/* $NetBSD: ext2fs_extern.h,v 1.57 2023/08/26 05:22:50 riastradh Exp $ */

/* $NetBSD: ext2fs_extern.h,v 1.57 2023/08/26 05:22:50 riastradh Exp $ */

/*-
* 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
* Modified for ext2fs by Manuel Bouyer.
*/

/*-
* Copyright (c) 1997 Manuel Bouyer.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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
* Modified for ext2fs by Manuel Bouyer.
*/

#ifndef _UFS_EXT2FS_EXT2FS_EXTERN_H_
#define _UFS_EXT2FS_EXT2FS_EXTERN_H_

struct buf;
struct fid;
struct m_ext2fs;
struct inode;
struct mount;
struct nameidata;
struct lwp;
struct proc;
struct statvfs;
struct timeval;
struct ufsmount;
struct uio;
struct vnode;
struct mbuf;
struct componentname;
struct ufs_lookup_results;
struct ext2fs_searchslot;
struct ext2fs_direct;

extern struct pool ext2fs_inode_pool; /* memory pool for inodes */
extern struct pool ext2fs_dinode_pool; /* memory pool for dinodes */

#define EXT2FS_ITIMES(ip, acc, mod, cre) \
while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \
ext2fs_itimes(ip, acc, mod, cre)

__BEGIN_DECLS

/* ext2fs_alloc.c */
int ext2fs_alloc(struct inode *, daddr_t, daddr_t , kauth_cred_t,
daddr_t *);
int ext2fs_realloccg(struct inode *, daddr_t, daddr_t, int, int ,
kauth_cred_t, struct buf **);
int ext2fs_valloc(struct vnode *, int, kauth_cred_t, ino_t *);
/* XXX ondisk32 */
daddr_t ext2fs_blkpref(struct inode *, daddr_t, int, int32_t *);
void ext2fs_blkfree(struct inode *, daddr_t);
int ext2fs_vfree(struct vnode *, ino_t, int);
int ext2fs_cg_verify_and_initialize(struct vnode *, struct m_ext2fs *, int);

/* ext2fs_balloc.c */
int ext2fs_balloc(struct inode *, daddr_t, int, kauth_cred_t,
struct buf **, int);
int ext2fs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t);

/* ext2fs_bmap.c */
int ext2fs_bmap(void *);

/* ext2fs_inode.c */
uint64_t ext2fs_size(struct inode *);
int ext2fs_setsize(struct inode *, uint64_t);
uint64_t ext2fs_nblock(struct inode *);
int ext2fs_setnblock(struct inode *, uint64_t);
int ext2fs_update(struct vnode *, const struct timespec *,
const struct timespec *, int);
int ext2fs_truncate(struct vnode *, off_t, int, kauth_cred_t);
int ext2fs_inactive(void *);

/* ext2fs_lookup.c */
int ext2fs_readdir(void *);
int ext2fs_lookup(void *);
int ext2fs_search_dirblock(struct inode *, void *, int *,
const char *, int , int *, doff_t *, doff_t *, doff_t *,
struct ext2fs_searchslot *);
int ext2fs_direnter(struct inode *, struct vnode *,
const struct ufs_lookup_results *,
struct componentname *);
int ext2fs_dirremove(struct vnode *, const struct ufs_lookup_results *,
struct componentname *);
int ext2fs_dirrewrite(struct inode *, const struct ufs_lookup_results *,
struct inode *, struct componentname *);
int ext2fs_dirempty(struct inode *, ino_t, kauth_cred_t);
int ext2fs_add_entry(struct vnode *, struct ext2fs_direct *,
const struct ufs_lookup_results *, size_t);

/* ext2fs_subr.c */
int ext2fs_blkatoff(struct vnode *, off_t, char **, struct buf **);
void ext2fs_fragacct(struct m_ext2fs *, int, int32_t[], int);
void ext2fs_itimes(struct inode *, const struct timespec *,
const struct timespec *, const struct timespec *);

/* ext2fs_vfsops.c */
VFS_PROTOS(ext2fs);
int ext2fs_reload(struct mount *, kauth_cred_t, struct lwp *);
int ext2fs_mountfs(struct vnode *, struct mount *);
int ext2fs_flushfiles(struct mount *, int);
int ext2fs_sbupdate(struct ufsmount *, int);
int ext2fs_cgupdate(struct ufsmount *, int);
void ext2fs_set_inode_guid(struct inode *);

/* ext2fs_readwrite.c */
int ext2fs_read(void *);
int ext2fs_write(void *);
int ext2fs_bufrd(struct vnode *, struct uio *, int, kauth_cred_t);
int ext2fs_bufwr(struct vnode *, struct uio *, int, kauth_cred_t);

/* ext2fs_vnops.c */
int ext2fs_create(void *);
int ext2fs_mknod(void *);
int ext2fs_open(void *);
int ext2fs_access(void *);
int ext2fs_getattr(void *);
int ext2fs_setattr(void *);
int ext2fs_remove(void *);
int ext2fs_link(void *);
int ext2fs_rename(void *);
int ext2fs_mkdir(void *);
int ext2fs_rmdir(void *);
int ext2fs_symlink(void *);
int ext2fs_readlink(void *);
int ext2fs_advlock(void *);
int ext2fs_fsync(void *);
int ext2fs_vinit(struct mount *, int (**specops)(void *),
int (**fifoops)(void *), struct vnode **);
int ext2fs_reclaim(void *);

/* ext2fs_hash.c */
int ext2fs_htree_hash(const char *, int, uint32_t *, int, uint32_t *,
uint32_t *);

/* ext2fs_htree.c */
int ext2fs_htree_has_idx(struct inode *);
int ext2fs_htree_lookup(struct inode *, const char *, int, struct buf **,
int *, doff_t *, doff_t *, doff_t *, struct ext2fs_searchslot *);
int ext2fs_htree_create_index(struct vnode *, struct componentname *,
struct ext2fs_direct *);
int ext2fs_htree_add_entry(struct vnode *, struct ext2fs_direct *,
struct componentname *, size_t);

__END_DECLS

#define IS_EXT2_VNODE(vp) (vp->v_tag == VT_EXT2FS)

extern int (**ext2fs_vnodeop_p)(void *);
extern int (**ext2fs_specop_p)(void *);
extern int (**ext2fs_fifoop_p)(void *);

#endif /* !_UFS_EXT2FS_EXT2FS_EXTERN_H_ */