mirror of https://github.com/vitalif/e2fsprogs
1444 lines
38 KiB
C
1444 lines
38 KiB
C
/*
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* unix.c - The unix-specific code for e2fsck
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*
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* Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Public
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* License.
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* %End-Header%
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*/
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#define _XOPEN_SOURCE 600 /* for inclusion of sa_handler in Solaris */
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#include <stdio.h>
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#include <string.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <time.h>
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#ifdef HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#else
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extern char *optarg;
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extern int optind;
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#endif
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#include <unistd.h>
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#ifdef HAVE_MNTENT_H
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#include <mntent.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_DIRENT_H
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#include <dirent.h>
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#endif
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#include "e2p/e2p.h"
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#include "et/com_err.h"
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#include "e2p/e2p.h"
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#include "e2fsck.h"
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#include "problem.h"
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#include "../version.h"
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/* Command line options */
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static int cflag; /* check disk */
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static int show_version_only;
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static int verbose;
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static int replace_bad_blocks;
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static int keep_bad_blocks;
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static char *bad_blocks_file;
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e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
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#ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jfs-debug */
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int journal_enable_debug = -1;
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#endif
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static void usage(e2fsck_t ctx)
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{
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fprintf(stderr,
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_("Usage: %s [-panyrcdfvtDFV] [-b superblock] [-B blocksize]\n"
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"\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n"
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"\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n"
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"\t\t[-E extended-options] device\n"),
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ctx->program_name);
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fprintf(stderr, _("\nEmergency help:\n"
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" -p Automatic repair (no questions)\n"
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" -n Make no changes to the filesystem\n"
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" -y Assume \"yes\" to all questions\n"
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" -c Check for bad blocks and add them to the badblock list\n"
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" -f Force checking even if filesystem is marked clean\n"));
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fprintf(stderr, _(""
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" -v Be verbose\n"
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" -b superblock Use alternative superblock\n"
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" -B blocksize Force blocksize when looking for superblock\n"
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" -j external_journal Set location of the external journal\n"
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" -l bad_blocks_file Add to badblocks list\n"
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" -L bad_blocks_file Set badblocks list\n"
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));
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exit(FSCK_USAGE);
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}
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static void show_stats(e2fsck_t ctx)
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{
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ext2_filsys fs = ctx->fs;
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ext2_ino_t inodes, inodes_used;
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blk_t blocks, blocks_used;
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int dir_links;
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int num_files, num_links;
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int frag_percent_file, frag_percent_dir, frag_percent_total;
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int i, j;
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dir_links = 2 * ctx->fs_directory_count - 1;
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num_files = ctx->fs_total_count - dir_links;
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num_links = ctx->fs_links_count - dir_links;
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inodes = fs->super->s_inodes_count;
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inodes_used = (fs->super->s_inodes_count -
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fs->super->s_free_inodes_count);
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blocks = fs->super->s_blocks_count;
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blocks_used = (fs->super->s_blocks_count -
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fs->super->s_free_blocks_count);
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frag_percent_file = (10000 * ctx->fs_fragmented) / inodes_used;
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frag_percent_file = (frag_percent_file + 5) / 10;
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frag_percent_dir = (10000 * ctx->fs_fragmented_dir) / inodes_used;
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frag_percent_dir = (frag_percent_dir + 5) / 10;
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frag_percent_total = ((10000 * (ctx->fs_fragmented +
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ctx->fs_fragmented_dir))
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/ inodes_used);
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frag_percent_total = (frag_percent_total + 5) / 10;
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if (!verbose) {
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printf(_("%s: %u/%u files (%0d.%d%% non-contiguous), %u/%u blocks\n"),
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ctx->device_name, inodes_used, inodes,
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frag_percent_total / 10, frag_percent_total % 10,
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blocks_used, blocks);
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return;
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}
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printf (P_("\n%8u inode used (%2.2f%%)\n", "\n%8u inodes used (%2.2f%%)\n",
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inodes_used), inodes_used, 100.0 * inodes_used / inodes);
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printf (P_("%8u non-contiguous file (%0d.%d%%)\n",
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"%8u non-contiguous files (%0d.%d%%)\n",
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ctx->fs_fragmented),
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ctx->fs_fragmented, frag_percent_file / 10,
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frag_percent_file % 10);
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printf (P_("%8u non-contiguous directory (%0d.%d%%)\n",
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"%8u non-contiguous directories (%0d.%d%%)\n",
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ctx->fs_fragmented_dir),
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ctx->fs_fragmented_dir, frag_percent_dir / 10,
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frag_percent_dir % 10);
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printf (_(" # of inodes with ind/dind/tind blocks: %u/%u/%u\n"),
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ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count);
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for (j=MAX_EXTENT_DEPTH_COUNT-1; j >=0; j--)
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if (ctx->extent_depth_count[j])
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break;
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if (++j) {
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printf (_(" Extent depth histogram: "));
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for (i=0; i < j; i++) {
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if (i)
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fputc('/', stdout);
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printf("%u", ctx->extent_depth_count[i]);
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}
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fputc('\n', stdout);
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}
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printf (P_("%8u block used (%2.2f%%)\n", "%8u blocks used (%2.2f%%)\n",
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blocks_used), blocks_used, 100.0 * blocks_used / blocks);
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printf (P_("%8u bad block\n", "%8u bad blocks\n",
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ctx->fs_badblocks_count), ctx->fs_badblocks_count);
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printf (P_("%8u large file\n", "%8u large files\n",
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ctx->large_files), ctx->large_files);
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printf (P_("\n%8u regular file\n", "\n%8u regular files\n",
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ctx->fs_regular_count), ctx->fs_regular_count);
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printf (P_("%8u directory\n", "%8u directories\n",
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ctx->fs_directory_count), ctx->fs_directory_count);
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printf (P_("%8u character device file\n",
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"%8u character device files\n", ctx->fs_chardev_count),
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ctx->fs_chardev_count);
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printf (P_("%8u block device file\n", "%8u block device files\n",
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ctx->fs_blockdev_count), ctx->fs_blockdev_count);
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printf (P_("%8u fifo\n", "%8u fifos\n", ctx->fs_fifo_count),
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ctx->fs_fifo_count);
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printf (P_("%8u link\n", "%8u links\n",
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ctx->fs_links_count - dir_links),
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ctx->fs_links_count - dir_links);
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printf (P_("%8u symbolic link", "%8u symbolic links",
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ctx->fs_symlinks_count), ctx->fs_symlinks_count);
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printf (P_(" (%u fast symbolic link)\n", " (%u fast symbolic links)\n",
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ctx->fs_fast_symlinks_count), ctx->fs_fast_symlinks_count);
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printf (P_("%8u socket\n", "%8u sockets\n", ctx->fs_sockets_count),
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ctx->fs_sockets_count);
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printf ("--------\n");
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printf (P_("%8u file\n", "%8u files\n",
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ctx->fs_total_count - dir_links),
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ctx->fs_total_count - dir_links);
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}
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static void check_mount(e2fsck_t ctx)
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{
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errcode_t retval;
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int cont;
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retval = ext2fs_check_if_mounted(ctx->filesystem_name,
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&ctx->mount_flags);
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if (retval) {
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com_err("ext2fs_check_if_mount", retval,
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_("while determining whether %s is mounted."),
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ctx->filesystem_name);
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return;
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}
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/*
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* If the filesystem isn't mounted, or it's the root
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* filesystem and it's mounted read-only, and we're not doing
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* a read/write check, then everything's fine.
