ffs_extern.h revision 223020
1161651Skan/*- 290075Sobrien * Copyright (c) 1991, 1993, 1994 390075Sobrien * The Regents of the University of California. All rights reserved. 490075Sobrien * 5169689Skan * Redistribution and use in source and binary forms, with or without 6169689Skan * modification, are permitted provided that the following conditions 7169689Skan * are met: 8169689Skan * 1. Redistributions of source code must retain the above copyright 9169689Skan * notice, this list of conditions and the following disclaimer. 1090075Sobrien * 2. Redistributions in binary form must reproduce the above copyright 11169689Skan * notice, this list of conditions and the following disclaimer in the 1290075Sobrien * documentation and/or other materials provided with the distribution. 1390075Sobrien * 4. Neither the name of the University nor the names of its contributors 1490075Sobrien * may be used to endorse or promote products derived from this software 1590075Sobrien * without specific prior written permission. 1690075Sobrien * 1790075Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 1890075Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1990075Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2090075Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2190075Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2290075Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2390075Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2490075Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2590075Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2690075Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2790075Sobrien * SUCH DAMAGE. 2890075Sobrien * 2990075Sobrien * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95 3090075Sobrien * $FreeBSD: head/sys/ufs/ffs/ffs_extern.h 223020 2011-06-12 19:27:05Z mckusick $ 3190075Sobrien */ 3290075Sobrien 3390075Sobrien#ifndef _UFS_FFS_EXTERN_H 34132718Skan#define _UFS_FFS_EXTERN_H 35132718Skan 3690075Sobrienstruct buf; 3790075Sobrienstruct cg; 3890075Sobrienstruct fid; 3990075Sobrienstruct fs; 40132718Skanstruct inode; 41132718Skanstruct malloc_type; 42132718Skanstruct mount; 43132718Skanstruct thread; 44132718Skanstruct sockaddr; 45132718Skanstruct statfs; 46132718Skanstruct ucred; 47132718Skanstruct vnode; 48132718Skanstruct vop_fsync_args; 49132718Skanstruct vop_reallocblks_args; 50132718Skanstruct workhead; 51132718Skan 52132718Skanint ffs_alloc(struct inode *, ufs2_daddr_t, ufs2_daddr_t, int, int, 5390075Sobrien struct ucred *, ufs2_daddr_t *); 54169689Skanint ffs_balloc_ufs1(struct vnode *a_vp, off_t a_startoffset, int a_size, 55169689Skan struct ucred *a_cred, int a_flags, struct buf **a_bpp); 56169689Skanint ffs_balloc_ufs2(struct vnode *a_vp, off_t a_startoffset, int a_size, 57169689Skan struct ucred *a_cred, int a_flags, struct buf **a_bpp); 58169689Skanint ffs_blkatoff(struct vnode *, off_t, char **, struct buf **); 59169689Skanvoid ffs_blkfree(struct ufsmount *, struct fs *, struct vnode *, 60169689Skan ufs2_daddr_t, long, ino_t, struct workhead *); 61169689Skanufs2_daddr_t ffs_blkpref_ufs1(struct inode *, ufs_lbn_t, int, ufs1_daddr_t *); 62169689Skanufs2_daddr_t ffs_blkpref_ufs2(struct inode *, ufs_lbn_t, int, ufs2_daddr_t *); 63169689Skanint ffs_checkfreefile(struct fs *, struct vnode *, ino_t); 64169689Skanvoid ffs_clrblock(struct fs *, u_char *, ufs1_daddr_t); 65169689Skanvoid ffs_clusteracct(struct fs *, struct cg *, ufs1_daddr_t, int); 66169689Skanvoid ffs_bdflush(struct bufobj *, struct buf *); 67169689Skanint ffs_copyonwrite(struct vnode *, struct buf *); 68169689Skanint ffs_flushfiles(struct mount *, int, struct thread *); 69169689Skanvoid ffs_fragacct(struct fs *, int, int32_t [], int); 70int ffs_freefile(struct ufsmount *, struct fs *, struct vnode *, ino_t, 71 int, struct workhead *); 72int ffs_isblock(struct fs *, u_char *, ufs1_daddr_t); 73int ffs_isfreeblock(struct fs *, u_char *, ufs1_daddr_t); 74void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 75int ffs_mountroot(void); 76void ffs_oldfscompat_write(struct fs *, struct ufsmount *); 77void ffs_pages_remove(struct vnode *vp, vm_pindex_t start, vm_pindex_t end); 78int ffs_reallocblks(struct