freebsd-skq/sys/geom/journal/g_journal_ufs.c

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/*-
* Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/vnode.h>
#include <sys/mount.h>
#include <ufs/ufs/extattr.h>
#include <ufs/ufs/quota.h>
#include <ufs/ufs/inode.h>
#include <ufs/ufs/ufs_extern.h>
#include <ufs/ufs/ufsmount.h>
#include <ufs/ffs/fs.h>
#include <ufs/ffs/ffs_extern.h>
#include <geom/geom.h>
#include <geom/journal/g_journal.h>
static const int superblocks[] = SBLOCKSEARCH;
static int
g_journal_ufs_clean(struct mount *mp)
{
struct ufsmount *ump;
struct fs *fs;
int flags;
ump = VFSTOUFS(mp);
fs = ump->um_fs;
flags = fs->fs_flags;
fs->fs_flags &= ~(FS_UNCLEAN | FS_NEEDSFSCK);
ffs_sbupdate(ump, MNT_WAIT, 1);
fs->fs_flags = flags;
return (0);
}
static void
g_journal_ufs_dirty(struct g_consumer *cp)
{
struct fs *fs;
int error, i, sb;
if (SBLOCKSIZE % cp->provider->sectorsize != 0)
return;
for (i = 0; (sb = superblocks[i]) != -1; i++) {
if (sb % cp->provider->sectorsize != 0)
continue;
fs = g_read_data(cp, sb, SBLOCKSIZE, NULL);
if (fs == NULL)
continue;
if (fs->fs_magic != FS_UFS1_MAGIC &&
fs->fs_magic != FS_UFS2_MAGIC) {
g_free(fs);
continue;
}
GJ_DEBUG(0, "clean=%d flags=0x%x", fs->fs_clean, fs->fs_flags);
fs->fs_clean = 0;
fs->fs_flags |= FS_NEEDSFSCK | FS_UNCLEAN;
error = g_write_data(cp, sb, fs, SBLOCKSIZE);
g_free(fs);
if (error != 0) {
GJ_DEBUG(0, "Cannot mark file system %s as dirty "
"(error=%d).", cp->provider->name, error);
} else {
GJ_DEBUG(0, "File system %s marked as dirty.",
cp->provider->name);
}
}
}
const struct g_journal_desc g_journal_ufs = {
.jd_fstype = "ufs",
.jd_clean = g_journal_ufs_clean,
.jd_dirty = g_journal_ufs_dirty
};
MODULE_DEPEND(g_journal, ufs, 1, 1, 1);