root/sys/geom/journal/g_journal_ufs.c
/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * 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/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/geom_dbg.h>
#include <geom/journal/g_journal.h>

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;

        fs = NULL;
        if (SBLOCKSIZE % cp->provider->sectorsize != 0 ||
            ffs_sbget(cp, &fs, UFS_STDSB, UFS_NOCSUM, M_GEOM, g_use_g_read_data)
                    != 0) {
                GJ_DEBUG(0, "Cannot find superblock to mark file system %s "
                    "as dirty.", cp->provider->name);
                KASSERT(fs == NULL,
                    ("g_journal_ufs_dirty: non-NULL fs %p\n", fs));
                return;
        }
        /*
         * Do not use or change summary information, so free it now
         * to avoid unnecessarily writing it back out in ffs_sbput().
         */
        g_free(fs->fs_csp);
        g_free(fs->fs_si);
        fs->fs_si = NULL;

        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 = ffs_sbput(cp, fs, fs->fs_sblockloc, g_use_g_write_data);
        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);
MODULE_VERSION(geom_journal, 0);