diff options
Diffstat (limited to 'sys/fs/ext2fs/ext2_extern.h')
| -rw-r--r-- | sys/fs/ext2fs/ext2_extern.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/sys/fs/ext2fs/ext2_extern.h b/sys/fs/ext2fs/ext2_extern.h new file mode 100644 index 000000000000..43a6eb60b328 --- /dev/null +++ b/sys/fs/ext2fs/ext2_extern.h @@ -0,0 +1,144 @@ +/*- + * modified for EXT2FS support in Lites 1.1 + * + * Aug 1995, Godmar Back (gback@cs.utah.edu) + * University of Utah, Department of Computer Science + */ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1991, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ffs_extern.h 8.3 (Berkeley) 4/16/94 + * $FreeBSD$ + */ + +#ifndef _FS_EXT2FS_EXT2_EXTERN_H_ +#define _FS_EXT2FS_EXT2_EXTERN_H_ + +struct ext2fs_dinode; +struct ext2fs_direct_2; +struct ext2fs_direct_tail; +struct ext2fs_searchslot; +struct indir; +struct inode; +struct mount; +struct vfsconf; +struct vnode; + +int ext2_add_entry(struct vnode *, struct ext2fs_direct_2 *); +int ext2_alloc(struct inode *, daddr_t, e4fs_daddr_t, int, + struct ucred *, e4fs_daddr_t *); +e4fs_daddr_t ext2_alloc_meta(struct inode *ip); +int ext2_balloc(struct inode *, + e2fs_lbn_t, int, struct ucred *, struct buf **, int); +int ext2_blkatoff(struct vnode *, off_t, char **, struct buf **); +void ext2_blkfree(struct inode *, e4fs_daddr_t, long); +e4fs_daddr_t ext2_blkpref(struct inode *, e2fs_lbn_t, int, e2fs_daddr_t *, + e2fs_daddr_t); +int ext2_bmap(struct vop_bmap_args *); +int ext2_bmaparray(struct vnode *, daddr_t, daddr_t *, int *, int *); +int ext4_bmapext(struct vnode *, int32_t, int64_t *, int *, int *); +void ext2_clusteracct(struct m_ext2fs *, char *, int, e4fs_daddr_t, int); +void ext2_dirbad(struct inode *ip, doff_t offset, char *how); +void ext2_fserr(struct m_ext2fs *, uid_t, char *); +int ext2_ei2i(struct ext2fs_dinode *, struct inode *); +int ext2_getlbns(struct vnode *, daddr_t, struct indir *, int *); +int ext2_i2ei(struct inode *, struct ext2fs_dinode *); +void ext2_itimes(struct vnode *vp); +int ext2_reallocblks(struct vop_reallocblks_args *); +int ext2_reclaim(struct vop_reclaim_args *); +int ext2_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); +int ext2_update(struct vnode *, int); +int ext2_valloc(struct vnode *, int, struct ucred *, struct vnode **); +int ext2_vfree(struct vnode *, ino_t, int); +int ext2_vinit(struct mount *, struct vop_vector *, struct vnode **vpp); +int ext2_lookup(struct vop_cachedlookup_args *); +int ext2_readdir(struct vop_readdir_args *); +#ifdef EXT2FS_DEBUG +void ext2_print_inode(struct inode *); +#endif +int ext2_direnter(struct inode *, + struct vnode *, struct componentname *); +int ext2_dirremove(struct vnode *, struct componentname *); +int ext2_dirrewrite(struct inode *, + struct inode *, struct componentname *); +int ext2_dirempty(struct inode *, ino_t, struct ucred *); +int ext2_checkpath(struct inode *, struct inode *, struct ucred *); +int ext2_cg_has_sb(struct m_ext2fs *fs, int cg); +int ext2_inactive(struct vop_inactive_args *); +int ext2_htree_add_entry(struct vnode *, struct ext2fs_direct_2 *, + struct componentname *); +int ext2_htree_create_index(struct vnode *, struct componentname *, + struct ext2fs_direct_2 *); +int ext2_htree_has_idx(struct inode *); +int ext2_htree_hash(const char *, int, uint32_t *, int, uint32_t *, + uint32_t *); +int ext2_htree_lookup(struct inode *, const char *, int, struct buf **, + int *, doff_t *, doff_t *, doff_t *, struct ext2fs_searchslot *); +int ext2_search_dirblock(struct inode *, void *, int *, const char *, int, + int *, doff_t *, doff_t *, doff_t *, struct ext2fs_searchslot *); +uint32_t e2fs_gd_get_ndirs(struct ext2_gd *gd); +uint64_t e2fs_gd_get_i_tables(struct ext2_gd *); +void ext2_sb_csum_set_seed(struct m_ext2fs *); +int ext2_sb_csum_verify(struct m_ext2fs *); +void ext2_sb_csum_set(struct m_ext2fs *); +int ext2_extattr_blk_csum_verify(struct inode *, struct buf *); +void ext2_extattr_blk_csum_set(struct inode *, struct buf *); +int ext2_dir_blk_csum_verify(struct inode *, struct buf *); +struct ext2fs_direct_tail *ext2_dirent_get_tail(struct inode *ip, + struct ext2fs_direct_2 *ep); +void ext2_dirent_csum_set(struct inode *, struct ext2fs_direct_2 *); +int ext2_dirent_csum_verify(struct inode *ip, struct ext2fs_direct_2 *ep); +void ext2_dx_csum_set(struct inode *, struct ext2fs_direct_2 *); +int ext2_dx_csum_verify(struct inode *ip, struct ext2fs_direct_2 *ep); +int ext2_extent_blk_csum_verify(struct inode *, void *); +void ext2_extent_blk_csum_set(struct inode *, void *); +void ext2_init_dirent_tail(struct ext2fs_direct_tail *); +int ext2_is_dirent_tail(struct inode *, struct ext2fs_direct_2 *); +int ext2_gd_i_bitmap_csum_verify(struct m_ext2fs *, int, struct buf *); +void ext2_gd_i_bitmap_csum_set(struct m_ext2fs *, int, struct buf *); +int ext2_gd_b_bitmap_csum_verify(struct m_ext2fs *, int, struct buf *); +void ext2_gd_b_bitmap_csum_set(struct m_ext2fs *, int, struct buf *); +int ext2_ei_csum_verify(struct inode *, struct ext2fs_dinode *); +void ext2_ei_csum_set(struct inode *, struct ext2fs_dinode *); +int ext2_gd_csum_verify(struct m_ext2fs *, struct cdev *); +void ext2_gd_csum_set(struct m_ext2fs *); + +/* Flags to low-level allocation routines. + * The low 16-bits are reserved for IO_ flags from vnode.h. + */ +#define BA_CLRBUF 0x00010000 /* Clear invalid areas of buffer. */ +#define BA_SEQMASK 0x7F000000 /* Bits holding seq heuristic. */ +#define BA_SEQSHIFT 24 +#define BA_SEQMAX 0x7F + +extern struct vop_vector ext2_vnodeops; +extern struct vop_vector ext2_fifoops; + +#endif /* !_FS_EXT2FS_EXT2_EXTERN_H_ */ |