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*/
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if ((!(ctx->mount_flags & EXT2_MF_MOUNTED)) ||
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((ctx->mount_flags & EXT2_MF_ISROOT) &&
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(ctx->mount_flags & EXT2_MF_READONLY) &&
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!(ctx->options & E2F_OPT_WRITECHECK)))
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return;
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if ((ctx->options & E2F_OPT_READONLY) &&
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!(ctx->options & E2F_OPT_WRITECHECK)) {
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printf(_("Warning! %s is mounted.\n"), ctx->filesystem_name);
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return;
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}
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printf(_("%s is mounted. "), ctx->filesystem_name);
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if (!ctx->interactive)
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fatal_error(ctx, _("Cannot continue, aborting.\n\n"));
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printf(_("\n\n\007\007\007\007WARNING!!! "
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"Running e2fsck on a mounted filesystem may cause\n"
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"SEVERE filesystem damage.\007\007\007\n\n"));
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cont = ask_yn(_("Do you really want to continue"), -1);
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if (!cont) {
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printf (_("check aborted.\n"));
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exit (0);
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}
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return;
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}
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static int is_on_batt(void)
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{
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FILE *f;
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DIR *d;
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char tmp[80], tmp2[80], fname[80];
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unsigned int acflag;
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struct dirent* de;
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f = fopen("/proc/apm", "r");
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if (f) {
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if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4)
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acflag = 1;
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fclose(f);
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return (acflag != 1);
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}
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d = opendir("/proc/acpi/ac_adapter");
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if (d) {
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while ((de=readdir(d)) != NULL) {
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if (!strncmp(".", de->d_name, 1))
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continue;
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snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state",
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de->d_name);
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f = fopen(fname, "r");
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if (!f)
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continue;
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if (fscanf(f, "%s %s", tmp2, tmp) != 2)
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tmp[0] = 0;
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fclose(f);
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if (strncmp(tmp, "off-line", 8) == 0) {
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closedir(d);
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return 1;
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}
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}
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closedir(d);
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}
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return 0;
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}
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/*
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* This routine checks to see if a filesystem can be skipped; if so,
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* it will exit with E2FSCK_OK. Under some conditions it will print a
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* message explaining why a check is being forced.
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*/
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static void check_if_skip(e2fsck_t ctx)
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{
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ext2_filsys fs = ctx->fs;
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const char *reason = NULL;
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unsigned int reason_arg = 0;
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long next_check;
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int batt = is_on_batt();
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int defer_check_on_battery;
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time_t lastcheck;
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profile_get_boolean(ctx->profile, "options",
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"defer_check_on_battery", 0, 1,
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&defer_check_on_battery);
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if (!defer_check_on_battery)
