1 | /* $NetBSD: ulfsmount.h,v 1.18 2016/06/20 03:36:09 dholland Exp $ */ |
2 | /* from NetBSD: ufsmount.h,v 1.43 2015/03/27 17:27:56 riastradh Exp */ |
3 | |
4 | /* |
5 | * Copyright (c) 1982, 1986, 1989, 1993 |
6 | * The Regents of the University of California. All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * 3. Neither the name of the University nor the names of its contributors |
17 | * may be used to endorse or promote products derived from this software |
18 | * without specific prior written permission. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
30 | * SUCH DAMAGE. |
31 | * |
32 | * @(#)ufsmount.h 8.6 (Berkeley) 3/30/95 |
33 | */ |
34 | |
35 | #ifndef _UFS_LFS_ULFSMOUNT_H_ |
36 | #define _UFS_LFS_ULFSMOUNT_H_ |
37 | |
38 | #include <sys/mount.h> /* struct export_args30 */ |
39 | |
40 | #ifdef _KERNEL |
41 | |
42 | #if defined(_KERNEL_OPT) |
43 | #include "opt_lfs.h" |
44 | #endif |
45 | |
46 | #include <sys/mutex.h> |
47 | |
48 | #include <ufs/lfs/ulfs_extattr.h> |
49 | #include <ufs/lfs/ulfs_quotacommon.h> |
50 | |
51 | struct buf; |
52 | struct inode; |
53 | struct nameidata; |
54 | struct timeval; |
55 | struct uio; |
56 | struct vnode; |
57 | |
58 | /* This structure describes the ULFS specific mount structure data. */ |
59 | struct ulfsmount { |
60 | /* Abstract vfs-level filesystem structure. */ |
61 | struct mount *um_mountp; |
62 | |
63 | /* type of fs; currently always ULFS1, theoretically also ULFS2 */ |
64 | u_long um_fstype; |
65 | |
66 | /* pointer to the filesystem-specific filesystem structure */ |
67 | struct lfs *um_lfs; |
68 | |
69 | /* Extended attribute information. */ |
70 | struct ulfs_extattr_per_mount um_extattr; |
71 | |
72 | /* Quota-related material. */ |
73 | struct vnode *um_quotas[ULFS_MAXQUOTAS]; /* quota files */ |
74 | kauth_cred_t um_cred[ULFS_MAXQUOTAS]; /* quota file access cred */ |
75 | union { |
76 | struct um_q1 { |
77 | time_t q1_btime[ULFS_MAXQUOTAS]; /* block quota time limit */ |
78 | time_t q1_itime[ULFS_MAXQUOTAS]; /* inode quota time limit */ |
79 | char q1_qflags[ULFS_MAXQUOTAS]; /* quota flags */ |
80 | } um_q1; |
81 | struct um_q2 { |
82 | uint64_t q2_bsize; /* block size of quota file */ |
83 | uint64_t q2_bmask; /* mask for above */ |
84 | } um_q2; |
85 | } um_q; |
86 | #define umq1_btime um_q.um_q1.q1_btime |
87 | #define umq1_itime um_q.um_q1.q1_itime |
88 | #define umq1_qflags um_q.um_q1.q1_qflags |
89 | #define umq2_bsize um_q.um_q2.q2_bsize |
90 | #define umq2_bmask um_q.um_q2.q2_bmask |
91 | }; |
92 | |
93 | /* ULFS-specific flags for um_flags */ |
94 | #define ULFS_NEEDSWAP 0x01 /* filesystem metadata need byte-swapping */ |
95 | /* unused 0x02 */ |
96 | #define ULFS_QUOTA 0x04 /* filesystem has QUOTA (v1) */ |
97 | #define ULFS_QUOTA2 0x08 /* filesystem has QUOTA2 */ |
98 | |
99 | /* |
100 | * Filesystem types |
101 | */ |
102 | #define ULFS1 1 |
103 | #define ULFS2 2 |
104 | |
105 | |
106 | /* |
107 | * Flags describing the state of quotas. |
108 | */ |
109 | #define QTF_OPENING 0x01 /* Q_QUOTAON in progress */ |
110 | #define QTF_CLOSING 0x02 /* Q_QUOTAOFF in progress */ |
111 | |
112 | /* Convert mount ptr to ulfsmount ptr. */ |
113 | #define VFSTOULFS(mp) ((struct ulfsmount *)((mp)->mnt_data)) |
114 | |
115 | /* |
116 | * Macros to access file system parameters (no longer) in the |
117 | * ulfsmount structure. |
118 | * Used by ulfs_bmap. |
119 | */ |
120 | #define MNINDIR(lfs) ((lfs)->um_nindir) |
121 | #define blkptrtodb(lfs, b) ((b) << (lfs)->um_bptrtodb) |
122 | |
123 | /* |
124 | * Predicate for byte-swapping support. |
125 | */ |
126 | #define FSFMT(vp) (((vp)->v_mount->mnt_iflag & IMNT_DTYPE) == 0) |
127 | |
128 | #endif /* _KERNEL */ |
129 | |
130 | #endif /* !_UFS_LFS_ULFSMOUNT_H_ */ |
131 | |