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 * SPDX-License-Identifier: BSD-3-Clause 9 * 10 * Copyright (c) 1991, 1993, 1994 11 * The Regents of the University of California. All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)ffs_extern.h 8.3 (Berkeley) 4/16/94 38 * $FreeBSD$ 39 */ 40 41 #ifndef _FS_EXT2FS_EXT2_EXTERN_H_ 42 #define _FS_EXT2FS_EXT2_EXTERN_H_ 43 44 struct ext2fs_dinode; 45 struct ext2fs_direct_2; 46 struct ext2fs_searchslot; 47 struct indir; 48 struct inode; 49 struct mount; 50 struct vfsconf; 51 struct vnode; 52 53 int ext2_add_entry(struct vnode *, struct ext2fs_direct_2 *); 54 int ext2_alloc(struct inode *, daddr_t, e4fs_daddr_t, int, 55 struct ucred *, e4fs_daddr_t *); 56 e4fs_daddr_t ext2_alloc_meta(struct inode *ip); 57 int ext2_balloc(struct inode *, 58 e2fs_lbn_t, int, struct ucred *, struct buf **, int); 59 int ext2_blkatoff(struct vnode *, off_t, char **, struct buf **); 60 void ext2_blkfree(struct inode *, e4fs_daddr_t, long); 61 e4fs_daddr_t ext2_blkpref(struct inode *, e2fs_lbn_t, int, e2fs_daddr_t *, 62 e2fs_daddr_t); 63 int ext2_bmap(struct vop_bmap_args *); 64 int ext2_bmaparray(struct vnode *, daddr_t, daddr_t *, int *, int *); 65 int ext4_bmapext(struct vnode *, int32_t, int64_t *, int *, int *); 66 void ext2_clusteracct(struct m_ext2fs *, char *, int, e4fs_daddr_t, int); 67 void ext2_dirbad(struct inode *ip, doff_t offset, char *how); 68 void ext2_fserr(struct m_ext2fs *, uid_t, char *); 69 void ext2_ei2i(struct ext2fs_dinode *, struct inode *); 70 int ext2_getlbns(struct vnode *, daddr_t, struct indir *, int *); 71 int ext2_i2ei(struct inode *, struct ext2fs_dinode *); 72 void ext2_itimes(struct vnode *vp); 73 int ext2_reallocblks(struct vop_reallocblks_args *); 74 int ext2_reclaim(struct vop_reclaim_args *); 75 int ext2_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); 76 int ext2_update(struct vnode *, int); 77 int ext2_valloc(struct vnode *, int, struct ucred *, struct vnode **); 78 int ext2_vfree(struct vnode *, ino_t, int); 79 int ext2_vinit(struct mount *, struct vop_vector *, struct vnode **vpp); 80 int ext2_lookup(struct vop_cachedlookup_args *); 81 int ext2_readdir(struct vop_readdir_args *); 82 #ifdef EXT2FS_DEBUG 83 void ext2_print_inode(struct inode *); 84 #endif 85 int ext2_direnter(struct inode *, 86 struct vnode *, struct componentname *); 87 int ext2_dirremove(struct vnode *, struct componentname *); 88 int ext2_dirrewrite(struct inode *, 89 struct inode *, struct componentname *); 90 int ext2_dirempty(struct inode *, ino_t, struct ucred *); 91 int ext2_checkpath(struct inode *, struct inode *, struct ucred *); 92 int ext2_cg_has_sb(struct m_ext2fs *fs, int cg); 93 int ext2_inactive(struct vop_inactive_args *); 94 int ext2_htree_add_entry(struct vnode *, struct ext2fs_direct_2 *, 95 struct componentname *); 96 int ext2_htree_create_index(struct vnode *, struct componentname *, 97 struct ext2fs_direct_2 *); 98 int ext2_htree_has_idx(struct inode *); 99 int ext2_htree_hash(const char *, int, uint32_t *, int, uint32_t *, 100 uint32_t *); 101 int ext2_htree_lookup(struct inode *, const char *, int, struct buf **, 102 int *, doff_t *, doff_t *, doff_t *, struct ext2fs_searchslot *); 103 int ext2_search_dirblock(struct inode *, void *, int *, const char *, int, 104 int *, doff_t *, doff_t *, doff_t *, struct ext2fs_searchslot *); 105 int ext2_gd_csum_verify(struct m_ext2fs *fs, struct cdev *dev); 106 void ext2_gd_csum_set(struct m_ext2fs *fs); 107 108 109 /* Flags to low-level allocation routines. 110 * The low 16-bits are reserved for IO_ flags from vnode.h. 111 */ 112 #define BA_CLRBUF 0x00010000 /* Clear invalid areas of buffer. */ 113 #define BA_SEQMASK 0x7F000000 /* Bits holding seq heuristic. */ 114 #define BA_SEQSHIFT 24 115 #define BA_SEQMAX 0x7F 116 117 extern struct vop_vector ext2_vnodeops; 118 extern struct vop_vector ext2_fifoops; 119 120 #endif /* !_FS_EXT2FS_EXT2_EXTERN_H_ */ 121