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ulfsmount.h revision 1.7.2.3
      1  1.7.2.2  tls /*	$NetBSD: ulfsmount.h,v 1.7.2.3 2014/08/20 00:04:45 tls Exp $	*/
      2  1.7.2.2  tls /*  from NetBSD: ufsmount.h,v 1.39 2012/10/19 17:09:08 drochner Exp  */
      3  1.7.2.2  tls 
      4  1.7.2.2  tls /*
      5  1.7.2.2  tls  * Copyright (c) 1982, 1986, 1989, 1993
      6  1.7.2.2  tls  *	The Regents of the University of California.  All rights reserved.
      7  1.7.2.2  tls  *
      8  1.7.2.2  tls  * Redistribution and use in source and binary forms, with or without
      9  1.7.2.2  tls  * modification, are permitted provided that the following conditions
     10  1.7.2.2  tls  * are met:
     11  1.7.2.2  tls  * 1. Redistributions of source code must retain the above copyright
     12  1.7.2.2  tls  *    notice, this list of conditions and the following disclaimer.
     13  1.7.2.2  tls  * 2. Redistributions in binary form must reproduce the above copyright
     14  1.7.2.2  tls  *    notice, this list of conditions and the following disclaimer in the
     15  1.7.2.2  tls  *    documentation and/or other materials provided with the distribution.
     16  1.7.2.2  tls  * 3. Neither the name of the University nor the names of its contributors
     17  1.7.2.2  tls  *    may be used to endorse or promote products derived from this software
     18  1.7.2.2  tls  *    without specific prior written permission.
     19  1.7.2.2  tls  *
     20  1.7.2.2  tls  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     21  1.7.2.2  tls  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22  1.7.2.2  tls  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23  1.7.2.2  tls  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     24  1.7.2.2  tls  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25  1.7.2.2  tls  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26  1.7.2.2  tls  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27  1.7.2.2  tls  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28  1.7.2.2  tls  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29  1.7.2.2  tls  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30  1.7.2.2  tls  * SUCH DAMAGE.
     31  1.7.2.2  tls  *
     32  1.7.2.2  tls  *	@(#)ufsmount.h	8.6 (Berkeley) 3/30/95
     33  1.7.2.2  tls  */
     34  1.7.2.2  tls 
     35  1.7.2.2  tls #ifndef _UFS_LFS_ULFSMOUNT_H_
     36  1.7.2.2  tls #define _UFS_LFS_ULFSMOUNT_H_
     37  1.7.2.2  tls 
     38  1.7.2.2  tls #include <sys/mount.h> /* struct export_args30 */
     39  1.7.2.2  tls 
     40  1.7.2.2  tls #ifdef _KERNEL
     41  1.7.2.2  tls 
     42  1.7.2.2  tls #if defined(_KERNEL_OPT)
     43  1.7.2.2  tls #include "opt_lfs.h"
     44  1.7.2.2  tls #endif
     45  1.7.2.2  tls 
     46  1.7.2.2  tls #include <sys/mutex.h>
     47  1.7.2.2  tls 
     48  1.7.2.2  tls #include <ufs/lfs/ulfs_extattr.h>
     49  1.7.2.2  tls #include <ufs/lfs/ulfs_quotacommon.h>
     50  1.7.2.2  tls 
     51  1.7.2.2  tls struct buf;
     52  1.7.2.2  tls struct inode;
     53  1.7.2.2  tls struct nameidata;
     54  1.7.2.2  tls struct timeval;
     55  1.7.2.2  tls struct uio;
     56  1.7.2.2  tls struct vnode;
     57  1.7.2.2  tls 
     58  1.7.2.2  tls /* This structure describes the ULFS specific mount structure data. */
     59  1.7.2.2  tls struct ulfsmount {
     60  1.7.2.3  tls 	/* Abstract vfs-level filesystem structure. */
     61  1.7.2.3  tls 	struct mount *um_mountp;
     62  1.7.2.3  tls 
     63  1.7.2.3  tls 	/* The block device we're mounted on. */
