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      1 /*	$NetBSD: ulfs_extern.h,v 1.26 2021/07/18 23:57:15 dholland Exp $	*/
      2 /*  from NetBSD: ufs_extern.h,v 1.79 2015/03/27 17:27:56 riastradh Exp   */
      3 
      4 /*-
      5  * Copyright (c) 1991, 1993, 1994
      6  *	The Regents of the University of California.  All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. Neither the name of the University nor the names of its contributors
     17  *    may be used to endorse or promote products derived from this software
     18  *    without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30  * SUCH DAMAGE.
     31  *
     32  *	@(#)ufs_extern.h	8.10 (Berkeley) 5/14/95
     33  */
     34 
     35 #ifndef _UFS_LFS_ULFS_EXTERN_H_
     36 #define _UFS_LFS_ULFS_EXTERN_H_
     37 
     38 #include <sys/mutex.h>
     39 
     40 struct buf;
     41 struct componentname;
     42 struct disklabel;
     43 struct dquot;
     44 struct fid;
     45 struct flock;
     46 struct indir;
     47 struct inode;
     48 struct mbuf;
     49 struct mount;
     50 struct nameidata;
     51 struct lfs_direct;
     52 struct lwp;
     53 struct ulfs_args;
     54 struct ulfs_lookup_results;
     55 struct ulfs_ufid;
     56 struct ulfsmount;
     57 struct uio;
     58 struct vattr;
     59 struct vnode;
     60 
     61 __BEGIN_DECLS
     62 int	ulfs_access(void *);
     63 int	ulfs_advlock(void *);
     64 int	ulfs_bmap(void *);
     65 int	ulfs_close(void *);
     66 int	ulfs_create(void *);
     67 int	ulfs_getattr(void *);
     68 int	ulfs_inactive(void *);
     69 int	ulfs_link(void *);
     70 int	ulfs_lookup(void *);
     71 int	ulfs_open(void *);
     72 int	ulfs_pathconf(void *);
     73 int	ulfs_print(void *);
     74 int	ulfs_readdir(void *);
     75 int	ulfs_readlink(void *);
     76 int	ulfs_remove(void *);
     77 int	ulfs_rmdir(void *);
     78 int	ulfs_setattr(void *);
     79 int	ulfs_strategy(void *);
     80 int	ulfs_whiteout(void *);
     81 int	ulfsspec_close(void *);
     82 int	ulfsspec_read(void *);
     83 int	ulfsspec_write(void *);
     84 
     85 int	ulfsfifo_read(void *);
     86 int	ulfsfifo_write(void *);
     87 int	ulfsfifo_close(void *);
     88 
     89 /* ulfs_bmap.c */
     90 typedef	bool (*ulfs_issequential_callback_t)(const struct lfs *,
     91 						 daddr_t, daddr_t);
     92 int	ulfs_bmaparray(struct vnode *, daddr_t, daddr_t *, struct indir *,
     93 		      int *, int *, ulfs_issequential_callback_t);
     94 int	ulfs_getlbns(struct vnode *, daddr_t, struct indir *, int *);
     95 
     96 /* ulfs_inode.c */
     97 int	ulfs_reclaim(struct vnode *);
     98 int	ulfs_balloc_range(struct vnode *, off_t, off_t, kauth_cred_t, int);
     99 
    100 /* ulfs_lookup.c */
    101 void	ulfs_dirbad(struct inode *, doff_t, const char *);
    102 int	ulfs_dirbadentry(struct vnode *, LFS_DIRHEADER *, int);
    103 int	ulfs_direnter(struct vnode *, const struct ulfs_lookup_results *,
    104 		     struct vnode *,
    105 		     struct componentname *, ino_t, unsigned,
    106 		     struct buf *);
    107 int	ulfs_dirremove(struct vnode *, const struct ulfs_lookup_results *,
    108 		      struct inode *, int, int);
    109 int	ulfs_dirrewrite(struct inode *, off_t,
    110 		       struct inode *, ino_t, int, int, int);
    111 int	ulfs_dirempty(struct inode *, ino_t, kauth_cred_t);
    112 int	ulfs_blkatoff(struct vnode *, off_t, char **, struct buf **, bool);
    113 
    114 /* ulfs_quota.c */
    115 /*
    116  * Flags to lfs_chkdq() and lfs_chkiq()
    117  */
    118 #define	FORCE	0x01	/* force usage changes independent of limits */
    119 void	ulfsquota_init(struct inode *);
    120 void	ulfsquota_free(struct inode *);
    121 int	lfs_chkdq(struct inode *, int64_t, kauth_cred_t, int);
    122 int	lfs_chkiq(struct inode *, int32_t, kauth_cred_t, int);
    123 int	lfsquota_handle_cmd(struct mount *, struct lwp *,
    124 			 struct quotactl_args *);
    125 
    126 int	lfs_qsync(struct mount *);
    127 
    128 /* ulfs_quota1.c */
    129 int	lfsquota1_umount(struct mount *, int);
    130 
    131 /* ulfs_quota2.c */
    132 int	lfsquota2_umount(struct mount *, int);
    133 int	lfs_quota2_mount(struct mount *);
    134 
    135 /* ulfs_vfsops.c */
    136 void	ulfs_init(void);
    137 void	ulfs_reinit(void);
    138 void	ulfs_done(void);
    139 int	ulfs_start(struct mount *, int);
    140 int	ulfs_root(struct mount *, int, struct vnode **);
    141 int	ulfs_quotactl(struct mount *, struct quotactl_args *);
    142 int	ulfs_fhtovp(struct mount *, struct ulfs_ufid *, int, struct vnode **);
    143 
    144 /* ulfs_vnops.c */
    145 void	ulfs_vinit(struct mount *, int (**)(void *),
    146 		  int (**)(void *), struct vnode **);
    147 int	ulfs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t);
    148 void	ulfs_gop_markupdate(struct vnode *, int);
    149 int	ulfs_bufio(enum uio_rw, struct vnode *, void *, size_t, off_t, int,
    150 	    kauth_cred_t, size_t *, struct lwp *);
    151 
    152 /*
    153  * Snapshot function prototypes.
    154  */
    155 
    156 void	ulfs_snapgone(struct inode *);
    157 
    158 __END_DECLS
    159 
    160 #endif /* !_UFS_LFS_ULFS_EXTERN_H_ */
    161