| 1 | /* |
| 2 | * modified for EXT2FS support in Lites 1.1 |
| 3 | * |
| 4 | * Aug 1995, Godmar Back (gback@cs.utah.edu) |
| 5 | * University of Utah, Department of Computer Science |
| 6 | */ |
| 7 | /*- |
| 8 | * Copyright (c) 1991, 1993, 1994 |
| 9 | * The Regents of the University of California. All rights reserved. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * 3. All advertising materials mentioning features or use of this software |
| 20 | * must display the following acknowledgement: |
| 21 | * This product includes software developed by the University of |
| 22 | * California, Berkeley and its contributors. |
| 23 | * 4. Neither the name of the University nor the names of its contributors |
| 24 | * may be used to endorse or promote products derived from this software |
| 25 | * without specific prior written permission. |
| 26 | * |
| 27 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 28 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 29 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 30 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 31 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 33 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 35 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 36 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 37 | * SUCH DAMAGE. |
| 38 | * |
| 39 | * @(#)ffs_extern.h 8.3 (Berkeley) 4/16/94 |
| 40 | * $FreeBSD: src/sys/gnu/ext2fs/ext2_extern.h,v 1.22.6.1 2000/11/05 19:17:40 bde Exp $ |
| 41 | * $DragonFly: src/sys/vfs/gnu/ext2fs/ext2_extern.h,v 1.12 2006/09/10 01:26:40 dillon Exp $ |
| 42 | */ |
| 43 | |
| 44 | #ifndef _VFS_GNU_EXT2FS_EXT2_EXTERN_H_ |
| 45 | #define _VFS_GNU_EXT2FS_EXT2_EXTERN_H_ |
| 46 | |
| 47 | struct ext2_dinode; |
| 48 | struct ext2_inode; |
| 49 | struct inode; |
| 50 | struct mount; |
| 51 | struct vfsconf; |
| 52 | struct vnode; |
| 53 | struct indir; |
| 54 | |
| 55 | int ext2_alloc (struct inode *, |
| 56 | daddr_t, daddr_t, int, struct ucred *, daddr_t *); |
| 57 | int ext2_balloc (struct inode *, |
| 58 | daddr_t, int, struct ucred *, struct buf **, int); |
| 59 | int ext2_blkatoff (struct vnode *, off_t, char **, struct buf **); |
| 60 | void ext2_blkfree (struct inode *, daddr_t, long); |
| 61 | daddr_t ext2_blkpref (struct inode *, daddr_t, int, daddr_t *, daddr_t); |
| 62 | int ext2_bmap (struct vop_bmap_args *); |
| 63 | int ext2_reallocblks (struct vop_reallocblks_args *); |
| 64 | int ext2_reclaim (struct vop_reclaim_args *); |
| 65 | void ext2_setblock (struct ext2_sb_info *, u_char *, daddr_t); |
| 66 | int ext2_truncate (struct vnode *, off_t, int, struct ucred *); |
| 67 | int ext2_update (struct vnode *, int); |
| 68 | int ext2_valloc (struct vnode *, int, struct ucred *, struct vnode **); |
| 69 | int ext2_vfree (struct vnode *, ino_t, int); |
| 70 | int ext2_lookup (struct vop_old_lookup_args *); |
| 71 | int ext2_readdir (struct vop_readdir_args *); |
| 72 | void ext2_print_dinode (struct ext2_dinode *); |
| 73 | void ext2_print_inode (struct inode *); |
| 74 | int ext2_direnter (struct inode *, |
| 75 | struct vnode *, struct componentname *); |
| 76 | int ext2_dirremove (struct vnode *, struct componentname *); |
| 77 | int ext2_dirrewrite (struct inode *, |
| 78 | struct inode *, struct componentname *); |
| 79 | int ext2_dirempty (struct inode *, ino_t, struct ucred *); |
| 80 | int ext2_checkpath (struct inode *, struct inode *, struct ucred *); |
| 81 | struct ext2_group_desc * get_group_desc (struct mount * , |
| 82 | unsigned int , struct buf ** ); |
| 83 | int ext2_group_sparse (int group); |
| 84 | void ext2_discard_prealloc (struct inode *); |
| 85 | int ext2_inactive (struct vop_inactive_args *); |
| 86 | int ext2_new_block (struct mount * mp, unsigned long goal, |
| 87 | u_int32_t * prealloc_count, |
| 88 | u_int32_t * prealloc_block); |
| 89 | ino_t ext2_new_inode (const struct inode * dir, int mode); |
| 90 | unsigned long ext2_count_free (struct buf *map, unsigned int numchars); |
| 91 | void ext2_free_blocks (struct mount * mp, unsigned long block, |
| 92 | unsigned long count); |
| 93 | void ext2_free_inode (struct inode * inode); |
| 94 | void ext2_ei2di (struct ext2_inode *ei, struct ext2_dinode *di); |
| 95 | void ext2_di2ei (struct ext2_dinode *di, struct ext2_inode *ei); |
| 96 | void mark_buffer_dirty (struct buf *bh); |
| 97 | |
| 98 | int ext2_getlbns(struct vnode *, ext2_daddr_t, struct indir *, int *); |
| 99 | void ext2_itimes(struct vnode *vp); |
| 100 | struct vnode *ext2_ihashget(cdev_t, ino_t); |
| 101 | int ext2_ihashins(struct inode *); |
| 102 | void ext2_ihashrem(struct inode *); |
| 103 | void ext2_dirbad(struct inode *, doff_t, char *); |
| 104 | int ext2_check_export(struct mount *, struct sockaddr *, int *, |
| 105 | struct ucred **); |
| 106 | int ext2_vinit(struct mount *, struct vnode **); |
| 107 | int ext2_vnoperate(struct vop_generic_args *); |
| 108 | int ext2_vnoperatefifo(struct vop_generic_args *); |
| 109 | int ext2_vnoperatespec(struct vop_generic_args *); |
| 110 | int ext2_uninit(struct vfsconf *); |
| 111 | void ext2_ihashinit(void); |
| 112 | struct vnode *ext2_ihashlookup(cdev_t dev, ino_t inum); |
| 113 | int ext2_ihashcheck(cdev_t dev, ino_t inum); |
| 114 | |
| 115 | /* |
| 116 | * This macro allows the ufs code to distinguish between an EXT2 and a |
| 117 | * non-ext2(FFS/LFS) vnode. |
| 118 | */ |
| 119 | #define IS_EXT2_VNODE(vp) (vp->v_mount->mnt_stat.f_type == MOUNT_EXT2FS) |
| 120 | |
| 121 | #endif /* !_VFS_GNU_EXT2FS_EXT2_EXTERN_H_ */ |