277 lines
7.3 KiB
C
277 lines
7.3 KiB
C
/* $NetBSD: wapbl.c,v 1.5 2010/03/06 11:31:40 mlelstv Exp $ */
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/*-
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* Copyright (c) 2005,2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/* This file contains fsck support for wapbl
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*/
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#define WAPBL_INTERNAL
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wapbl.c,v 1.5 2010/03/06 11:31:40 mlelstv Exp $");
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/uio.h>
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#include <assert.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <ufs/ufs/dinode.h>
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#include <ufs/ufs/dir.h>
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#include <ufs/ufs/ufs_bswap.h>
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#include <ufs/ufs/ufs_wapbl.h>
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#include <ufs/ffs/fs.h>
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#include <ufs/ffs/ffs_extern.h>
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#include <sys/wapbl.h>
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#include "fsck.h"
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#include "fsutil.h"
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#include "extern.h"
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#include "exitvalues.h"
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int
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wapbl_write(void *data, size_t len, struct vnode *devvp, daddr_t pbn)
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{
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WAPBL_PRINTF(WAPBL_PRINT_IO,
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("wapbl_write: %zd bytes at block %"PRId64" on fd 0x%x\n",
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len, pbn, fswritefd));
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bwrite(fswritefd, data, pbn, len);
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return 0;
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}
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int
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wapbl_read(void *data, size_t len, struct vnode *devvp, daddr_t pbn)
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{
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WAPBL_PRINTF(WAPBL_PRINT_IO,
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("wapbl_read: %zd bytes at block %"PRId64" on fd 0x%x\n",
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len, pbn, fsreadfd));
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bread(fsreadfd, data, pbn, len);
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return 0;
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}
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struct wapbl_replay *wapbl_replay;
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void
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replay_wapbl(void)
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{
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int error;
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if (!nflag) {
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error = wapbl_replay_write(wapbl_replay, 0);
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if (error) {
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pfatal("UNABLE TO REPLAY JOURNAL BLOCKS");
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if (reply("CONTINUE") == 0) {
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exit(FSCK_EXIT_CHECK_FAILED);
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}
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} else {
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wapbl_replay_stop(wapbl_replay);
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}
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}
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{
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int i;
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for (i = 0; i < wapbl_replay->wr_inodescnt; i++) {
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WAPBL_PRINTF(WAPBL_PRINT_REPLAY,("wapbl_replay: "
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"not cleaning inode %"PRIu32" mode %"PRIo32"\n",
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wapbl_replay->wr_inodes[i].wr_inumber,
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wapbl_replay->wr_inodes[i].wr_imode));
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}
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}
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}
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void
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cleanup_wapbl(void)
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{
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if (wapbl_replay) {
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if (wapbl_replay_isopen(wapbl_replay))
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wapbl_replay_stop(wapbl_replay);
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wapbl_replay_free(wapbl_replay);
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wapbl_replay = 0;
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}
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}
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int
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read_wapbl(char *buf, long size, daddr_t blk)
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{
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if (!wapbl_replay || !wapbl_replay_isopen(wapbl_replay))
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return 0;
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return wapbl_replay_read(wapbl_replay, buf, blk, size);
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}
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int
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is_journal_inode(ino_t ino)
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{
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union dinode *dp;
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dp = ginode(ino);
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if ((iswap32(DIP(dp, flags)) & SF_LOG) != 0 &&
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sblock->fs_journal_version == UFS_WAPBL_VERSION &&
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sblock->fs_journal_location == UFS_WAPBL_JOURNALLOC_IN_FILESYSTEM &&
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sblock->fs_journallocs[UFS_WAPBL_INFS_INO] == ino)
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return 1;
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return 0;
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}
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int
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check_wapbl(void)
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{
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uint64_t addr = 0, count = 0, blksize = 0;
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int error;
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int ret = 0;
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if (debug)
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wapbl_debug_print = WAPBL_PRINT_ERROR | WAPBL_PRINT_REPLAY;
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if (debug > 1)
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wapbl_debug_print |= WAPBL_PRINT_IO;
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if (sblock->fs_flags & FS_DOWAPBL) {
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if (sblock->fs_journal_version != UFS_WAPBL_VERSION) {
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pfatal("INVALID JOURNAL VERSION %d",
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sblock->fs_journal_version);
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if (reply("CONTINUE") == 0) {
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exit(FSCK_EXIT_CHECK_FAILED);
