117 lines
4.1 KiB
C
117 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 1982, 1986, 1989, 1993
|
|
* The 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.
|
|
*
|
|
* @(#)ufsmount.h 8.6 (Berkeley) 3/30/95
|
|
* $Id$
|
|
*/
|
|
|
|
#ifndef _UFS_UFS_UFSMOUNT_H_
|
|
#define _UFS_UFS_UFSMOUNT_H_
|
|
|
|
/*
|
|
* Arguments to mount UFS-based filesystems
|
|
*/
|
|
struct ufs_args {
|
|
char *fspec; /* block special device to mount */
|
|
struct export_args export; /* network export information */
|
|
};
|
|
|
|
#ifdef MFS
|
|
/*
|
|
* Arguments to mount MFS
|
|
*/
|
|
struct mfs_args {
|
|
char *fspec; /* name to export for statfs */
|
|
struct export_args export; /* if exported MFSes are supported */
|
|
caddr_t base; /* base of file system in memory */
|
|
u_long size; /* size of file system */
|
|
};
|
|
#endif /* MFS */
|
|
|
|
#ifdef KERNEL
|
|
struct buf;
|
|
struct inode;
|
|
struct nameidata;
|
|
struct timeval;
|
|
struct ucred;
|
|
struct uio;
|
|
struct vnode;
|
|
struct netexport;
|
|
|
|
/* This structure describes the UFS specific mount structure data. */
|
|
struct ufsmount {
|
|
struct mount *um_mountp; /* filesystem vfs structure */
|
|
dev_t um_dev; /* device mounted */
|
|
struct vnode *um_devvp; /* block device mounted vnode */
|
|
|
|
union { /* pointer to superblock */
|
|
struct lfs *lfs; /* LFS */
|
|
struct fs *fs; /* FFS */
|
|
struct ext2_sb_info *e2fs; /* EXT2FS */
|
|
} ufsmount_u;
|
|
#define um_fs ufsmount_u.fs
|
|
#define um_lfs ufsmount_u.lfs
|
|
#define um_e2fs ufsmount_u.e2fs
|
|
#define um_e2fsb ufsmount_u.e2fs->s_es
|
|
|
|
struct vnode *um_quotas[MAXQUOTAS]; /* pointer to quota files */
|
|
struct ucred *um_cred[MAXQUOTAS]; /* quota file access cred */
|
|
u_long um_nindir; /* indirect ptrs per block */
|
|
u_long um_bptrtodb; /* indir ptr to disk block */
|
|
u_long um_seqinc; /* inc between seq blocks */
|
|
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 */
|
|
struct netexport um_export; /* export information */
|
|
int64_t um_savedmaxfilesize; /* XXX - limit maxfilesize */
|
|
};
|
|
|
|
/*
|
|
* Flags describing the state of quotas.
|
|
*/
|
|
#define QTF_OPENING 0x01 /* Q_QUOTAON in progress */
|
|
#define QTF_CLOSING 0x02 /* Q_QUOTAOFF in progress */
|
|
|
|
/* Convert mount ptr to ufsmount ptr. */
|
|
#define VFSTOUFS(mp) ((struct ufsmount *)((mp)->mnt_data))
|
|
|
|
/*
|
|
* Macros to access file system parameters in the ufsmount structure.
|
|
* Used by ufs_bmap.
|
|
*/
|
|
#define MNINDIR(ump) ((ump)->um_nindir)
|
|
#define blkptrtodb(ump, b) ((b) << (ump)->um_bptrtodb)
|
|
#define is_sequential(ump, a, b) ((b) == (a) + ump->um_seqinc)
|
|
#endif /* KERNEL */
|
|
|
|
#endif
|