ffs_extern.h revision 223138
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 223138 2011-06-16 05:26:03Z avatar $ 31 */ 32 33#ifndef _UFS_FFS_EXTERN_H 34#define _UFS_FFS_EXTERN_H 35 36enum vtype; 37struct buf; 38struct cg; 39struct fid; 40struct fs; 41struct inode; 42struct malloc_type; 43struct mount; 44struct thread; 45struct sockaddr; 46struct statfs; 47struct ucred; 48struct vnode; 49struct vop_fsync_args; 50struct vop_reallocblks_args; 51struct workhead; 52 53int ffs_alloc(struct inode *, ufs2_daddr_t, ufs2_daddr_t, int, int, 54 struct ucred *, ufs2_daddr_t *); 55int ffs_balloc_ufs1(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_balloc_ufs2(struct vnode *a_vp, off_t a_startoffset, int a_size, 58 struct ucred *a_cred, int a_flags, struct buf **a_bpp); 59int ffs_blkatoff(struct vnode *, off_t, char **, struct buf **); 60void ffs_blkfree(struct ufsmount *, struct fs *, struct vnode *, 61 ufs2_daddr_t, long, ino_t, enum vtype, struct workhead *); 62ufs2_daddr_t ffs_blkpref_ufs1(struct inode *, ufs_lbn_t, int, ufs1_daddr_t *); 63ufs2_daddr_t ffs_blkpref_ufs2(struct inode *, ufs_lbn_t, int, ufs2_daddr_t *); 64int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); 65void ffs_clrblock(struct fs *, u_char *, ufs1_daddr_t); 66void ffs_clusteracct(struct fs *, struct cg *, ufs1_daddr_t, int); 67void ffs_bdflush(struct bufobj *, struct buf *); 68int ffs_copyonwrite(struct vnode *, struct buf *); 69int ffs_flushfiles(struct mount *, int, struct thread *); 70void ffs_fragacct(struct fs *, int, int32_t [], int); 71int ffs_freefile(struct ufsmount *, struct fs *, struct vnode *, ino_t, 72 int, struct workhead *); 73void ffs_fserr(struct fs *, ino_t, char *); 74int ffs_isblock(struct fs *, u_char *, ufs1_daddr_t); 75int ffs_isfreeblock(struct fs *, u_char *, ufs1_daddr_t); 76void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 77int ffs_mountroot(void); 78void ffs_oldfscompat_write(struct fs *, struct ufsmount *); 79void ffs_pages_remove(struct vnode *vp, vm_pindex_t start, vm_pindex_t end); 80int ffs_reallocblks(struct vop_reallocblks_args *); 81int ffs_realloccg(struct inode *, ufs2_daddr_t, ufs2_daddr_t, 82 ufs2_daddr_t, int, int, int, struct ucred *, struct buf **); 83int ffs_sbupdate(struct ufsmount *, int, int); 84void ffs_setblock(struct fs *, u_char *, ufs1_daddr_t); 85int ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t, 86 enum vtype, struct workhead *); 87void ffs_snapremove(struct vnode *vp); 88int ffs_snapshot(struct mount *mp, char *snapfile); 89void ffs_snapshot_mount(struct mount *mp); 90void ffs_snapshot_unmount(struct mount *mp); 91void process_deferred_inactive(struct mount *mp); 92void ffs_sync_snap(struct mount *, int); 93int ffs_syncvnode(struct vnode *vp, int waitfor); 94int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); 95int ffs_update(struct vnode *, int); 96int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 97 98int ffs_vfree(struct vnode *, ino_t, int); 99vfs_vget_t ffs_vget; 100int ffs_vgetf(struct mount *, ino_t, int, struct vnode **, int); 101 102#define FFSV_FORCEINSMQ 0x0001 103 104extern struct vop_vector ffs_vnodeops1; 105extern struct vop_vector ffs_fifoops1; 106extern struct vop_vector ffs_vnodeops2; 107extern struct vop_vector ffs_fifoops2; 108 109/* 110 * Soft update function prototypes. 111 */ 112 113int softdep_check_suspend(struct mount *, struct vnode *, 114 int, int, int, int); 115void softdep_get_depcounts(struct mount *, int *, int *); 116void softdep_initialize(void); 117void softdep_uninitialize(void); 118int softdep_mount(struct vnode *, struct mount *, struct fs *, 119 struct ucred *); 120void softdep_unmount(struct mount *); 121int softdep_move_dependencies(struct buf *, struct buf *); 122int softdep_flushworklist(struct mount *, int *, struct thread *); 123int softdep_flushfiles(struct mount *, int, struct thread *); 124void softdep_update_inodeblock(struct inode *, struct buf *, int); 125void softdep_load_inodeblock(struct inode *); 126void softdep_freefile(struct vnode *, ino_t, int); 127int softdep_request_cleanup(struct fs *, struct vnode *, 128 struct ucred *, int); 129void softdep_setup_freeblocks(struct inode *, off_t, int); 130void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 131void softdep_setup_blkmapdep(struct buf *, struct mount *, ufs2_daddr_t, 132 int, int); 133void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t, 134 ufs2_daddr_t, long, long, struct buf *); 135void softdep_setup_allocext(struct inode *, ufs_lbn_t, ufs2_daddr_t, 136 ufs2_daddr_t, long, long, struct buf *); 137void softdep_setup_allocindir_meta(struct buf *, struct inode *, 138 struct buf *, int, ufs2_daddr_t); 139void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, 140 struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *); 141void softdep_setup_blkfree(struct mount *, struct buf *, ufs2_daddr_t, int, 142 struct workhead *); 143void softdep_setup_inofree(struct mount *, struct buf *, ino_t, 144 struct workhead *); 145void softdep_setup_sbupdate(struct ufsmount *, struct fs *, struct buf *); 146void softdep_fsync_mountdev(struct vnode *); 147int softdep_sync_metadata(struct vnode *); 148int softdep_sync_buf(struct vnode *, struct buf *, int); 149int softdep_process_worklist(struct mount *, int); 150int softdep_fsync(struct vnode *); 151int softdep_waitidle(struct mount *); 152int softdep_prealloc(struct vnode *, int); 153int softdep_journal_lookup(struct mount *, struct vnode **); 154void softdep_journal_freeblocks(struct inode *, struct ucred *, off_t, int); 155void softdep_journal_fsync(struct inode *); 156void softdep_buf_append(struct buf *, struct workhead *); 157void softdep_inode_append(struct inode *, struct ucred *, struct workhead *); 158void softdep_freework(struct workhead *); 159 160 161/* 162 * Things to request flushing in softdep_request_cleanup() 163 */ 164#define FLUSH_INODES 1 165#define FLUSH_INODES_WAIT 2 166#define FLUSH_BLOCKS 3 167#define FLUSH_BLOCKS_WAIT 4 168 169int ffs_rdonly(struct inode *); 170 171#ifdef _KERNEL 172TAILQ_HEAD(snaphead, inode); 173 174struct snapdata { 175 LIST_ENTRY(snapdata) sn_link; 176 struct snaphead sn_head; 177 daddr_t sn_listsize; 178 daddr_t *sn_blklist; 179 struct lock sn_lock; 180}; 181#endif /* _KERNEL */ 182 183#endif /* !_UFS_FFS_EXTERN_H */ 184