xref: /freebsd/sys/geom/journal/g_journal_ufs.c (revision 97cb52fa9aefd90fad38790fded50905aeeb9b9e)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/vnode.h>
35 #include <sys/mount.h>
36 
37 #include <ufs/ufs/extattr.h>
38 #include <ufs/ufs/quota.h>
39 #include <ufs/ufs/inode.h>
40 #include <ufs/ufs/ufs_extern.h>
41 #include <ufs/ufs/ufsmount.h>
42 
43 #include <ufs/ffs/fs.h>
44 #include <ufs/ffs/ffs_extern.h>
45 
46 #include <geom/geom.h>
47 #include <geom/journal/g_journal.h>
48 
49 static const int superblocks[] = SBLOCKSEARCH;
50 
51 static int
52 g_journal_ufs_clean(struct mount *mp)
53 {
54 	struct ufsmount *ump;
55 	struct fs *fs;
56 	int flags;
57 
58 	ump = VFSTOUFS(mp);
59 	fs = ump->um_fs;
60 
61 	flags = fs->fs_flags;
62 	fs->fs_flags &= ~(FS_UNCLEAN | FS_NEEDSFSCK);
63 	ffs_sbupdate(ump, MNT_WAIT, 1);
64 	fs->fs_flags = flags;
65 
66 	return (0);
67 }
68 
69 static void
70 g_journal_ufs_dirty(struct g_consumer *cp)
71 {
72 	struct fs *fs;
73 	int error, i, sb;
74 
75 	if (SBLOCKSIZE % cp->provider->sectorsize != 0)
76 		return;
77 	for (i = 0; (sb = superblocks[i]) != -1; i++) {
78 		if (sb % cp->provider->sectorsize != 0)
79 			continue;
80 		fs = g_read_data(cp, sb, SBLOCKSIZE, NULL);
81 		if (fs == NULL)
82 			continue;
83 		if (fs->fs_magic != FS_UFS1_MAGIC &&
84 		    fs->fs_magic != FS_UFS2_MAGIC) {
85 			g_free(fs);
86 			continue;
87 		}
88 		GJ_DEBUG(0, "clean=%d flags=0x%x", fs->fs_clean, fs->fs_flags);
89 		fs->fs_clean = 0;
90 		fs->fs_flags |= FS_NEEDSFSCK | FS_UNCLEAN;
91 		error = g_write_data(cp, sb, fs, SBLOCKSIZE);
92 		g_free(fs);
93 		if (error != 0) {
94 			GJ_DEBUG(0, "Cannot mark file system %s as dirty "
95 			    "(error=%d).", cp->provider->name, error);
96 		} else {
97 			GJ_DEBUG(0, "File system %s marked as dirty.",
98 			    cp->provider->name);
99 		}
100 	}
101 }
102 
103 const struct g_journal_desc g_journal_ufs = {
104 	.jd_fstype = "ufs",
105 	.jd_clean = g_journal_ufs_clean,
106 	.jd_dirty = g_journal_ufs_dirty
107 };
108 
109 MODULE_DEPEND(g_journal, ufs, 1, 1, 1);
110