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      1 /*	$NetBSD: ext2fs_extern.h,v 1.57 2023/08/26 05:22:50 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1991, 1993, 1994
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  *	@(#)ffs_extern.h	8.3 (Berkeley) 4/16/94
     32  * Modified for ext2fs by Manuel Bouyer.
     33  */
     34 
     35 /*-
     36  * Copyright (c) 1997 Manuel Bouyer.
     37  *
     38  * Redistribution and use in source and binary forms, with or without
     39  * modification, are permitted provided that the following conditions
     40  * are met:
     41  * 1. Redistributions of source code must retain the above copyright
     42  *    notice, this list of conditions and the following disclaimer.
     43  * 2. Redistributions in binary form must reproduce the above copyright
     44  *    notice, this list of conditions and the following disclaimer in the
     45  *    documentation and/or other materials provided with the distribution.
     46  *
     47  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     48  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     49  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     50  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     51  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     52  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     53  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     54  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     55  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     56  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     57  *
     58  *	@(#)ffs_extern.h	8.3 (Berkeley) 4/16/94
     59  * Modified for ext2fs by Manuel Bouyer.
     60  */
     61 
     62 #ifndef _UFS_EXT2FS_EXT2FS_EXTERN_H_
     63 #define _UFS_EXT2FS_EXT2FS_EXTERN_H_
     64 
     65 struct buf;
     66 struct fid;
     67 struct m_ext2fs;
     68 struct inode;
     69 struct mount;
     70 struct nameidata;
     71 struct lwp;
     72 struct proc;
     73 struct statvfs;
     74 struct timeval;
     75 struct ufsmount;
     76 struct uio;
     77 struct vnode;
     78 struct mbuf;
     79 struct componentname;
     80 struct ufs_lookup_results;
     81 struct ext2fs_searchslot;
     82 struct ext2fs_direct;
     83 
     84 extern struct pool ext2fs_inode_pool;		/* memory pool for inodes */
     85 extern struct pool ext2fs_dinode_pool;		/* memory pool for dinodes */
     86 
     87 #define	EXT2FS_ITIMES(ip, acc, mod, cre) \
     88 	while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \
     89 		ext2fs_itimes(ip, acc, mod, cre)
     90 
     91 __BEGIN_DECLS
     92 
     93 /* ext2fs_alloc.c */
     94 int ext2fs_alloc(struct inode *, daddr_t, daddr_t , kauth_cred_t,
     95 		   daddr_t *);
     96 int ext2fs_realloccg(struct inode *, daddr_t, daddr_t, int, int ,
     97 			  kauth_cred_t, struct buf **);
     98 int ext2fs_valloc(struct vnode *, int, kauth_cred_t, ino_t *);
     99 /* XXX ondisk32 */
    100 daddr_t ext2fs_blkpref(struct inode *, daddr_t, int, int32_t *);
    101 void ext2fs_blkfree(struct inode *, daddr_t);
    102 int ext2fs_vfree(struct vnode *, ino_t, int);
    103 int ext2fs_cg_verify_and_initialize(struct vnode *, struct m_ext2fs *, int);
    104 
    105 /* ext2fs_balloc.c */
    106 int ext2fs_balloc(struct inode *, daddr_t, int, kauth_cred_t,
    107 			struct buf **, int);
    108 int ext2fs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t);
    109 
    110 /* ext2fs_bmap.c */
    111 int ext2fs_bmap(void *);
    112 
    113 /* ext2fs_inode.c */
    114 uint64_t ext2fs_size(struct inode *);
    115 int ext2fs_setsize(struct inode *, uint64_t);
    116 uint64_t ext2fs_nblock(struct inode *);
