_t *); 62int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); 63void ffs_clrblock(struct fs *, u_char *, ufs1_daddr_t); 64void ffs_bdflush(struct bufobj *, struct buf *); 65int ffs_copyonwrite(struct vnode *, struct buf *); 66int ffs_flushfiles(struct mount *, int, struct thread *); 67void ffs_fragacct(struct fs *, int, int32_t [], int); 68int ffs_freefile(struct ufsmount *, struct fs *, struct vnode *, ino_t, 69 int); 70int ffs_isblock(struct fs *, u_char *, ufs1_daddr_t); 71void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 72int ffs_mountroot(void); 73int ffs_reallocblks(struct vop_reallocblks_args *); 74int ffs_realloccg(struct inode *, ufs2_daddr_t, ufs2_daddr_t, 75 ufs2_daddr_t, int, int, int, struct ucred *, struct buf **); 76int ffs_sbupdate(struct ufsmount *, int, int); 77void ffs_setblock(struct fs *, u_char *, ufs1_daddr_t); 78int ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t); 79void ffs_snapremove(struct vnode *vp); 80int ffs_snapshot(struct mount *mp, char *snapfile); 81void ffs_snapshot_mount(struct mount *mp); 82void ffs_snapshot_unmount(struct mount *mp); 83void process_deferred_inactive(struct mount *mp); 84int ffs_syncvnode(struct vnode *vp, int waitfor); 85int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); 86int ffs_update(struct vnode *, int); 87int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 88 89int ffs_vfree(struct vnode *, ino_t, int); 90vfs_vget_t ffs_vget; 91int ffs_vgetf(struct mount *, ino_t, int, struct vnode **, int); 92 93#define FFSV_FORCEINSMQ 0x0001 94 95extern struct vop_vector ffs_vnodeops1; 96extern struct vop_vector ffs_fifoops1; 97extern struct vop_vector ffs_vnodeops2; 98extern struct vop_vector ffs_fifoops2; 99 100/* 101 * Soft update function prototypes. 102 */ 103 104int softdep_check_suspend(struct mount *, struct vnode *, 105 int, int, int, int); 106void softdep_get_depcounts(struct mount *, int *, int *); 107void softdep_initialize(void); 108void softdep_uninitialize(void); 109int softdep_mount(struct vnode *, struct mount *, struct fs *, 110 struct ucred *); 111void softdep_move_dependencies(struct buf *, struct buf *); 112int softdep_flushworklist(struct mount *, int *, struct thread *); 113int softdep_flushfiles(struct mount *, int, struct thread *); 114void softdep_update_inodeblock(struct inode *, struct buf *, int); 115void softdep_load_inodeblock(struct inode *); 116void softdep_freefile(struct vnode *, ino_t, int); 117int softdep_request_cleanup(struct fs *, struct vnode *); 118void softdep_setup_freeblocks(struct inode *, off_t, int); 119void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 120void softdep_setup_blkmapdep(struct buf *, struct mount *, ufs2_daddr_t); 121void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t, 122 ufs2_daddr_t, long, long, struct buf *); 123void softdep_setup_allocext(struct inode *, ufs_lbn_t, ufs2_daddr_t, 124 ufs2_daddr_t, long, long, struct buf *); 125void softdep_setup_allocindir_meta(struct buf *, struct inode *, 126 struct buf *, int, ufs2_daddr_t); 127void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, 128 struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *); 129void softdep_fsync_mountdev(struct vnode *); 130int softdep_sync_metadata(struct vnode *); 131int softdep_process_worklist(struct mount *, int); 132int softdep_fsync(struct vnode *); 133int softdep_waitidle(struct mount *); 134 135int ffs_rdonly(struct inode *); 136 137#endif /* !_UFS_FFS_EXTERN_H */ 138