xref: /386bsd/usr/src/kernel/include/fs/ufs_mount.h (revision a2142627)
1 /*
2  * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	$Id$
34  */
35 
36 /*
37  * This structure describes the UFS specific mount structure data.
38  */
39 struct	ufsmount {
40 	struct	mount *um_mountp;	/* vfs structure for this filesystem */
41 	dev_t	um_dev;			/* device mounted */
42 	struct	vnode *um_devvp;	/* vnode for block device mounted */
43 	struct	fs *um_fs;		/* pointer to superblock */
44 	struct	vnode *um_quotas[MAXQUOTAS]; /* pointer to quota files */
45 	struct	ucred *um_cred[MAXQUOTAS]; /* cred for access to quota file */
46 	time_t	um_btime[MAXQUOTAS];	/* block quota time limit */
47 	time_t	um_itime[MAXQUOTAS];	/* inode quota time limit */
48 	char	um_qflags[MAXQUOTAS];	/* quota specific flags, see below */
49 };
50 /*
51  * Flags describing the state of quotas.
52  */
53 #define	QTF_OPENING	0x01		/* Q_QUOTAON in progress */
54 #define	QTF_CLOSING	0x02		/* Q_QUOTAOFF in progress */
55 
56 #ifdef KERNEL
57 /*
58  * Convert mount ptr to ufsmount ptr.
59  */
60 #define VFSTOUFS(mp)	((struct ufsmount *)((mp)->mnt_data))
61 #endif /* KERNEL */
62 
63 #ifdef nope
64 /*
65  * Prototypes for UFS mount operations
66  */
67 int ufs_mount __P((struct mount *mp, char *path, caddr_t data,
68 	struct nameidata *ndp, struct proc *p));
69 int ufs_start __P((struct mount *mp, int flags, struct proc *p));
70 int ufs_unmount __P((struct mount *mp, int mntflags, struct proc *p));
71 int ufs_root __P((struct mount *mp, struct vnode **vpp));
72 int ufs_quotactl __P((struct mount *mp, int cmds, int uid, /* should be uid_t */
73 	caddr_t arg, struct proc *p));
74 int ufs_statfs __P((struct mount *mp, struct statfs *sbp, struct proc *p));
75 int ufs_sync __P((struct mount *mp, int waitfor));
76 int ufs_fhtovp __P((struct mount *mp, struct fid *fhp, struct vnode **vpp));
77 int ufs_vptofh __P((struct vnode *vp, struct fid *fhp));
78 int ufs_init __P(());
79 #endif
80