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