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batt = 0;
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if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || cflag)
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return;
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lastcheck = fs->super->s_lastcheck;
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if (lastcheck > ctx->now)
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lastcheck -= ctx->time_fudge;
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if ((fs->super->s_state & EXT2_ERROR_FS) ||
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!ext2fs_test_valid(fs))
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reason = _(" contains a file system with errors");
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else if ((fs->super->s_state & EXT2_VALID_FS) == 0)
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reason = _(" was not cleanly unmounted");
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else if (check_backup_super_block(ctx))
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reason = _(" primary superblock features different from backup");
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else if ((fs->super->s_max_mnt_count > 0) &&
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(fs->super->s_mnt_count >=
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(unsigned) fs->super->s_max_mnt_count)) {
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reason = _(" has been mounted %u times without being checked");
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reason_arg = fs->super->s_mnt_count;
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if (batt && (fs->super->s_mnt_count <
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(unsigned) fs->super->s_max_mnt_count*2))
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reason = 0;
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} else if (fs->super->s_checkinterval && (ctx->now < lastcheck)) {
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reason = _(" has filesystem last checked time in the future");
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if (batt)
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reason = 0;
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} else if (fs->super->s_checkinterval &&
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((ctx->now - lastcheck) >=
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((time_t) fs->super->s_checkinterval))) {
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reason = _(" has gone %u days without being checked");
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reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24);
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if (batt && ((ctx->now - fs->super->s_lastcheck) <
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fs->super->s_checkinterval*2))
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reason = 0;
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}
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if (reason) {
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fputs(ctx->device_name, stdout);
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printf(reason, reason_arg);
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fputs(_(", check forced.\n"), stdout);
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return;
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}
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printf(_("%s: clean, %u/%u files, %u/%u blocks"), ctx->device_name,
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fs->super->s_inodes_count - fs->super->s_free_inodes_count,
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fs->super->s_inodes_count,
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fs->super->s_blocks_count - fs->super->s_free_blocks_count,
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fs->super->s_blocks_count);
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next_check = 100000;
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if (fs->super->s_max_mnt_count > 0) {
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next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count;
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if (next_check <= 0)
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next_check = 1;
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}
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if (fs->super->s_checkinterval &&
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((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval))
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next_check = 1;
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if (next_check <= 5) {
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if (next_check == 1) {
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if (batt)
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fputs(_(" (check deferred; on battery)"),
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stdout);
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else
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fputs(_(" (check after next mount)"), stdout);
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} else
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printf(_(" (check in %ld mounts)"), next_check);
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}
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fputc('\n', stdout);
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ext2fs_close(fs);
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ctx->fs = NULL;
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e2fsck_free_context(ctx);
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exit(FSCK_OK);
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}
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/*