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}
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pwarn("CLEARING EXISTING JOURNAL\n");
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sblock->fs_flags &= ~FS_DOWAPBL;
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sblock->fs_journal_flags = UFS_WAPBL_FLAGS_CLEAR_LOG;
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sbdirty();
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ret = FSCK_EXIT_CHECK_FAILED;
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} else {
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switch(sblock->fs_journal_location) {
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case UFS_WAPBL_JOURNALLOC_END_PARTITION:
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addr =
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sblock->fs_journallocs[UFS_WAPBL_EPART_ADDR];
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count =
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sblock->fs_journallocs[UFS_WAPBL_EPART_COUNT];
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blksize =
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sblock->fs_journallocs[UFS_WAPBL_EPART_BLKSZ];
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break;
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case UFS_WAPBL_JOURNALLOC_IN_FILESYSTEM:
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addr =
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sblock->fs_journallocs[UFS_WAPBL_INFS_ADDR];
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count =
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sblock->fs_journallocs[UFS_WAPBL_INFS_COUNT];
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blksize =
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sblock->fs_journallocs[UFS_WAPBL_INFS_BLKSZ];
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break;
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default:
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pfatal("INVALID JOURNAL LOCATION %d",
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sblock->fs_journal_location);
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if (reply("CONTINUE") == 0) {
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exit(FSCK_EXIT_CHECK_FAILED);
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}
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pwarn("CLEARING EXISTING JOURNAL\n");
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sblock->fs_flags &= ~FS_DOWAPBL;
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sblock->fs_journal_flags = UFS_WAPBL_FLAGS_CLEAR_LOG;
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sblock->fs_journal_location =
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UFS_WAPBL_JOURNALLOC_NONE;
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sbdirty();
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ret = FSCK_EXIT_CHECK_FAILED;
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break;
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}
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if (sblock->fs_flags & FS_DOWAPBL) {
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error = wapbl_replay_start(
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&wapbl_replay, 0, addr, count, blksize);
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if (error) {
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pfatal(
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"UNABLE TO READ JOURNAL FOR REPLAY");
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if (reply("CONTINUE") == 0) {
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exit(FSCK_EXIT_CHECK_FAILED);
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}
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pwarn("CLEARING EXISTING JOURNAL\n");
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sblock->fs_flags &= ~FS_DOWAPBL;
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sblock->fs_journal_flags = UFS_WAPBL_FLAGS_CLEAR_LOG;
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sbdirty();
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ret = FSCK_EXIT_CHECK_FAILED;
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}
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}
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}
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}
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/*
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* at this time fs_journal_flags can only be 0,
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* UFS_WAPBL_FLAGS_CREATE_LOG or UFS_WAPBL_FLAGS_CLEAR_LOG.
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* We can't have both flags at the same time.
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*/
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switch (sblock->fs_journal_flags) {
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case 0:
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break;
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case UFS_WAPBL_FLAGS_CREATE_LOG:
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case UFS_WAPBL_FLAGS_CLEAR_LOG:
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switch(sblock->fs_journal_location) {
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case UFS_WAPBL_JOURNALLOC_END_PARTITION:
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case UFS_WAPBL_JOURNALLOC_IN_FILESYSTEM:
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break;
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case UFS_WAPBL_JOURNALLOC_NONE:
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if (sblock->fs_journal_flags ==
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UFS_WAPBL_FLAGS_CLEAR_LOG)
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break;
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/* FALLTHROUGH */
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default:
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pfatal("INVALID JOURNAL LOCATION %d",
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sblock->fs_journal_location);
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if (reply("CONTINUE") == 0) {
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exit(FSCK_EXIT_CHECK_FAILED);
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}
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pwarn("CLEARING JOURNAL FLAGS\n");
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sblock->fs_journal_flags = 0;
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sblock->fs_journal_location =
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UFS_WAPBL_JOURNALLOC_NONE;
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sbdirty();
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ret = FSCK_EXIT_CHECK_FAILED;
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break;
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}
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break;
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default:
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pfatal("INVALID JOURNAL FLAGS %d",
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sblock->fs_journal_flags);
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if (reply("CONTINUE") == 0) {
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exit(FSCK_EXIT_CHECK_FAILED);
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}
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pwarn("CLEARING JOURNAL FLAGS\n");
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sblock->fs_journal_flags = 0;
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sblock->fs_journal_location =
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UFS_WAPBL_JOURNALLOC_NONE;
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sbdirty();
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ret = FSCK_EXIT_CHECK_FAILED;
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break;
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}
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return ret;
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}
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