1 /*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. 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 8.6 (Berkeley) 3/30/95 34 * $FreeBSD: src/sys/ufs/ufs/ufsmount.h,v 1.17 1999/12/29 04:55:06 peter Exp $ 35 */ 36 37 #ifndef _VFS_UFS_UFSMOUNT_H_ 38 #define _VFS_UFS_UFSMOUNT_H_ 39 40 /* 41 * Arguments to mount UFS-based filesystems 42 */ 43 struct ufs_args { 44 char *fspec; /* block special device to mount */ 45 struct export_args export; /* network export information */ 46 }; 47 48 /* 49 * Arguments to mount MFS 50 */ 51 struct mfs_args { 52 char *fspec; /* name to export for statfs */ 53 struct export_args export; /* if exported MFSes are supported */ 54 caddr_t base; /* base of filesystem in memory */ 55 u_long size; /* size of filesystem */ 56 }; 57 58 #ifdef _KERNEL 59 60 #ifdef MALLOC_DECLARE 61 MALLOC_DECLARE(M_UFSMNT); 62 #endif 63 64 struct buf; 65 struct inode; 66 struct timeval; 67 struct ucred; 68 struct uio; 69 struct vnode; 70 struct netexport; 71 72 /* This structure describes the UFS specific mount structure data. */ 73 struct ufsmount { 74 struct mount *um_mountp; /* filesystem vfs structure */ 75 cdev_t um_dev; /* device mounted */ 76 struct vnode *um_devvp; /* block device mounted vnode */ 77 78 struct fs *um_fs; /* FFS */ 79 struct vnode *um_quotas[MAXQUOTAS]; /* pointer to quota files */ 80 struct ucred *um_cred[MAXQUOTAS]; /* quota file access cred */ 81 u_long um_nindir; /* indirect ptrs per block */ 82 u_long um_bptrtodb; /* indir ptr to disk block */ 83 u_long um_seqinc; /* inc between seq blocks */ 84 ufs_time_t um_btime[MAXQUOTAS]; /* block quota time limit */ 85 ufs_time_t um_itime[MAXQUOTAS]; /* inode quota time limit */ 86 char um_qflags[MAXQUOTAS]; /* quota specific flags */ 87 struct netexport um_export; /* export information */ 88 int64_t um_savedmaxfilesize; /* XXX - limit maxfilesize */ 89 struct malloc_type *um_malloctype; /* The inodes malloctype */ 90 int um_i_effnlink_valid; /* i_effnlink valid? */ 91 struct inode **um_ihashtbl; /* inum to inode map */ 92 u_long um_ihash; /* size of hash table - 1 */ 93 }; 94 95 /* 96 * Flags describing the state of quotas. 97 */ 98 #define QTF_OPENING 0x01 /* Q_QUOTAON in progress */ 99 #define QTF_CLOSING 0x02 /* Q_QUOTAOFF in progress */ 100 101 /* Convert mount ptr to ufsmount ptr. */ 102 #define VFSTOUFS(mp) ((struct ufsmount *)((mp)->mnt_data)) 103 104 /* 105 * Macros to access filesystem parameters in the ufsmount structure. 106 * Used by ufs_bmap. 107 */ 108 #define MNINDIR(ump) ((ump)->um_nindir) 109 #define blkptrtodb(ump, b) ((b) << (ump)->um_bptrtodb) 110 #define is_sequential(ump, a, b) ((b) == (a) + ump->um_seqinc) 111 #endif /* _KERNEL */ 112 113 #endif /* !_VFS_UFS_UFSMOUNT_H_ */ 114