     64  1.7.2.3  tls 	dev_t um_dev;
     65  1.7.2.3  tls 	struct vnode *um_devvp;
     66  1.7.2.3  tls 
     67  1.7.2.3  tls 	/* type of fs; currently always ULFS1, theoretically also ULFS2 */
     68  1.7.2.3  tls 	u_long um_fstype;
     69  1.7.2.3  tls 
     70  1.7.2.3  tls 	/* pointer to the filesystem-specific filesystem structure */
     71  1.7.2.3  tls 	struct lfs *um_lfs;
     72  1.7.2.2  tls 
     73  1.7.2.2  tls 	/* Extended attribute information. */
     74  1.7.2.2  tls 	struct ulfs_extattr_per_mount um_extattr;
     75  1.7.2.2  tls 
     76  1.7.2.3  tls 	/* Quota-related material. */
     77  1.7.2.3  tls 	struct vnode *um_quotas[ULFS_MAXQUOTAS]; /* quota files */
     78  1.7.2.3  tls 	kauth_cred_t um_cred[ULFS_MAXQUOTAS];	/* quota file access cred */
     79  1.7.2.2  tls 	union {
     80  1.7.2.2  tls 	    struct um_q1 {
     81  1.7.2.3  tls 		time_t	q1_btime[ULFS_MAXQUOTAS]; /* block quota time limit */
     82  1.7.2.3  tls 		time_t	q1_itime[ULFS_MAXQUOTAS]; /* inode quota time limit */
     83  1.7.2.3  tls 		char	q1_qflags[ULFS_MAXQUOTAS]; /* quota flags */
     84  1.7.2.2  tls 	    } um_q1;
     85  1.7.2.2  tls 	    struct um_q2 {
     86  1.7.2.2  tls 		uint64_t q2_bsize;		/* block size of quota file */
     87  1.7.2.2  tls 		uint64_t q2_bmask;		/* mask for above */
     88  1.7.2.2  tls 	    } um_q2;
     89  1.7.2.2  tls 	} um_q;
     90  1.7.2.2  tls #define umq1_btime  um_q.um_q1.q1_btime
     91  1.7.2.2  tls #define umq1_itime  um_q.um_q1.q1_itime
     92  1.7.2.2  tls #define umq1_qflags um_q.um_q1.q1_qflags
     93  1.7.2.2  tls #define umq2_bsize  um_q.um_q2.q2_bsize
     94  1.7.2.2  tls #define umq2_bmask  um_q.um_q2.q2_bmask
     95  1.7.2.2  tls };
     96  1.7.2.2  tls 
     97  1.7.2.3  tls /* ULFS-specific flags for um_flags */
     98  1.7.2.2  tls #define ULFS_NEEDSWAP	0x01	/* filesystem metadata need byte-swapping */
     99  1.7.2.2  tls /*	unused		0x02	   */
    100  1.7.2.2  tls #define ULFS_QUOTA	0x04	/* filesystem has QUOTA (v1) */
    101  1.7.2.2  tls #define ULFS_QUOTA2	0x08	/* filesystem has QUOTA2 */
    102  1.7.2.2  tls 
    103  1.7.2.2  tls /*
    104  1.7.2.2  tls  * Filesystem types
    105  1.7.2.2  tls  */
    106  1.7.2.2  tls #define ULFS1  1
    107  1.7.2.2  tls #define ULFS2  2
    108  1.7.2.2  tls 
    109  1.7.2.2  tls 
    110  1.7.2.2  tls /*
    111  1.7.2.2  tls  * Flags describing the state of quotas.
    112  1.7.2.2  tls  */
    113  1.7.2.2  tls #define	QTF_OPENING	0x01			/* Q_QUOTAON in progress */
    114  1.7.2.2  tls #define	QTF_CLOSING	0x02			/* Q_QUOTAOFF in progress */
    115  1.7.2.2  tls 
    116  1.7.2.2  tls /* Convert mount ptr to ulfsmount ptr. */
    117  1.7.2.2  tls #define VFSTOULFS(mp)	((struct ulfsmount *)((mp)->mnt_data))
    118  1.7.2.2  tls 
    119  1.7.2.2  tls /*
    120  1.7.2.3  tls  * Macros to access file system parameters (no longer) in the
    121  1.7.2.3  tls  * ulfsmount structure.
    122  1.7.2.2  tls  * Used by ulfs_bmap.
    123  1.7.2.2  tls  */
    124  1.7.2.3  tls #define MNINDIR(lfs)			((lfs)->um_nindir)
    125  1.7.2.3  tls #define	blkptrtodb(lfs, b)		((b) << (lfs)->um_bptrtodb)
    126  1.7.2.2  tls 
    127  1.7.2.2  tls /*
    128  1.7.2.2  tls  * Predicate for byte-swapping support.
    129  1.7.2.2  tls  */
    130  1.7.2.2  tls #define	FSFMT(vp)	(((vp)->v_mount->mnt_iflag & IMNT_DTYPE) == 0)
    131  1.7.2.2  tls 
    132  1.7.2.2  tls #endif /* _KERNEL */
    133  1.7.2.2  tls 
    134  1.7.2.2  tls #endif /* !_UFS_LFS_ULFSMOUNT_H_ */
    135