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* For completion notice
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*/
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struct percent_tbl {
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int max_pass;
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int table[32];
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};
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struct percent_tbl e2fsck_tbl = {
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5, { 0, 70, 90, 92, 95, 100 }
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};
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static char bar[128], spaces[128];
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static float calc_percent(struct percent_tbl *tbl, int pass, int curr,
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int max)
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{
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float percent;
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if (pass <= 0)
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return 0.0;
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if (pass > tbl->max_pass || max == 0)
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return 100.0;
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percent = ((float) curr) / ((float) max);
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return ((percent * (tbl->table[pass] - tbl->table[pass-1]))
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+ tbl->table[pass-1]);
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}
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extern void e2fsck_clear_progbar(e2fsck_t ctx)
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{
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if (!(ctx->flags & E2F_FLAG_PROG_BAR))
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return;
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printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80),
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ctx->stop_meta);
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fflush(stdout);
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ctx->flags &= ~E2F_FLAG_PROG_BAR;
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}
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int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent,
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unsigned int dpynum)
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{
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static const char spinner[] = "\\|/-";
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int i;
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unsigned int tick;
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struct timeval tv;
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int dpywidth;
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int fixed_percent;
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if (ctx->flags & E2F_FLAG_PROG_SUPPRESS)
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return 0;
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/*
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* Calculate the new progress position. If the
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* percentage hasn't changed, then we skip out right
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* away.
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*/
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fixed_percent = (int) ((10 * percent) + 0.5);
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if (ctx->progress_last_percent == fixed_percent)
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return 0;
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ctx->progress_last_percent = fixed_percent;
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/*
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* If we've already updated the spinner once within
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* the last 1/8th of a second, no point doing it
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* again.
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*/
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gettimeofday(&tv, NULL);
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tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8));
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if ((tick == ctx->progress_last_time) &&
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(fixed_percent != 0) && (fixed_percent != 1000))
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return 0;
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ctx->progress_last_time = tick;
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/*
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* Advance the spinner, and note that the progress bar
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* will be on the screen
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*/
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ctx->progress_pos = (ctx->progress_pos+1) & 3;
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ctx->flags |= E2F_FLAG_PROG_BAR;
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dpywidth = 66 - strlen(label);
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dpywidth = 8 * (dpywidth / 8);
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if (dpynum)
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dpywidth -= 8;
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i = ((percent * dpywidth) + 50) / 100;
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printf("%s%s: |%s%s", ctx->start_meta, label,
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bar + (sizeof(bar) - (i+1)),
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spaces + (sizeof(spaces) - (dpywidth - i + 1)));
