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ufsmount.h (207736) ufsmount.h (213664)
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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)ufsmount.h 8.6 (Berkeley) 3/30/95
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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)ufsmount.h 8.6 (Berkeley) 3/30/95
30 * $FreeBSD: head/sys/ufs/ufs/ufsmount.h 207736 2010-05-07 00:41:12Z mckusick $
30 * $FreeBSD: head/sys/ufs/ufs/ufsmount.h 213664 2010-10-10 07:05:47Z kib $
31 */
32
33#ifndef _UFS_UFS_UFSMOUNT_H_
34#define _UFS_UFS_UFSMOUNT_H_
35
36#include <sys/buf.h> /* XXX For struct workhead. */
37
38/*
39 * Arguments to mount UFS-based filesystems
40 */
41struct ufs_args {
42 char *fspec; /* block special device to mount */
31 */
32
33#ifndef _UFS_UFS_UFSMOUNT_H_
34#define _UFS_UFS_UFSMOUNT_H_
35
36#include <sys/buf.h> /* XXX For struct workhead. */
37
38/*
39 * Arguments to mount UFS-based filesystems
40 */
41struct ufs_args {
42 char *fspec; /* block special device to mount */
43 struct export_args export; /* network export information */
43 struct oexport_args export; /* network export information */
44};
45
46#ifdef _KERNEL
47
48#ifdef MALLOC_DECLARE
49MALLOC_DECLARE(M_UFSMNT);
50#endif
51
52struct buf;
53struct inode;
54struct nameidata;
55struct timeval;
56struct ucred;
57struct uio;
58struct vnode;
59struct ufs_extattr_per_mount;
60struct jblocks;
61struct inodedep;
62
63TAILQ_HEAD(inodedeplst, inodedep);
64
65/* This structure describes the UFS specific mount structure data. */
66struct ufsmount {
67 struct mount *um_mountp; /* filesystem vfs structure */
68 struct cdev *um_dev; /* device mounted */
69 struct g_consumer *um_cp;
70 struct bufobj *um_bo; /* Buffer cache object */
71 struct vnode *um_devvp; /* block device mounted vnode */
72 u_long um_fstype; /* type of filesystem */
73 struct fs *um_fs; /* pointer to superblock */
74 struct ufs_extattr_per_mount um_extattr; /* extended attrs */
75 u_long um_nindir; /* indirect ptrs per block */
76 u_long um_bptrtodb; /* indir ptr to disk block */
77 u_long um_seqinc; /* inc between seq blocks */
78 struct mtx um_lock; /* Protects ufsmount & fs */
79 long um_numindirdeps; /* outstanding indirdeps */
80 struct workhead softdep_workitem_pending; /* softdep work queue */
81 struct worklist *softdep_worklist_tail; /* Tail pointer for above */
82 struct workhead softdep_journal_pending; /* journal work queue */
83 struct worklist *softdep_journal_tail; /* Tail pointer for above */
84 struct jblocks *softdep_jblocks; /* Journal block information */
85 struct inodedeplst softdep_unlinked; /* Unlinked inodes */
86 int softdep_on_journal; /* Items on the journal list */
87 int softdep_on_worklist; /* Items on the worklist */
88 int softdep_on_worklist_inprogress; /* Busy items on worklist */
89 int softdep_deps; /* Total dependency count */
90 int softdep_accdeps; /* accumulated dep count */
91 int softdep_req; /* Wakeup when deps hits 0. */
92 struct vnode *um_quotas[MAXQUOTAS]; /* pointer to quota files */
93 struct ucred *um_cred[MAXQUOTAS]; /* quota file access cred */
94 time_t um_btime[MAXQUOTAS]; /* block quota time limit */
95 time_t um_itime[MAXQUOTAS]; /* inode quota time limit */
