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ulfs_extern.h revision 1.14
      1 /*	$NetBSD: ulfs_extern.h,v 1.14 2015/03/27 17:27:56 riastradh Exp $	*/
      2 /*  from NetBSD: ufs_extern.h,v 1.72 2012/05/09 00:21:18 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 extern pool_cache_t ulfs_direct_cache;	/* memory pool for lfs_directs */
     62 
     63 __BEGIN_DECLS
     64 #define	ulfs_abortop	genfs_abortop
     65 int	ulfs_access(void *);
     66 int	ulfs_advlock(void *);
     67 int	ulfs_bmap(void *);
     68 int	ulfs_close(void *);
     69 int	ulfs_create(void *);
     70 int	ulfs_getattr(void *);
     71 int	ulfs_inactive(void *);
     72 #define	ulfs_fcntl	genfs_fcntl
     73 #define	ulfs_ioctl	genfs_enoioctl
     74 #define	ulfs_islocked	genfs_islocked
     75 int	ulfs_link(void *);
     76 #define	ulfs_lock	genfs_lock
     77 int	ulfs_lookup(void *);
     78 #define	ulfs_mmap	genfs_mmap
     79 #define	ulfs_revoke	genfs_revoke
     80 int	ulfs_open(void *);
     81 int	ulfs_pathconf(void *);
     82 int	ulfs_print(void *);
     83 int	ulfs_readdir(void *);
     84 int	ulfs_readlink(void *);
     85 int	ulfs_remove(void *);
     86 int	ulfs_rmdir(void *);
     87 #define	ulfs_seek	genfs_seek
     88 #define	ulfs_poll	genfs_poll
     89 int	ulfs_setattr(void *);
     90 int	ulfs_strategy(void *);
     91 #define	ulfs_unlock	genfs_unlock
     92 int	ulfs_whiteout(void *);
     93 int	ulfsspec_close(void *);
     94 int	ulfsspec_read(void *);
     95 int	ulfsspec_write(void *);
     96 
     97 int	ulfsfifo_read(void *);
     98 int	ulfsfifo_write(void *);
     99 int	ulfsfifo_close(void *);
    100 
    101 /* ulfs_bmap.c */
    102 typedef	bool (*ulfs_issequential_callback_t)(const struct lfs *,
    103 						 daddr_t, daddr_t);
    104 int	ulfs_bmaparray(struct vnode *, daddr_t, daddr_t *, struct indir *,
    105 		      int *, int *, ulfs_issequential_callback_t);
    106 int	ulfs_getlbns(struct vnode *, daddr_t, struct indir *, int *);
    107 
    108 /* ulfs_ihash.c */
    109 void	ulfs_ihashinit(void);
    110 void	ulfs_ihashreinit(void);
    111 void	ulfs_ihashdone(void);
    112 struct vnode *ulfs_ihashlookup(dev_t, ino_t);
    113 struct vnode *ulfs_ihashget(dev_t, ino_t, int);
    114 void	ulfs_ihashins(struct inode *);
    115 void	ulfs_ihashrem(struct inode *);
    116 
    117 /* ulfs_inode.c */
    118 int	ulfs_reclaim(struct vnode *);
    119 int	ulfs_balloc_range(struct vnode *, off_t, off_t, kauth_cred_t, int);
    120 
    121 /* ulfs_lookup.c */
    122 void	ulfs_dirbad(struct inode *, doff_t, const char *);
    123 int	ulfs_dirbadentry(struct vnode *, struct lfs_direct *, int);
    124 void	ulfs_makedirentry(struct inode *, struct componentname *,
    125 			 struct lfs_direct *);
    126 int	ulfs_direnter(struct vnode *, const struct ulfs_lookup_results *,
    127 		     struct vnode *, struct lfs_direct *,
    128 		     struct componentname *, struct buf *);
    129 int	ulfs_dirremove(struct vnode *, const struct ulfs_lookup_results *,
    130 		      struct inode *, int, int);
    131 int	ulfs_dirrewrite(struct inode *, off_t,
    132 		       struct inode *, ino_t, int, int, int);
    133 int	ulfs_dirempty(struct inode *, ino_t, kauth_cred_t);
    134 int	ulfs_blkatoff(struct vnode *, off_t, char **, struct buf **, bool);
    135 
    136 /* ulfs_quota.c */
    137 /*
    138  * Flags to lfs_chkdq() and lfs_chkiq()
    139  */
    140 #define	FORCE	0x01	/* force usage changes independent of limits */
    141 void	ulfsquota_init(struct inode *);
    142 void	ulfsquota_free(struct inode *);
    143 int	lfs_chkdq(struct inode *, int64_t, kauth_cred_t, int);
    144 int	lfs_chkiq(struct inode *, int32_t, kauth_cred_t, int);
    145 int	lfsquota_handle_cmd(struct mount *, struct lwp *,
    146 			 struct quotactl_args *);
    147 
    148 int	lfs_qsync(struct mount *);
    149 
    150 /* ulfs_quota1.c */
    151 int	lfsquota1_umount(struct mount *, int);
    152 
    153 /* ulfs_quota2.c */
    154 int	lfsquota2_umount(struct mount *, int);
    155 int	lfs_quota2_mount(struct mount *);
    156 
    157 /* ulfs_vfsops.c */
    158 void	ulfs_init(void);
    159 void	ulfs_reinit(void);
    160 void	ulfs_done(void);
    161 int	ulfs_start(struct mount *, int);
    162 int	ulfs_root(struct mount *, struct vnode **);
    163 int	ulfs_quotactl(struct mount *, struct quotactl_args *);
    164 int	ulfs_fhtovp(struct mount *, struct ulfs_ufid *, struct vnode **);
    165 
    166 /* ulfs_vnops.c */
    167 void	ulfs_vinit(struct mount *, int (**)(void *),
    168 		  int (**)(void *), struct vnode **);
    169 int	ulfs_makeinode(int, struct vnode *, const struct ulfs_lookup_results *,
    170 		      struct vnode **, struct componentname *);
    171 int	ulfs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t);
    172 void	ulfs_gop_markupdate(struct vnode *, int);
    173 int	ulfs_bufio(enum uio_rw, struct vnode *, void *, size_t, off_t, int,
    174 	    kauth_cred_t, size_t *, struct lwp *);
    175 
    176 /*
    177  * Snapshot function prototypes.
    178  */
    179 
    180 void	ulfs_snapgone(struct inode *);
    181 
    182 __END_DECLS
    183 
    184 extern kmutex_t ulfs_ihash_lock;
    185 extern kmutex_t ulfs_hashlock;
    186 
    187 #endif /* !_UFS_LFS_ULFS_EXTERN_H_ */
    188