xref: /freebsd/sys/geom/journal/g_journal_ufs.c (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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/param.h>
30 #include <sys/systm.h>
31 #include <sys/vnode.h>
32 #include <sys/mount.h>
33 
34 #include <ufs/ufs/extattr.h>
35 #include <ufs/ufs/quota.h>
36 #include <ufs/ufs/inode.h>
37 #include <ufs/ufs/ufs_extern.h>
38 #include <ufs/ufs/ufsmount.h>
39 
40 #include <ufs/ffs/fs.h>
41 #include <ufs/ffs/ffs_extern.h>
42 
43 #include <geom/geom.h>
44 #include <geom/geom_dbg.h>
45 #include <geom/journal/g_journal.h>
46 
47 static int
48 g_journal_ufs_clean(struct mount *mp)
49 {
50 	struct ufsmount *ump;
51 	struct fs *fs;
52 	int flags;
53 
54 	ump = VFSTOUFS(mp);
55 	fs = ump->um_fs;
56 
57 	flags = fs->fs_flags;
58 	fs->fs_flags &= ~(FS_UNCLEAN | FS_NEEDSFSCK);
59 	ffs_sbupdate(ump, MNT_WAIT, 1);
60 	fs->fs_flags = flags;
61 
62 	return (0);
63 }
64 
65 static void
66 g_journal_ufs_dirty(struct g_consumer *cp)
67 {
68 	struct fs *fs;
69 	int error;
70 
71 	fs = NULL;
72 	if (SBLOCKSIZE % cp->provider->sectorsize != 0 ||
73 	    ffs_sbget(cp, &fs, UFS_STDSB, UFS_NOCSUM, M_GEOM, g_use_g_read_data)
74 		    != 0) {
75 		GJ_DEBUG(0, "Cannot find superblock to mark file system %s "
76 		    "as dirty.", cp->provider->name);
77 		KASSERT(fs == NULL,
78 		    ("g_journal_ufs_dirty: non-NULL fs %p\n", fs));
79 		return;
80 	}
81 	/*
82 	 * Do not use or change summary information, so free it now
83 	 * to avoid unnecessarily writing it back out in ffs_sbput().
84 	 */
85 	g_free(fs->fs_csp);
86 	g_free(fs->fs_si);
87 	fs->fs_si = NULL;
88 
89 	GJ_DEBUG(0, "clean=%d flags=0x%x", fs->fs_clean, fs->fs_flags);
90 	fs->fs_clean = 0;
91 	fs->fs_flags |= FS_NEEDSFSCK | FS_UNCLEAN;
92 	error = ffs_sbput(cp, fs, fs->fs_sblockloc, g_use_g_write_data);
93 	g_free(fs);
94 	if (error != 0) {
95 		GJ_DEBUG(0, "Cannot mark file system %s as dirty "
96 		    "(error=%d).", cp->provider->name, error);
97 	} else {
98 		GJ_DEBUG(0, "File system %s marked as dirty.",
99 		    cp->provider->name);
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 MODULE_VERSION(geom_journal, 0);
111