96 char um_qflags[MAXQUOTAS]; /* quota specific flags */
97 int64_t um_savedmaxfilesize; /* XXX - limit maxfilesize */
98 int (*um_balloc)(struct vnode *, off_t, int, struct ucred *, int, struct buf **);
99 int (*um_blkatoff)(struct vnode *, off_t, char **, struct buf **);
100 int (*um_truncate)(struct vnode *, off_t, int, struct ucred *, struct thread *);
101 int (*um_update)(struct vnode *, int);
102 int (*um_valloc)(struct vnode *, int, struct ucred *, struct vnode **);
103 int (*um_vfree)(struct vnode *, ino_t, int);
104 void (*um_ifree)(struct ufsmount *, struct inode *);
105 int (*um_rdonly)(struct inode *);
106};
107
108#define UFS_BALLOC(aa, bb, cc, dd, ee, ff) VFSTOUFS((aa)->v_mount)->um_balloc(aa, bb, cc, dd, ee, ff)
109#define UFS_BLKATOFF(aa, bb, cc, dd) VFSTOUFS((aa)->v_mount)->um_blkatoff(aa, bb, cc, dd)
110#define UFS_TRUNCATE(aa, bb, cc, dd, ee) VFSTOUFS((aa)->v_mount)->um_truncate(aa, bb, cc, dd, ee)
111#define UFS_UPDATE(aa, bb) VFSTOUFS((aa)->v_mount)->um_update(aa, bb)
112#define UFS_VALLOC(aa, bb, cc, dd) VFSTOUFS((aa)->v_mount)->um_valloc(aa, bb, cc, dd)
113#define UFS_VFREE(aa, bb, cc) VFSTOUFS((aa)->v_mount)->um_vfree(aa, bb, cc)
114#define UFS_IFREE(aa, bb) ((aa)->um_ifree(aa, bb))
115#define UFS_RDONLY(aa) ((aa)->i_ump->um_rdonly(aa))
116
117#define UFS_LOCK(aa) mtx_lock(&(aa)->um_lock)
118#define UFS_UNLOCK(aa) mtx_unlock(&(aa)->um_lock)
119#define UFS_MTX(aa) (&(aa)->um_lock)
120
121/*
122 * Filesystem types
123 */
124#define UFS1 1
125#define UFS2 2
126
127/*
128 * Flags describing the state of quotas.
129 */
130#define QTF_OPENING 0x01 /* Q_QUOTAON in progress */
131#define QTF_CLOSING 0x02 /* Q_QUOTAOFF in progress */
132#define QTF_64BIT 0x04 /* 64-bit quota file */
133
134/* Convert mount ptr to ufsmount ptr. */
135#define VFSTOUFS(mp) ((struct ufsmount *)((mp)->mnt_data))
136#define UFSTOVFS(ump) (ump)->um_mountp
137
138/*
139 * Macros to access filesystem parameters in the ufsmount structure.
140 * Used by ufs_bmap.
141 */
142#define MNINDIR(ump) ((ump)->um_nindir)
143#define blkptrtodb(ump, b) ((b) << (ump)->um_bptrtodb)
144#define is_sequential(ump, a, b) ((b) == (a) + ump->um_seqinc)
145#endif /* _KERNEL */
146
147#endif
44};
45
46#ifdef _KERNEL
47
48#ifdef MALLOC_DECLARE
49MALLOC_DECLARE(M_UFSMNT);
50#endif
51
52struct buf;
53struct inode;
54struct nameidata;
55struct timeval;
56struct ucred;
57struct uio;
58struct vnode;
59struct ufs_extattr_per_mount;
60struct jblocks;
61struct inodedep;
62
63TAILQ_HEAD(inodedeplst, inodedep);
64
65/* This structure describes the UFS specific mount structure data. */
66struct ufsmount {
67 struct mount *um_mountp; /* filesystem vfs structure */
68 struct cdev *um_dev; /* device mounted */
69 struct g_consumer *um_cp;
70 struct bufobj *um_bo; /* Buffer cache object */
71 struct vnode *um_devvp; /* block device mounted vnode */
72 u_long um_fstype; /* type of filesystem */
73 struct fs *um_fs; /* pointer to superblock */
74 struct ufs_extattr_per_mount um_extattr; /* extended attrs */
75 u_long um_nindir; /* indirect ptrs per block */
76 u_long um_bptrtodb; /* indir ptr to disk block */
77 u_long um_seqinc; /* inc between seq blocks */
78 struct mtx um_lock; /* Protects ufsmount & fs */
