g_journal_ufs.c

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    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/geom_dbg.h>
   48 #include <geom/journal/g_journal.h>
   49 
   50 static int
   51 g_journal_ufs_clean(struct mount *mp)
   52 {
   53         struct ufsmount *ump;
   54         struct fs *fs;
   55         int flags;
   56 
   57         ump = VFSTOUFS(mp);
   58         fs = ump->um_fs;
   59 
   60         flags = fs->fs_flags;
   61         fs->fs_flags &= ~(FS_UNCLEAN | FS_NEEDSFSCK);
   62         ffs_sbupdate(ump, MNT_WAIT, 1);
   63         fs->fs_flags = flags;
   64 
   65         return (0);
   66 }
   67 
   68 static void
   69 g_journal_ufs_dirty(struct g_consumer *cp)
   70 {
   71         struct fs *fs;
   72         int error;
   73 
   74         fs = NULL;
   75         if (SBLOCKSIZE % cp->provider->sectorsize != 0 ||
   76             ffs_sbget(cp, &fs, UFS_STDSB, UFS_NOCSUM, M_GEOM, g_use_g_read_data)
   77                     != 0) {
   78                 GJ_DEBUG(0, "Cannot find superblock to mark file system %s "
   79                     "as dirty.", cp->provider->name);
   80                 KASSERT(fs == NULL,
   81                     ("g_journal_ufs_dirty: non-NULL fs %p\n", fs));
   82                 return;
   83         }
   84         /*
   85          * Do not use or change summary information, so free it now
   86          * to avoid unnecessarily writing it back out in ffs_sbput().
   87          */
   88         g_free(fs->fs_csp);
   89         g_free(fs->fs_si);
   90         fs->fs_si = NULL;
   91 
   92         GJ_DEBUG(0, "clean=%d flags=0x%x", fs->fs_clean, fs->fs_flags);
   93         fs->fs_clean = 0;
   94         fs->fs_flags |= FS_NEEDSFSCK | FS_UNCLEAN;
   95         error = ffs_sbput(cp, fs, fs->fs_sblockloc, g_use_g_write_data);
   96         g_free(fs);
   97         if (error != 0) {
   98                 GJ_DEBUG(0, "Cannot mark file system %s as dirty "
   99                     "(error=%d).", cp->provider->name, error);
  100         } else {
  101                 GJ_DEBUG(0, "File system %s marked as dirty.",
  102                     cp->provider->name);
  103         }
  104 }
  105 
  106 const struct g_journal_desc g_journal_ufs = {
  107         .jd_fstype = "ufs",
  108         .jd_clean = g_journal_ufs_clean,
  109         .jd_dirty = g_journal_ufs_dirty
  110 };
  111 
  112 MODULE_DEPEND(g_journal, ufs, 1, 1, 1);
  113 MODULE_VERSION(geom_journal, 0);

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FreeBSD/Linux Kernel Cross Reference sys/geom/journal/g_journal_ufs.c

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sys/geom/journal/g_journal_ufs.c