386BSD 0.1 development
[unix-history] / usr / src / sys.386bsd / ufs / ufsmount.h
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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 * @(#)ufsmount.h 7.9 (Berkeley) 5/8/91
34 */
35
36/*
37 * This structure describes the UFS specific mount structure data.
38 */
39struct 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/*
64 * Prototypes for UFS mount operations
65 */
66int ufs_mount __P((struct mount *mp, char *path, caddr_t data,
67 struct nameidata *ndp, struct proc *p));
68int ufs_start __P((struct mount *mp, int flags, struct proc *p));
69int ufs_unmount __P((struct mount *mp, int mntflags, struct proc *p));
70int ufs_root __P((struct mount *mp, struct vnode **vpp));
71int ufs_quotactl __P((struct mount *mp, int cmds, int uid, /* should be uid_t */
72 caddr_t arg, struct proc *p));
73int ufs_statfs __P((struct mount *mp, struct statfs *sbp, struct proc *p));
74int ufs_sync __P((struct mount *mp, int waitfor));
75int ufs_fhtovp __P((struct mount *mp, struct fid *fhp, struct vnode **vpp));
76int ufs_vptofh __P((struct vnode *vp, struct fid *fhp));
77int ufs_init __P(());