vop_reallocblks_args *); 79int ffs_realloccg(struct inode *, ufs2_daddr_t, ufs2_daddr_t, 80 ufs2_daddr_t, int, int, int, struct ucred *, struct buf **); 81int ffs_sbupdate(struct ufsmount *, int, int); 82void ffs_setblock(struct fs *, u_char *, ufs1_daddr_t); 83int ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t, 84 struct workhead *); 85void ffs_snapremove(struct vnode *vp); 86int ffs_snapshot(struct mount *mp, char *snapfile); 87void ffs_snapshot_mount(struct mount *mp); 88void ffs_snapshot_unmount(struct mount *mp); 89void process_deferred_inactive(struct mount *mp); 90void ffs_sync_snap(struct mount *, int); 91int ffs_syncvnode(struct vnode *vp, int waitfor); 92int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); 93int ffs_update(struct vnode *, int); 94int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 95 96int ffs_vfree(struct vnode *, ino_t, int); 97vfs_vget_t ffs_vget; 98int ffs_vgetf(struct mount *, ino_t, int, struct vnode **, int); 99 100#define FFSV_FORCEINSMQ 0x0001 101 102extern struct vop_vector ffs_vnodeops1; 103extern struct vop_vector ffs_fifoops1; 104extern struct vop_vector ffs_vnodeops2; 105extern struct vop_vector ffs_fifoops2; 106 107/* 108 * Soft update function prototypes. 109 */ 110 111int softdep_check_suspend(struct mount *, struct vnode *, 112 int, int, int, int); 113void softdep_get_depcounts(struct mount *, int *, int *); 114void softdep_initialize(void); 115void softdep_uninitialize(void); 116int softdep_mount(struct vnode *, struct mount *, struct fs *, 117 struct ucred *); 118void softdep_unmount(struct mount *); 119int softdep_move_dependencies(struct buf *, struct buf *); 120int softdep_flushworklist(struct mount *, int *, struct thread *); 121int softdep_flushfiles(struct mount *, int, struct thread *); 122void softdep_update_inodeblock(struct inode *, struct buf *, int); 123void softdep_load_inodeblock(struct inode *); 124void softdep_freefile(struct vnode *, ino_t, int); 125int softdep_request_cleanup(struct fs *, struct vnode *, 126 struct ucred *, int); 127void softdep_setup_freeblocks(struct inode *, off_t, int); 128void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 129void softdep_setup_blkmapdep(struct buf *, struct mount *, ufs2_daddr_t, 130 int, int); 131void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t, 132 ufs2_daddr_t, long, long, struct buf *); 133void softdep_setup_allocext(struct inode *, ufs_lbn_t, ufs2_daddr_t, 134 ufs2_daddr_t, long, long, struct buf *); 135void softdep_setup_allocindir_meta(struct buf *, struct inode *, 136 struct buf *, int, ufs2_daddr_t); 137void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, 138 struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *); 139void softdep_setup_blkfree(struct mount *, struct buf *, ufs2_daddr_t, int, 140 struct workhead *); 141void softdep_setup_inofree(struct mount *, struct buf *, ino_t, 142 struct workhead *); 143void softdep_setup_sbupdate(struct ufsmount *, struct fs *, struct buf *); 144void softdep_fsync_mountdev(struct vnode *); 145int softdep_sync_metadata(struct vnode *); 146int softdep_sync_buf(struct vnode *, struct buf *, int); 147int softdep_process_worklist(struct mount *, int); 148int softdep_fsync(struct vnode *); 149int softdep_waitidle(struct mount *); 150int softdep_prealloc(struct vnode *, int); 151int softdep_journal_lookup(struct mount *, struct vnode **); 152void softdep_journal_freeblocks(struct inode *, struct ucred *, off_t, int); 153void softdep_journal_fsync(struct inode *); 154void softdep_buf_append(struct buf *, struct workhead *); 155void softdep_inode_append(struct inode *, struct ucred *, struct workhead *); 156void softdep_freework(struct workhead *); 157 158 159/* 160 * Things to request flushing in softdep_request_cleanup() 161 */ 162#define FLUSH_INODES 1 163#define FLUSH_INODES_WAIT 2 164#define FLUSH_BLOCKS 3 165#define FLUSH_BLOCKS_WAIT 4 166 167int ffs_rdonly(struct inode *); 168 169TAILQ_HEAD(snaphead, inode); 170 171struct snapdata { 172 LIST_ENTRY(snapdata) sn_link; 173 struct snaphead sn_head; 174 daddr_t sn_listsize; 175 daddr_t *sn_blklist; 176 struct lock sn_lock; 177}; 178 179#endif /* !_UFS_FFS_EXTERN_H */ 180