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 struct workhead; 51 52 int ffs_alloc(struct inode *, ufs2_daddr_t, ufs2_daddr_t, int, int, 53 struct ucred *, ufs2_daddr_t *); 54 int ffs_balloc_ufs1(struct vnode *a_vp, off_t a_startoffset, int a_size, 55 struct ucred *a_cred, int a_flags, struct buf **a_bpp); 56 int ffs_balloc_ufs2(struct vnode *a_vp, off_t a_startoffset, int a_size, 57 struct ucred *a_cred, int a_flags, struct buf **a_bpp); 58 int ffs_blkatoff(struct vnode *, off_t, char **, struct buf **); 59 void ffs_blkfree(struct ufsmount *, struct fs *, struct vnode *, 60 ufs2_daddr_t, long, ino_t, struct workhead *); 61 ufs2_daddr_t ffs_blkpref_ufs1(struct inode *, ufs_lbn_t, int, ufs1_daddr_t *); 62 ufs2_daddr_t ffs_blkpref_ufs2(struct inode *, ufs_lbn_t, int, ufs2_daddr_t *); 63 int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); 64 void ffs_clrblock(struct fs *, u_char *, ufs1_daddr_t); 65 void ffs_clusteracct(struct fs *, struct cg *, ufs1_daddr_t, int); 66 void ffs_bdflush(struct bufobj *, struct buf *); 67 int ffs_copyonwrite(struct vnode *, struct buf *); 68 int ffs_flushfiles(struct mount *, int, struct thread *); 69 void ffs_fragacct(struct fs *, int, int32_t [], int); 70 int ffs_freefile(struct ufsmount *, struct fs *, struct vnode *, ino_t, 71 int, struct workhead *); 72 int ffs_isblock(struct fs *, u_char *, ufs1_daddr_t); 73 int ffs_isfreeblock(struct fs *, u_char *, ufs1_daddr_t); 74 void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 75 int ffs_mountroot(void); 76 void ffs_oldfscompat_write(struct fs *, struct ufsmount *); 77 void ffs_pages_remove(struct vnode *vp, vm_pindex_t start, vm_pindex_t end); 78 int ffs_reallocblks(struct vop_reallocblks_args *); 79 int ffs_realloccg(struct inode *, ufs2_daddr_t, ufs2_daddr_t, 80 ufs2_daddr_t, int, int, int, struct ucred *, struct buf **); 81 int ffs_sbupdate(struct ufsmount *, int, int); 82 void ffs_setblock(struct fs *, u_char *, ufs1_daddr_t); 83 int ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t, 84 struct workhead *); 85 void ffs_snapremove(struct vnode *vp); 86 int ffs_snapshot(struct mount *mp, char *snapfile); 87 void ffs_snapshot_mount(struct mount *mp); 88 void ffs_snapshot_unmount(struct mount *mp); 89 void process_deferred_inactive(struct mount *mp); 90 void ffs_sync_snap(struct mount *, int); 91 int ffs_syncvnode(struct vnode *vp, int waitfor); 92 int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); 93 int ffs_update(struct vnode *, int); 94 int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 95 96 int ffs_vfree(struct vnode *, ino_t, int); 97 vfs_vget_t ffs_vget; 98 int ffs_vgetf(struct mount *, ino_t, int, struct vnode **, int); 99 100 #define FFSV_FORCEINSMQ 0x0001 101 102 extern struct vop_vector ffs_vnodeops1; 103 extern struct vop_vector ffs_fifoops1; 104 extern struct vop_vector ffs_vnodeops2; 105 extern struct vop_vector ffs_fifoops2; 106 107 /* 108 * Soft update function prototypes. 109 */ 110 111 int softdep_check_suspend(struct mount *, struct vnode *, 112 int, int, int, int); 113 void softdep_get_depcounts(struct mount *, int *, int *); 114 void softdep_initialize(void); 115 void softdep_uninitialize(void); 116 int softdep_mount(struct vnode *, struct mount *, struct fs *, 117 struct ucred *); 118 void softdep_unmount(struct mount *); 119 int softdep_move_dependencies(struct buf *, struct buf *); 120 int softdep_flushworklist(struct mount *, int *, struct thread *); 121 int softdep_flushfiles(struct mount *, int, struct thread *); 122 void softdep_update_inodeblock(struct inode *, struct buf *, int); 123 void softdep_load_inodeblock(struct inode *); 124 void softdep_freefile(struct vnode *, ino_t, int); 125 int softdep_request_cleanup(struct fs *, struct vnode *, 126 struct ucred *, int); 127 void softdep_setup_freeblocks(struct inode *, off_t, int); 128 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 129 void softdep_setup_blkmapdep(struct buf *, struct mount *, ufs2_daddr_t, 130 int, int); 131 void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t, 132 ufs2_daddr_t, long, long, struct buf *); 133 void softdep_setup_allocext(struct inode *, ufs_lbn_t, ufs2_daddr_t, 134 ufs2_daddr_t, long, long, struct buf *); 135 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 136 struct buf *, int, ufs2_daddr_t); 137 void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, 138 struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *); 139 void softdep_setup_blkfree(struct mount *, struct buf *, ufs2_daddr_t, int, 140 struct workhead *); 141 void softdep_setup_inofree(struct mount *, struct buf *, ino_t, 142 struct workhead *); 143 void softdep_setup_sbupdate(struct ufsmount *, struct fs *, struct buf *); 144 void softdep_fsync_mountdev(struct vnode *); 145 int softdep_sync_metadata(struct vnode *); 146 int softdep_sync_buf(struct vnode *, struct buf *, int); 147 int softdep_process_worklist(struct mount *, int); 148 int softdep_fsync(struct vnode *); 149 int softdep_waitidle(struct mount *); 150 int softdep_prealloc(struct vnode *, int); 151 int softdep_journal_lookup(struct mount *, struct vnode **); 152 void softdep_journal_freeblocks(struct inode *, struct ucred *, off_t, int); 153 void softdep_journal_fsync(struct inode *); 154 void softdep_buf_append(struct buf *, struct workhead *); 155 void softdep_inode_append(struct inode *, struct ucred *, struct workhead *); 156 void 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 4 166 167 int ffs_rdonly(struct inode *); 168 169 #ifdef _KERNEL 170 TAILQ_HEAD(snaphead, inode); 171 172 struct snapdata { 173 LIST_ENTRY(snapdata) sn_link; 174 struct snaphead sn_head; 175 daddr_t sn_listsize; 176 daddr_t *sn_blklist; 177 struct lock sn_lock; 178 }; 179 #endif /* _KERNEL */ 180 181 #endif /* !_UFS_FFS_EXTERN_H */ 182