xref: /freebsd/sys/geom/journal/g_journal_ufs.c (revision 7bd6fde3)
1 /*-
2  * Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3  * 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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/vnode.h>
33 #include <sys/mount.h>
34 
35 #include <ufs/ufs/extattr.h>
36 #include <ufs/ufs/quota.h>
37 #include <ufs/ufs/inode.h>
38 #include <ufs/ufs/ufs_extern.h>
39 #include <ufs/ufs/ufsmount.h>
40 
41 #include <ufs/ffs/fs.h>
42 #include <ufs/ffs/ffs_extern.h>
43 
44 #include <geom/geom.h>
45 #include <geom/journal/g_journal.h>
46 
47 static const int superblocks[] = SBLOCKSEARCH;
48 
49 static int
50 g_journal_ufs_clean(struct mount *mp)
51 {
52 	struct ufsmount *ump;
53 	struct fs *fs;
54 	int flags;
55 
56 	ump = VFSTOUFS(mp);
57 	fs = ump->um_fs;
58 
59 	flags = fs->fs_flags;
60 	fs->fs_flags &= ~(FS_UNCLEAN | FS_NEEDSFSCK);
61 	ffs_sbupdate(ump, MNT_WAIT, 1);
62 	fs->fs_flags = flags;
63 
64 	return (0);
65 }
66 
67 static void
68 g_journal_ufs_dirty(struct g_consumer *cp)
69 {
70 	struct fs *fs;
71 	int error, i, sb;
72 
73 	if (SBLOCKSIZE % cp->provider->sectorsize != 0)
74 		return;
75 	for (i = 0; (sb = superblocks[i]) != -1; i++) {
76 		if (sb % cp->provider->sectorsize != 0)
77 			continue;
78 		fs = g_read_data(cp, sb, SBLOCKSIZE, NULL);
79 		if (fs == NULL)
80 			continue;
81 		if (fs->fs_magic != FS_UFS1_MAGIC &&
82 		    fs->fs_magic != FS_UFS2_MAGIC) {
83 			g_free(fs);
84 			continue;
85 		}
86 		GJ_DEBUG(0, "clean=%d flags=0x%x", fs->fs_clean, fs->fs_flags);
87 		fs->fs_clean = 0;
88 		fs->fs_flags |= FS_NEEDSFSCK | FS_UNCLEAN;
89 		error = g_write_data(cp, sb, fs, SBLOCKSIZE);
90 		g_free(fs);
91 		if (error != 0) {
92 			GJ_DEBUG(0, "Cannot mark file system %s as dirty "
93 			    "(error=%d).", cp->provider->name, error);
94 		} else {
95 			GJ_DEBUG(0, "File system %s marked as dirty.",
96 			    cp->provider->name);
97 		}
98 	}
99 }
100 
101 const struct g_journal_desc g_journal_ufs = {
102 	.jd_fstype = "ufs",
103 	.jd_clean = g_journal_ufs_clean,
104 	.jd_dirty = g_journal_ufs_dirty
105 };
106 
107 MODULE_DEPEND(g_journal, ufs, 1, 1, 1);
108