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if (fixed_percent == 1000)
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fputc('|', stdout);
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else
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fputc(spinner[ctx->progress_pos & 3], stdout);
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printf(" %4.1f%% ", percent);
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if (dpynum)
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printf("%u\r", dpynum);
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else
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fputs(" \r", stdout);
|
|
fputs(ctx->stop_meta, stdout);
|
|
|
|
if (fixed_percent == 1000)
|
|
e2fsck_clear_progbar(ctx);
|
|
fflush(stdout);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int e2fsck_update_progress(e2fsck_t ctx, int pass,
|
|
unsigned long cur, unsigned long max)
|
|
{
|
|
char buf[1024];
|
|
float percent;
|
|
|
|
if (pass == 0)
|
|
return 0;
|
|
|
|
if (ctx->progress_fd) {
|
|
snprintf(buf, sizeof(buf), "%d %lu %lu %s\n",
|
|
pass, cur, max, ctx->device_name);
|
|
write_all(ctx->progress_fd, buf, strlen(buf));
|
|
} else {
|
|
percent = calc_percent(&e2fsck_tbl, pass, cur, max);
|
|
e2fsck_simple_progress(ctx, ctx->device_name,
|
|
percent, 0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define PATH_SET "PATH=/sbin"
|
|
|
|
static void reserve_stdio_fds(void)
|
|
{
|
|
int fd;
|
|
|
|
while (1) {
|
|
fd = open("/dev/null", O_RDWR);
|
|
if (fd > 2)
|
|
break;
|
|
if (fd < 0) {
|
|
fprintf(stderr, _("ERROR: Couldn't open "
|
|
"/dev/null (%s)\n"),
|
|
strerror(errno));
|
|
break;
|
|
}
|
|
}
|
|
close(fd);
|
|
}
|
|
|
|
#ifdef HAVE_SIGNAL_H
|
|
static void signal_progress_on(int sig EXT2FS_ATTR((unused)))
|
|
{
|
|
e2fsck_t ctx = e2fsck_global_ctx;
|
|
|
|
if (!ctx)
|
|
return;
|
|
|
|
ctx->progress = e2fsck_update_progress;
|
|
}
|
|
|
|
static void signal_progress_off(int sig EXT2FS_ATTR((unused)))
|
|
{
|
|
e2fsck_t ctx = e2fsck_global_ctx;
|
|
|
|
if (!ctx)
|
|
return;
|
|
|
|
e2fsck_clear_progbar(ctx);
|
|
ctx->progress = 0;
|
|
}
|
|
|
|
static void signal_cancel(int sig EXT2FS_ATTR((unused)))
|
|
{
|
|
e2fsck_t ctx = e2fsck_global_ctx;
|
|
|
|
if (!ctx)
|
|
exit(FSCK_CANCELED);
|
|
|
|
ctx->flags |= E2F_FLAG_CANCEL;
|
|
}
|
|
#endif
|
|
|
|
static void parse_extended_opts(e2fsck_t ctx, const char *opts)
|
|
{
|
|
char *buf, *token, *next, *p, *arg;
|
|
int ea_ver;
|
|
int extended_usage = 0;
|
|
|
|
buf = string_copy(ctx, opts, 0);
|
|
for (token = buf; token && *token; token = next) {
|
|
p = strchr(token, ',');
|
|
next = 0;
|
|
if (p) {
|
|
*p = 0;
|
|
next = p+1;
|
|
}
|
|
arg = strchr(token, '=');
|
|
if (arg) {
|
|
*arg = 0;
|
|
arg++;
|
|
}
|
|
if (strcmp(token, "ea_ver") == 0) {
|
|
if (!arg) {
|
|
extended_usage++;
|
|
continue;
|
|
}
|
|
ea_ver = strtoul(arg, &p, 0);
|
|
if (*p ||
|
|
((ea_ver != 1) && (ea_ver != 2))) {
|
|
fprintf(stderr,
|
|
_("Invalid EA version.\n"));
|
|
extended_usage++;
|
|
continue;
|
|
}
|
|
ctx->ext_attr_ver = ea_ver;
|
|
} else if (strcmp(token, "fragcheck") == 0) {
|
|
ctx->options |= E2F_OPT_FRAGCHECK;
|
|
continue;
|
|
} else {
|
|
fprintf(stderr, _("Unknown extended option: %s\n"),
|
|
token);
|
|
extended_usage++;
|
|
}
|
|
}
|
|
free(buf);
|
|
|
|
if (extended_usage) {
|
|
fputs(("\nExtended options are separated by commas, "
|
|
"and may take an argument which\n"
|
|
"is set off by an equals ('=') sign. "
|
|
"Valid extended options are:\n"), stderr);
|
|
fputs(("\tea_ver=<ea_version (1 or 2)>\n"), stderr);
|
|
fputs(("\tfragcheck\n"), stderr);
|
|
fputc('\n', stderr);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
static void syntax_err_report(const char *filename, long err, int line_num)
|
|
{
|
|
fprintf(stderr,
|
|
_("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"),
|
|
filename, line_num, error_message(err));
|
|
exit(FSCK_ERROR);
|
|
}
|
|
|
|
static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 };
|
|
|
|
static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
|
|
{
|
|
int flush = 0;
|
|
int c, fd;
|
|
#ifdef MTRACE
|
|
extern void *mallwatch;
|
|
#endif
|
|
e2fsck_t ctx;
|
|
errcode_t retval;
|
|
#ifdef HAVE_SIGNAL_H
|
|
struct sigaction sa;
|
|
#endif
|
|
char *extended_opts = 0;
|
|
char *cp;
|
|
int res; /* result of sscanf */
|
|
#ifdef CONFIG_JBD_DEBUG
|
|
char *jbd_debug;
|
|
#endif
|
|
|
|
retval = e2fsck_allocate_context(&ctx);
|
|
if (retval)
|
|
return retval;
|
|
|
|
*ret_ctx = ctx;
|
|
|
|
setvbuf(stdout, NULL, _IONBF, BUFSIZ);
|
|
setvbuf(stderr, NULL, _IONBF, BUFSIZ);
|
|
if (isatty(0) && isatty(1)) {
|
|
ctx->interactive = 1;
|
|
} else {
|
|
ctx->start_meta[0] = '\001';
|
|
ctx->stop_meta[0] = '\002';
|
|
}
|
|
memset(bar, '=', sizeof(bar)-1);
|
|
memset(spaces, ' ', sizeof(spaces)-1);
|
|
add_error_table(&et_ext2_error_table);
|
|
add_error_table(&et_prof_error_table);
|
|
blkid_get_cache(&ctx->blkid, NULL);
|
|
|
|
if (argc && *argv)
|
|
ctx->program_name = *argv;
|
|
else
|
|
ctx->program_name = "e2fsck";
|
|
while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF)
|
|
switch (c) {
|
|
case 'C':
|
|
ctx->progress = e2fsck_update_progress;
|
|
res = sscanf(optarg, "%d", &ctx->progress_fd);
|
|
if (res != 1)
|
|
goto sscanf_err;
|
|
|
|
if (ctx->progress_fd < 0) {
|
|
ctx->progress = 0;
|
|
ctx->progress_fd = ctx->progress_fd * -1;
|
|
}
|
|
if (!ctx->progress_fd)
|
|
break;
|
|
/* Validate the file descriptor to avoid disasters */
|
|
fd = dup(ctx->progress_fd);
|
|
if (fd < 0) {
|
|
fprintf(stderr,
|
|
_("Error validating file descriptor %d: %s\n"),
|
|
ctx->progress_fd,
|
|
error_message(errno));
|
|
fatal_error(ctx,
|
|
_("Invalid completion information file descriptor"));
|
|
} else
|
|
close(fd);
|
|
break;
|
|
case 'D':
|
|
ctx->options |= E2F_OPT_COMPRESS_DIRS;
|
|
break;
|
|
case 'E':
|
|
extended_opts = optarg;
|
|
break;
|
|
case 'p':
|
|
case 'a':
|
|
if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) {
|
|
conflict_opt:
|
|
fatal_error(ctx,
|
