NetBSD/sys/ufs/ufsmount.h

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/*
* Copyright (c) 1982, 1986, 1989 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)ufsmount.h 7.9 (Berkeley) 5/8/91
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* $Id: ufsmount.h,v 1.4 1994/03/27 09:10:36 cgd Exp $
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*/
#ifndef _UFS_UFSMOUNT_H_
#define _UFS_UFSMOUNT_H_
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/*
* This structure describes the UFS specific mount structure data.
*/
struct ufsmount {
struct mount *um_mountp; /* vfs structure for this filesystem */
dev_t um_dev; /* device mounted */
struct vnode *um_devvp; /* vnode for block device mounted */
struct fs *um_fs; /* pointer to superblock */
struct vnode *um_quotas[MAXQUOTAS]; /* pointer to quota files */
struct ucred *um_cred[MAXQUOTAS]; /* cred for access to quota file */
time_t um_btime[MAXQUOTAS]; /* block quota time limit */
time_t um_itime[MAXQUOTAS]; /* inode quota time limit */
char um_qflags[MAXQUOTAS]; /* quota specific flags, see below */
};
/*
* Flags describing the state of quotas.
*/
#define QTF_OPENING 0x01 /* Q_QUOTAON in progress */
#define QTF_CLOSING 0x02 /* Q_QUOTAOFF in progress */
#ifdef KERNEL
/*
* Convert mount ptr to ufsmount ptr.
*/
#define VFSTOUFS(mp) ((struct ufsmount *)((mp)->mnt_data))
#endif /* KERNEL */
/*
* Prototypes for UFS mount operations
*/
int ufs_mount __P((struct mount *mp, char *path, caddr_t data,
struct nameidata *ndp, struct proc *p));
int ufs_start __P((struct mount *mp, int flags, struct proc *p));
int ufs_unmount __P((struct mount *mp, int mntflags, struct proc *p));
int ufs_root __P((struct mount *mp, struct vnode **vpp));
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int ufs_quotactl __P((struct mount *mp, int cmds, uid_t uid, caddr_t arg,
struct proc *p));
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int ufs_statfs __P((struct mount *mp, struct statfs *sbp, struct proc *p));
int ufs_sync __P((struct mount *mp, int waitfor));
int ufs_fhtovp __P((struct mount *mp, struct fid *fhp, struct vnode **vpp));
int ufs_vptofh __P((struct vnode *vp, struct fid *fhp));
int ufs_init __P(());
#endif /* !_UFS_UFSMOUNT_H_ */