    117 int ext2fs_setnblock(struct inode *, uint64_t);
    118 int ext2fs_update(struct vnode *, const struct timespec *,
    119     const struct timespec *, int);
    120 int ext2fs_truncate(struct vnode *, off_t, int, kauth_cred_t);
    121 int ext2fs_inactive(void *);
    122 
    123 /* ext2fs_lookup.c */
    124 int ext2fs_readdir(void *);
    125 int ext2fs_lookup(void *);
    126 int ext2fs_search_dirblock(struct inode *, void *, int *,
    127     const char *, int , int *, doff_t *, doff_t *, doff_t *,
    128     struct ext2fs_searchslot *);
    129 int ext2fs_direnter(struct inode *, struct vnode *,
    130 			 const struct ufs_lookup_results *,
    131 			 struct componentname *);
    132 int ext2fs_dirremove(struct vnode *, const struct ufs_lookup_results *,
    133 		     struct componentname *);
    134 int ext2fs_dirrewrite(struct inode *, const struct ufs_lookup_results *,
    135 			   struct inode *, struct componentname *);
    136 int ext2fs_dirempty(struct inode *, ino_t, kauth_cred_t);
    137 int ext2fs_add_entry(struct vnode *, struct ext2fs_direct *,
    138     const struct ufs_lookup_results *, size_t);
    139 
    140 /* ext2fs_subr.c */
    141 int ext2fs_blkatoff(struct vnode *, off_t, char **, struct buf **);
    142 void ext2fs_fragacct(struct m_ext2fs *, int, int32_t[], int);
    143 void ext2fs_itimes(struct inode *, const struct timespec *,
    144     const struct timespec *, const struct timespec *);
    145 
    146 /* ext2fs_vfsops.c */
    147 VFS_PROTOS(ext2fs);
    148 int ext2fs_reload(struct mount *, kauth_cred_t, struct lwp *);
    149 int ext2fs_mountfs(struct vnode *, struct mount *);
    150 int ext2fs_flushfiles(struct mount *, int);
    151 int ext2fs_sbupdate(struct ufsmount *, int);
    152 int ext2fs_cgupdate(struct ufsmount *, int);
    153 void ext2fs_set_inode_guid(struct inode *);
    154 
    155 /* ext2fs_readwrite.c */
    156 int ext2fs_read(void *);
    157 int ext2fs_write(void *);
    158 int ext2fs_bufrd(struct vnode *, struct uio *, int, kauth_cred_t);
    159 int ext2fs_bufwr(struct vnode *, struct uio *, int, kauth_cred_t);
    160 
    161 /* ext2fs_vnops.c */
    162 int ext2fs_create(void *);
    163 int ext2fs_mknod(void *);
    164 int ext2fs_open(void *);
    165 int ext2fs_access(void *);
    166 int ext2fs_getattr(void *);
    167 int ext2fs_setattr(void *);
    168 int ext2fs_remove(void *);
    169 int ext2fs_link(void *);
    170 int ext2fs_rename(void *);
    171 int ext2fs_mkdir(void *);
    172 int ext2fs_rmdir(void *);
    173 int ext2fs_symlink(void *);
    174 int ext2fs_readlink(void *);
    175 int ext2fs_advlock(void *);
    176 int ext2fs_fsync(void *);
    177 int ext2fs_vinit(struct mount *, int (**specops)(void *),
    178 		      int (**fifoops)(void *), struct vnode **);
    179 int ext2fs_reclaim(void *);
    180 
    181 /* ext2fs_hash.c */
    182 int ext2fs_htree_hash(const char *, int, uint32_t *, int, uint32_t *,
    183     uint32_t *);
    184 
    185 /* ext2fs_htree.c */
    186 int ext2fs_htree_has_idx(struct inode *);
    187 int ext2fs_htree_lookup(struct inode *, const char *, int, struct buf **,
    188     int *, doff_t *, doff_t *, doff_t *, struct ext2fs_searchslot *);
    189 int ext2fs_htree_create_index(struct vnode *, struct componentname *,
    190     struct ext2fs_direct *);
    191 int ext2fs_htree_add_entry(struct vnode *, struct ext2fs_direct *,
    192     struct componentname *, size_t);
    193 
    194 __END_DECLS
    195 
    196 #define IS_EXT2_VNODE(vp)   (vp->v_tag == VT_EXT2FS)
    197 
    198 extern int (**ext2fs_vnodeop_p)(void *);
    199 extern int (**ext2fs_specop_p)(void *);
    200 extern int (**ext2fs_fifoop_p)(void *);
    201 
    202 #endif /* !_UFS_EXT2FS_EXT2FS_EXTERN_H_ */
    203