|
_("Only one of the options -p/-a, -n or -y may be specified."));
|
|
}
|
|
ctx->options |= E2F_OPT_PREEN;
|
|
break;
|
|
case 'n':
|
|
if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN))
|
|
goto conflict_opt;
|
|
ctx->options |= E2F_OPT_NO;
|
|
break;
|
|
case 'y':
|
|
if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO))
|
|
goto conflict_opt;
|
|
ctx->options |= E2F_OPT_YES;
|
|
break;
|
|
case 't':
|
|
#ifdef RESOURCE_TRACK
|
|
if (ctx->options & E2F_OPT_TIME)
|
|
ctx->options |= E2F_OPT_TIME2;
|
|
else
|
|
ctx->options |= E2F_OPT_TIME;
|
|
#else
|
|
fprintf(stderr, _("The -t option is not "
|
|
"supported on this version of e2fsck.\n"));
|
|
#endif
|
|
break;
|
|
case 'c':
|
|
if (cflag++)
|
|
ctx->options |= E2F_OPT_WRITECHECK;
|
|
ctx->options |= E2F_OPT_CHECKBLOCKS;
|
|
break;
|
|
case 'r':
|
|
/* What we do by default, anyway! */
|
|
break;
|
|
case 'b':
|
|
res = sscanf(optarg, "%u", &ctx->use_superblock);
|
|
if (res != 1)
|
|
goto sscanf_err;
|
|
ctx->flags |= E2F_FLAG_SB_SPECIFIED;
|
|
break;
|
|
case 'B':
|
|
ctx->blocksize = atoi(optarg);
|
|
break;
|
|
case 'I':
|
|
res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks);
|
|
if (res != 1)
|
|
goto sscanf_err;
|
|
break;
|
|
case 'j':
|
|
ctx->journal_name = string_copy(ctx, optarg, 0);
|
|
break;
|
|
case 'P':
|
|
res = sscanf(optarg, "%d", &ctx->process_inode_size);
|
|
if (res != 1)
|
|
goto sscanf_err;
|
|
break;
|
|
case 'L':
|
|
replace_bad_blocks++;
|
|
case 'l':
|
|
bad_blocks_file = string_copy(ctx, optarg, 0);
|
|
break;
|
|
case 'd':
|
|
ctx->options |= E2F_OPT_DEBUG;
|
|
break;
|
|
case 'f':
|
|
ctx->options |= E2F_OPT_FORCE;
|
|
break;
|
|
case 'F':
|
|
flush = 1;
|
|
break;
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case 'V':
|
|
show_version_only = 1;
|
|
break;
|
|
#ifdef MTRACE
|
|
case 'M':
|
|
mallwatch = (void *) strtol(optarg, NULL, 0);
|
|
break;
|
|
#endif
|
|
case 'N':
|
|
ctx->device_name = string_copy(ctx, optarg, 0);
|
|
break;
|
|
case 'k':
|
|
keep_bad_blocks++;
|
|
break;
|
|
default:
|
|
usage(ctx);
|
|
}
|
|
if (show_version_only)
|
|
return 0;
|
|
if (optind != argc - 1)
|
|
usage(ctx);
|
|
if ((ctx->options & E2F_OPT_NO) && !bad_blocks_file &&
|
|
!cflag && !(ctx->options & E2F_OPT_COMPRESS_DIRS))
|
|
ctx->options |= E2F_OPT_READONLY;
|
|
|
|
ctx->io_options = strchr(argv[optind], '?');
|
|
if (ctx->io_options)
|
|
*ctx->io_options++ = 0;
|
|
ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0);
|
|
if (!ctx->filesystem_name) {
|
|
com_err(ctx->program_name, 0, _("Unable to resolve '%s'"),
|
|
argv[optind]);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
if (extended_opts)
|
|
parse_extended_opts(ctx, extended_opts);
|
|
|
|
if ((cp = getenv("E2FSCK_CONFIG")) != NULL)
|
|
config_fn[0] = cp;
|
|
profile_set_syntax_err_cb(syntax_err_report);
|
|
profile_init(config_fn, &ctx->profile);
|
|
|
|
if (flush) {
|
|
fd = open(ctx->filesystem_name, O_RDONLY, 0);
|
|
if (fd < 0) {
|
|
com_err("open", errno,
|
|
_("while opening %s for flushing"),
|
|
ctx->filesystem_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
if ((retval = ext2fs_sync_device(fd, 1))) {
|
|
com_err("ext2fs_sync_device", retval,
|
|
_("while trying to flush %s"),
|
|
ctx->filesystem_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
close(fd);
|
|
}
|
|
if (cflag && bad_blocks_file) {
|
|
fprintf(stderr, _("The -c and the -l/-L options may "
|
|
"not be both used at the same time.\n"));
|
|
exit(FSCK_USAGE);
|
|
}
|
|
#ifdef HAVE_SIGNAL_H
|
|
/*
|
|
* Set up signal action
|
|
*/
|
|
memset(&sa, 0, sizeof(struct sigaction));
|
|
sa.sa_handler = signal_cancel;
|
|
sigaction(SIGINT, &sa, 0);
|
|
sigaction(SIGTERM, &sa, 0);
|
|
#ifdef SA_RESTART
|
|
sa.sa_flags = SA_RESTART;
|
|
#endif
|
|
e2fsck_global_ctx = ctx;
|
|
sa.sa_handler = signal_progress_on;
|
|
sigaction(SIGUSR1, &sa, 0);
|
|
sa.sa_handler = signal_progress_off;
|
|
sigaction(SIGUSR2, &sa, 0);
|
|
#endif
|
|
|
|
/* Update our PATH to include /sbin if we need to run badblocks */
|
|
if (cflag) {
|
|
char *oldpath = getenv("PATH");
|
|
char *newpath;
|
|
int len = sizeof(PATH_SET) + 1;
|
|
|
|
if (oldpath)
|
|
len += strlen(oldpath);
|
|
|
|
newpath = malloc(len);
|
|
if (!newpath)
|
|
fatal_error(ctx, "Couldn't malloc() newpath");
|
|
strcpy(newpath, PATH_SET);
|
|
|
|
if (oldpath) {
|
|
strcat(newpath, ":");
|
|
strcat(newpath, oldpath);
|
|
}
|
|
putenv(newpath);
|
|
}
|
|
#ifdef CONFIG_JBD_DEBUG
|
|
jbd_debug = getenv("E2FSCK_JBD_DEBUG");
|
|
if (jbd_debug) {
|
|
res = sscanf(jbd_debug, "%d", &journal_enable_debug);
|
|
if (res != 1) {
|
|
fprintf(stderr,
|
|
_("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"),
|
|
jbd_debug);
|
|
exit (1);
|
|
}
|
|
}
|
|
#endif
|
|
return 0;
|
|
|
|
sscanf_err:
|
|
fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"),
|
|
c, optarg);
|
|
exit (1);
|
|
}
|
|
|
|
static errcode_t try_open_fs(e2fsck_t ctx, int flags, io_manager io_ptr,
|
|
ext2_filsys *ret_fs)
|
|
{
|
|
errcode_t retval;
|
|
|
|
*ret_fs = NULL;
|
|
if (ctx->superblock && ctx->blocksize) {
|
|
retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
|
|
flags, ctx->superblock, ctx->blocksize,
|
|
io_ptr, ret_fs);
|
|
} else if (ctx->superblock) {
|
|
int blocksize;
|
|
for (blocksize = EXT2_MIN_BLOCK_SIZE;
|
|
blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) {
|
|
if (*ret_fs) {
|
|
ext2fs_free(*ret_fs);
|
|
*ret_fs = NULL;
|
|
}
|
|
retval = ext2fs_open2(ctx->filesystem_name,
|
|
ctx->io_options, flags,
|
|
ctx->superblock, blocksize,
|
|
io_ptr, ret_fs);
|
|
if (!retval)
|
|
break;
|
|
}
|
|
} else
|
|
retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
|
|
flags, 0, 0, io_ptr, ret_fs);
|
|
return retval;
|
|
}
|
|
|
|
|
|
static const char *my_ver_string = E2FSPROGS_VERSION;
|
|
static const char *my_ver_date = E2FSPROGS_DATE;
|
|
|
|
int main (int argc, char *argv[])
|
|
{
|
|
errcode_t retval = 0, orig_retval = 0;
|
|
int exit_value = FSCK_OK;
|
|
ext2_filsys fs = 0;
|
|
io_manager io_ptr;
|
|
struct ext2_super_block *sb;
