2 * modified for EXT2FS support in Lites 1.1
4 * Aug 1995, Godmar Back (gback@cs.utah.edu)
5 * University of Utah, Department of Computer Science
8 * Copyright (c) 1991, 1993, 1994
9 * The Regents of the University of California. All rights reserved.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * @(#)ffs_extern.h 8.3 (Berkeley) 4/16/94
39 #ifndef _FS_EXT2FS_EXT2_EXTERN_H_
40 #define _FS_EXT2FS_EXT2_EXTERN_H_
43 struct ext2fs_direct_2;
44 struct ext2fs_searchslot;
51 int ext2_add_entry(struct vnode *, struct ext2fs_direct_2 *);
52 int ext2_alloc(struct inode *, daddr_t, e4fs_daddr_t, int,
53 struct ucred *, e4fs_daddr_t *);
54 daddr_t ext2_allocfacl(struct inode *ip);
55 int ext2_balloc(struct inode *,
56 e2fs_lbn_t, int, struct ucred *, struct buf **, int);
57 int ext2_blkatoff(struct vnode *, off_t, char **, struct buf **);
58 void ext2_blkfree(struct inode *, e4fs_daddr_t, long);
59 e4fs_daddr_t ext2_blkpref(struct inode *, e2fs_lbn_t, int, e2fs_daddr_t *,
61 int ext2_bmap(struct vop_bmap_args *);
62 int ext2_bmaparray(struct vnode *, daddr_t, daddr_t *, int *, int *);
63 void ext2_clusteracct(struct m_ext2fs *, char *, int, daddr_t, int);
64 void ext2_dirbad(struct inode *ip, doff_t offset, char *how);
65 void ext2_ei2i(struct ext2fs_dinode *, struct inode *);
66 int ext2_getlbns(struct vnode *, daddr_t, struct indir *, int *);
67 void ext2_i2ei(struct inode *, struct ext2fs_dinode *);
68 void ext2_itimes(struct vnode *vp);
69 int ext2_reallocblks(struct vop_reallocblks_args *);
70 int ext2_reclaim(struct vop_reclaim_args *);
71 int ext2_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *);
72 int ext2_update(struct vnode *, int);
73 int ext2_valloc(struct vnode *, int, struct ucred *, struct vnode **);
74 int ext2_vfree(struct vnode *, ino_t, int);
75 int ext2_vinit(struct mount *, struct vop_vector *, struct vnode **vpp);
76 int ext2_lookup(struct vop_cachedlookup_args *);
77 int ext2_readdir(struct vop_readdir_args *);
79 void ext2_print_inode(struct inode *);
81 int ext2_direnter(struct inode *,
82 struct vnode *, struct componentname *);
83 int ext2_dirremove(struct vnode *, struct componentname *);
84 int ext2_dirrewrite(struct inode *,
85 struct inode *, struct componentname *);
86 int ext2_dirempty(struct inode *, ino_t, struct ucred *);
87 int ext2_checkpath(struct inode *, struct inode *, struct ucred *);
88 int ext2_cg_has_sb(struct m_ext2fs *fs, int cg);
89 int ext2_inactive(struct vop_inactive_args *);
90 int ext2_htree_add_entry(struct vnode *, struct ext2fs_direct_2 *,
91 struct componentname *);
92 int ext2_htree_create_index(struct vnode *, struct componentname *,
93 struct ext2fs_direct_2 *);
94 int ext2_htree_has_idx(struct inode *);
95 int ext2_htree_hash(const char *, int, uint32_t *, int, uint32_t *,
97 int ext2_htree_lookup(struct inode *, const char *, int, struct buf **,
98 int *, doff_t *, doff_t *, doff_t *, struct ext2fs_searchslot *);
99 int ext2_search_dirblock(struct inode *, void *, int *, const char *, int,
100 int *, doff_t *, doff_t *, doff_t *, struct ext2fs_searchslot *);
101 int ext2_gd_csum_verify(struct m_ext2fs *fs, struct cdev *dev);
102 void ext2_gd_csum_set(struct m_ext2fs *fs);
105 /* Flags to low-level allocation routines.
106 * The low 16-bits are reserved for IO_ flags from vnode.h.
108 #define BA_CLRBUF 0x00010000 /* Clear invalid areas of buffer. */
109 #define BA_SEQMASK 0x7F000000 /* Bits holding seq heuristic. */
110 #define BA_SEQSHIFT 24
111 #define BA_SEQMAX 0x7F
113 extern struct vop_vector ext2_vnodeops;
114 extern struct vop_vector ext2_fifoops;
116 #endif /* !_FS_EXT2FS_EXT2_EXTERN_H_ */