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 int ffs_reallocblks(struct vop_reallocblks_args *); 78 int ffs_realloccg(struct inode *, ufs2_daddr_t, ufs2_daddr_t, 79 ufs2_daddr_t, int, int, int, struct ucred *, struct buf **); 80 int ffs_sbupdate(struct ufsmount *, int, int); 81 void ffs_setblock(struct fs *, u_char *, ufs1_daddr_t); 82 int ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t); 83 void ffs_snapremove(struct vnode *vp); 84 int ffs_snapshot(struct mount *mp, char *snapfile); 85 void ffs_snapshot_mount(struct mount *mp); 86 void ffs_snapshot_unmount(struct mount *mp); 87 void process_deferred_inactive(struct mount *mp); 88 int ffs_syncvnode(struct vnode *vp, int waitfor); 89 int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); 90 int ffs_update(struct vnode *, int); 91 int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 92 93 int ffs_vfree(struct vnode *, ino_t, int); 94 vfs_vget_t ffs_vget; 95 int ffs_vgetf(struct mount *, ino_t, int, struct vnode **, int); 96 97 #define FFSV_FORCEINSMQ 0x0001 98 99 extern struct vop_vector ffs_vnodeops1; 100 extern struct vop_vector ffs_fifoops1; 101 extern struct vop_vector ffs_vnodeops2; 102 extern struct vop_vector ffs_fifoops2; 103 104 /* 105 * Soft update function prototypes. 106 */ 107 108 int softdep_check_suspend(struct mount *, struct vnode *, 109 int, int, int, int); 110 int softdep_complete_trunc(struct vnode *, void *); 111 void softdep_get_depcounts(struct mount *, int *, int *); 112 void softdep_initialize(void); 113 void softdep_uninitialize(void); 114 int softdep_mount(struct vnode *, struct mount *, struct fs *, 115 struct ucred *); 116 void softdep_unmount(struct mount *); 117 int softdep_move_dependencies(struct buf *, struct buf *); 118 int softdep_flushworklist(struct mount *, int *, struct thread *); 119 int softdep_flushfiles(struct mount *, int, struct thread *); 120 void softdep_update_inodeblock(struct inode *, struct buf *, int); 121 void softdep_load_inodeblock(struct inode *); 122 void softdep_freefile(struct vnode *, ino_t, int); 123 int softdep_request_cleanup(struct fs *, struct vnode *); 124 void softdep_setup_freeblocks(struct inode *, off_t, int); 125 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 126 void softdep_setup_blkmapdep(struct buf *, struct mount *, ufs2_daddr_t, 127 int, int); 128 void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t, 129 ufs2_daddr_t, long, long, struct buf *); 130 void softdep_setup_allocext(struct inode *, ufs_lbn_t, ufs2_daddr_t, 131 ufs2_daddr_t, long, long, struct buf *); 132 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 133 struct buf *, int, ufs2_daddr_t); 134 void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, 135 struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *); 136 void softdep_setup_blkfree(struct mount *, struct buf *, ufs2_daddr_t, int, 137 struct workhead *); 138 void softdep_setup_inofree(struct mount *, struct buf *, ino_t, 139 struct workhead *); 140 void softdep_setup_sbupdate(struct ufsmount *, struct fs *, struct buf *); 141 void *softdep_setup_trunc(struct vnode *vp, off_t length, int flags); 142 void softdep_fsync_mountdev(struct vnode *); 143 int softdep_sync_metadata(struct vnode *); 144 int softdep_process_worklist(struct mount *, int); 145 int softdep_fsync(struct vnode *); 146 int softdep_waitidle(struct mount *); 147 int softdep_prealloc(struct vnode *, int); 148 int softdep_journal_lookup(struct mount *, struct vnode **); 149 150 151 int ffs_rdonly(struct inode *); 152 153 #endif /* !_UFS_FFS_EXTERN_H */ 154