|
|
const char *lib_ver_date;
|
|
int my_ver, lib_ver;
|
|
e2fsck_t ctx;
|
|
blk_t orig_superblock;
|
|
struct problem_context pctx;
|
|
int flags, run_result;
|
|
int journal_size;
|
|
int sysval, sys_page_size = 4096;
|
|
__u32 features[3];
|
|
char *cp;
|
|
|
|
clear_problem_context(&pctx);
|
|
#ifdef MTRACE
|
|
mtrace();
|
|
#endif
|
|
#ifdef MCHECK
|
|
mcheck(0);
|
|
#endif
|
|
#ifdef ENABLE_NLS
|
|
setlocale(LC_MESSAGES, "");
|
|
setlocale(LC_CTYPE, "");
|
|
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
|
|
textdomain(NLS_CAT_NAME);
|
|
#endif
|
|
my_ver = ext2fs_parse_version_string(my_ver_string);
|
|
lib_ver = ext2fs_get_library_version(0, &lib_ver_date);
|
|
if (my_ver > lib_ver) {
|
|
fprintf( stderr, _("Error: ext2fs library version "
|
|
"out of date!\n"));
|
|
show_version_only++;
|
|
}
|
|
|
|
retval = PRS(argc, argv, &ctx);
|
|
if (retval) {
|
|
com_err("e2fsck", retval,
|
|
_("while trying to initialize program"));
|
|
exit(FSCK_ERROR);
|
|
}
|
|
reserve_stdio_fds();
|
|
|
|
init_resource_track(&ctx->global_rtrack, NULL);
|
|
if (!(ctx->options & E2F_OPT_PREEN) || show_version_only)
|
|
fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string,
|
|
my_ver_date);
|
|
|
|
if (show_version_only) {
|
|
fprintf(stderr, _("\tUsing %s, %s\n"),
|
|
error_message(EXT2_ET_BASE), lib_ver_date);
|
|
exit(FSCK_OK);
|
|
}
|
|
|
|
check_mount(ctx);
|
|
|
|
if (!(ctx->options & E2F_OPT_PREEN) &&
|
|
!(ctx->options & E2F_OPT_NO) &&
|
|
!(ctx->options & E2F_OPT_YES)) {
|
|
if (!ctx->interactive)
|
|
fatal_error(ctx,
|
|
_("need terminal for interactive repairs"));
|
|
}
|
|
ctx->superblock = ctx->use_superblock;
|
|
restart:
|
|
#ifdef CONFIG_TESTIO_DEBUG
|
|
if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
|
|
io_ptr = test_io_manager;
|
|
test_io_backing_manager = unix_io_manager;
|
|
} else
|
|
#endif
|
|
io_ptr = unix_io_manager;
|
|
flags = EXT2_FLAG_NOFREE_ON_ERROR;
|
|
if ((ctx->options & E2F_OPT_READONLY) == 0)
|
|
flags |= EXT2_FLAG_RW;
|
|
if ((ctx->mount_flags & EXT2_MF_MOUNTED) == 0)
|
|
flags |= EXT2_FLAG_EXCLUSIVE;
|
|
|
|
retval = try_open_fs(ctx, flags, io_ptr, &fs);
|
|
|
|
if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) &&
|
|
!(ctx->flags & E2F_FLAG_SB_SPECIFIED) &&
|
|
((retval == EXT2_ET_BAD_MAGIC) ||
|
|
(retval == EXT2_ET_CORRUPT_SUPERBLOCK) ||
|
|
((retval == 0) && ext2fs_check_desc(fs)))) {
|
|
if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) {
|
|
ext2fs_free(fs);
|
|
fs = NULL;
|
|
}
|
|
if (!fs || (fs->group_desc_count > 1)) {
|
|
printf(_("%s: %s trying backup blocks...\n"),
|
|
ctx->program_name,
|
|
retval ? _("Superblock invalid,") :
|
|
_("Group descriptors look bad..."));
|
|
orig_superblock = ctx->superblock;
|
|
get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr);
|
|
if (fs)
|
|
ext2fs_close(fs);
|
|
orig_retval = retval;
|
|
retval = try_open_fs(ctx, flags, io_ptr, &fs);
|
|
if ((orig_retval == 0) && retval != 0) {
|
|
com_err(ctx->program_name, retval,
|
|
"when using the backup blocks");
|
|
printf(_("%s: going back to original "
|
|
"superblock\n"), ctx->program_name);
|
|
ctx->superblock = orig_superblock;
|
|
retval = try_open_fs(ctx, flags, io_ptr, &fs);
|
|
}
|
|
}
|
|
}
|
|
if (((retval == EXT2_ET_UNSUPP_FEATURE) ||
|
|
(retval == EXT2_ET_RO_UNSUPP_FEATURE)) &&
|
|
fs && fs->super) {
|
|
sb = fs->super;
|
|
features[0] = (sb->s_feature_compat &
|
|
~EXT2_LIB_FEATURE_COMPAT_SUPP);
|
|
features[1] = (sb->s_feature_incompat &
|
|
~EXT2_LIB_FEATURE_INCOMPAT_SUPP);
|
|
features[2] = (sb->s_feature_ro_compat &
|
|
~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
|
|
if (features[0] || features[1] || features[2])
|
|
goto print_unsupp_features;
|
|
}
|
|
if (retval) {
|
|
if (orig_retval)
|
|
retval = orig_retval;
|
|
com_err(ctx->program_name, retval, _("while trying to open %s"),
|
|
ctx->filesystem_name);
|
|
if (retval == EXT2_ET_REV_TOO_HIGH) {
|
|
printf(_("The filesystem revision is apparently "
|
|
"too high for this version of e2fsck.\n"
|
|
"(Or the filesystem superblock "
|
|
"is corrupt)\n\n"));
|
|
fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
|
|
} else if (retval == EXT2_ET_SHORT_READ)
|
|
printf(_("Could this be a zero-length partition?\n"));
|
|
else if ((retval == EPERM) || (retval == EACCES))
|
|
printf(_("You must have %s access to the "
|
|
"filesystem or be root\n"),
|
|
(ctx->options & E2F_OPT_READONLY) ?
|
|
"r/o" : "r/w");
|
|
else if (retval == ENXIO)
|
|
printf(_("Possibly non-existent or swap device?\n"));
|
|
else if (retval == EBUSY)
|
|
printf(_("Filesystem mounted or opened exclusively "
|
|
"by another program?\n"));
|
|
#ifdef EROFS
|
|
else if (retval == EROFS)
|
|
printf(_("Disk write-protected; use the -n option "
|
|
"to do a read-only\n"
|
|
"check of the device.\n"));
|
|
#endif
|
|
else
|
|
fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
/*
|
|
* We only update the master superblock because (a) paranoia;
|
|
* we don't want to corrupt the backup superblocks, and (b) we
|
|
* don't need to update the mount count and last checked
|
|
* fields in the backup superblock (the kernel doesn't update
|
|
* the backup superblocks anyway). With newer versions of the
|
|
* library this flag is set by ext2fs_open2(), but we set this
|
|
* here just to be sure. (No, we don't support e2fsck running
|
|
* with some other libext2fs than the one that it was shipped
|
|
* with, but just in case....)
|
|
*/
|
|
fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
|
|
|
|
if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) {
|
|
__u32 blocksize = EXT2_BLOCK_SIZE(fs->super);
|
|
int need_restart = 0;
|
|
|
|
pctx.errcode = ext2fs_get_device_size(ctx->filesystem_name,
|
|
blocksize,
|
|
&ctx->num_blocks);
|
|
/*
|
|
* The floppy driver refuses to allow anyone else to
|
|
* open the device if has been opened with O_EXCL;
|
|
* this is unlike other block device drivers in Linux.
|
|
* To handle this, we close the filesystem and then
|
|
* reopen the filesystem after we get the device size.