79 long um_numindirdeps; /* outstanding indirdeps */
80 struct workhead softdep_workitem_pending; /* softdep work queue */
81 struct worklist *softdep_worklist_tail; /* Tail pointer for above */
82 struct workhead softdep_journal_pending; /* journal work queue */
83 struct worklist *softdep_journal_tail; /* Tail pointer for above */
84 struct jblocks *softdep_jblocks; /* Journal block information */
85 struct inodedeplst softdep_unlinked; /* Unlinked inodes */
86 int softdep_on_journal; /* Items on the journal list */
87 int softdep_on_worklist; /* Items on the worklist */
88 int softdep_on_worklist_inprogress; /* Busy items on worklist */
89 int softdep_deps; /* Total dependency count */
90 int softdep_accdeps; /* accumulated dep count */
91 int softdep_req; /* Wakeup when deps hits 0. */
92 struct vnode *um_quotas[MAXQUOTAS]; /* pointer to quota files */
93 struct ucred *um_cred[MAXQUOTAS]; /* quota file access cred */
94 time_t um_btime[MAXQUOTAS]; /* block quota time limit */
95 time_t um_itime[MAXQUOTAS]; /* inode quota time limit */
96 char um_qflags[MAXQUOTAS]; /* quota specific flags */
97 int64_t um_savedmaxfilesize; /* XXX - limit maxfilesize */
98 int (*um_balloc)(struct vnode *, off_t, int, struct ucred *, int, struct buf **);
99 int (*um_blkatoff)(struct vnode *, off_t, char **, struct buf **);
100 int (*um_truncate)(struct vnode *, off_t, int, struct ucred *, struct thread *);
101 int (*um_update)(struct vnode *, int);
102 int (*um_valloc)(struct vnode *, int, struct ucred *, struct vnode **);
103 int (*um_vfree)(struct vnode *, ino_t, int);
104 void (*um_ifree)(struct ufsmount *, struct inode *);
105 int (*um_rdonly)(struct inode *);
106};
107
108#define UFS_BALLOC(aa, bb, cc, dd, ee, ff) VFSTOUFS((aa)->v_mount)->um_balloc(aa, bb, cc, dd, ee, ff)
109#define UFS_BLKATOFF(aa, bb, cc, dd) VFSTOUFS((aa)->v_mount)->um_blkatoff(aa, bb, cc, dd)
110#define UFS_TRUNCATE(aa, bb, cc, dd, ee) VFSTOUFS((aa)->v_mount)->um_truncate(aa, bb, cc, dd, ee)
111#define UFS_UPDATE(aa, bb) VFSTOUFS((aa)->v_mount)->um_update(aa, bb)
112#define UFS_VALLOC(aa, bb, cc, dd) VFSTOUFS((aa)->v_mount)->um_valloc(aa, bb, cc, dd)
113#define UFS_VFREE(aa, bb, cc) VFSTOUFS((aa)->v_mount)->um_vfree(aa, bb, cc)
114#define UFS_IFREE(aa, bb) ((aa)->um_ifree(aa, bb))
115#define UFS_RDONLY(aa) ((aa)->i_ump->um_rdonly(aa))
116
117#define UFS_LOCK(aa) mtx_lock(&(aa)->um_lock)
118#define UFS_UNLOCK(aa) mtx_unlock(&(aa)->um_lock)
119#define UFS_MTX(aa) (&(aa)->um_lock)
120
121/*
122 * Filesystem types
123 */
124#define UFS1 1
125#define UFS2 2
126
127/*
128 * Flags describing the state of quotas.
129 */
130#define QTF_OPENING 0x01 /* Q_QUOTAON in progress */
131#define QTF_CLOSING 0x02 /* Q_QUOTAOFF in progress */
132#define QTF_64BIT 0x04 /* 64-bit quota file */
133
134/* Convert mount ptr to ufsmount ptr. */
135#define VFSTOUFS(mp) ((struct ufsmount *)((mp)->mnt_data))
136#define UFSTOVFS(ump) (ump)->um_mountp
137
138/*
139 * Macros to access filesystem parameters in the ufsmount structure.
140 * Used by ufs_bmap.
141 */
142#define MNINDIR(ump) ((ump)->um_nindir)
143#define blkptrtodb(ump, b) ((b) << (ump)->um_bptrtodb)
144#define is_sequential(ump, a, b) ((b) == (a) + ump->um_seqinc)
145#endif /* _KERNEL */
146
147#endif