|
|
*/
|
|
if (pctx.errcode == EBUSY) {
|
|
ext2fs_close(fs);
|
|
need_restart++;
|
|
pctx.errcode =
|
|
ext2fs_get_device_size(ctx->filesystem_name,
|
|
blocksize,
|
|
&ctx->num_blocks);
|
|
}
|
|
if (pctx.errcode == EXT2_ET_UNIMPLEMENTED)
|
|
ctx->num_blocks = 0;
|
|
else if (pctx.errcode) {
|
|
fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx);
|
|
ctx->flags |= E2F_FLAG_ABORT;
|
|
fatal_error(ctx, 0);
|
|
}
|
|
ctx->flags |= E2F_FLAG_GOT_DEVSIZE;
|
|
if (need_restart)
|
|
goto restart;
|
|
}
|
|
|
|
ctx->fs = fs;
|
|
fs->priv_data = ctx;
|
|
fs->now = ctx->now;
|
|
sb = fs->super;
|
|
if (sb->s_rev_level > E2FSCK_CURRENT_REV) {
|
|
com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH,
|
|
_("while trying to open %s"),
|
|
ctx->filesystem_name);
|
|
get_newer:
|
|
fatal_error(ctx, _("Get a newer version of e2fsck!"));
|
|
}
|
|
|
|
/*
|
|
* Set the device name, which is used whenever we print error
|
|
* or informational messages to the user.
|
|
*/
|
|
if (ctx->device_name == 0 &&
|
|
(sb->s_volume_name[0] != 0)) {
|
|
ctx->device_name = string_copy(ctx, sb->s_volume_name,
|
|
sizeof(sb->s_volume_name));
|
|
}
|
|
if (ctx->device_name == 0)
|
|
ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0);
|
|
for (cp = ctx->device_name; *cp; cp++)
|
|
if (isspace(*cp) || *cp == ':')
|
|
*cp = '_';
|
|
|
|
ehandler_init(fs->io);
|
|
|
|
if ((ctx->mount_flags & EXT2_MF_MOUNTED) &&
|
|
!(sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER))
|
|
goto skip_journal;
|
|
|
|
/*
|
|
* Make sure the ext3 superblock fields are consistent.
|
|
*/
|
|
retval = e2fsck_check_ext3_journal(ctx);
|
|
if (retval) {
|
|
com_err(ctx->program_name, retval,
|
|
_("while checking ext3 journal for %s"),
|
|
ctx->device_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
|
|
/*
|
|
* Check to see if we need to do ext3-style recovery. If so,
|
|
* do it, and then restart the fsck.
|
|
*/
|
|
if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) {
|
|
if (ctx->options & E2F_OPT_READONLY) {
|
|
printf(_("Warning: skipping journal recovery "
|
|
"because doing a read-only filesystem "
|
|
"check.\n"));
|
|
io_channel_flush(ctx->fs->io);
|
|
} else {
|
|
if (ctx->flags & E2F_FLAG_RESTARTED) {
|
|
/*
|
|
* Whoops, we attempted to run the
|
|
* journal twice. This should never
|
|
* happen, unless the hardware or
|
|
* device driver is being bogus.
|
|
*/
|
|
com_err(ctx->program_name, 0,
|
|
_("unable to set superblock flags on %s\n"), ctx->device_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
retval = e2fsck_run_ext3_journal(ctx);
|
|
if (retval) {
|
|
com_err(ctx->program_name, retval,
|
|
_("while recovering ext3 journal of %s"),
|
|
ctx->device_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
ext2fs_close(ctx->fs);
|
|
ctx->fs = 0;
|
|
ctx->flags |= E2F_FLAG_RESTARTED;
|
|
goto restart;
|
|
}
|
|
}
|
|
|
|
skip_journal:
|
|
/*
|
|
* Check for compatibility with the feature sets. We need to
|
|
* be more stringent than ext2fs_open().
|
|
*/
|
|
features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP;
|
|
features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP;
|
|
features[2] = (sb->s_feature_ro_compat &
|
|
~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
|
|
print_unsupp_features:
|
|
if (features[0] || features[1] || features[2]) {
|
|
int i, j;
|
|
__u32 *mask = features, m;
|
|
|
|
fprintf(stderr, _("%s has unsupported feature(s):"),
|
|
ctx->filesystem_name);
|
|
|
|
for (i=0; i <3; i++,mask++) {
|
|
for (j=0,m=1; j < 32; j++, m<<=1) {
|
|
if (*mask & m)
|
|
fprintf(stderr, " %s",
|
|
e2p_feature2string(i, m));
|
|
}
|
|
}
|
|
putc('\n', stderr);
|
|
goto get_newer;
|
|
}
|
|
#ifdef ENABLE_COMPRESSION
|
|
if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION)
|
|
com_err(ctx->program_name, 0,
|
|
_("Warning: compression support is experimental.\n"));
|
|
#endif
|
|
#ifndef ENABLE_HTREE
|
|
if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) {
|
|
com_err(ctx->program_name, 0,
|
|
_("E2fsck not compiled with HTREE support,\n\t"
|
|
"but filesystem %s has HTREE directories.\n"),
|
|
ctx->device_name);
|
|
goto get_newer;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* If the user specified a specific superblock, presumably the
|
|
* master superblock has been trashed. So we mark the
|
|
* superblock as dirty, so it can be written out.
|
|
*/
|
|
if (ctx->superblock &&
|
|
!(ctx->options & E2F_OPT_READONLY))
|
|
ext2fs_mark_super_dirty(fs);
|
|
|
|
/*
|
|
* Calculate the number of filesystem blocks per pagesize. If
|
|
* fs->blocksize > page_size, set the number of blocks per
|
|
* pagesize to 1 to avoid division by zero errors.
|
|
*/
|
|
#ifdef _SC_PAGESIZE
|
|
sysval = sysconf(_SC_PAGESIZE);
|
|
if (sysval > 0)
|
|
sys_page_size = sysval;
|
|
#endif /* _SC_PAGESIZE */
|
|
ctx->blocks_per_page = sys_page_size / fs->blocksize;
|
|
if (ctx->blocks_per_page == 0)
|
|
ctx->blocks_per_page = 1;
|
|
|
|
if (ctx->superblock)
|
|
set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0);
|
|
ext2fs_mark_valid(fs);
|
|
check_super_block(ctx);
|
|
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
|
|
fatal_error(ctx, 0);
|
|
check_if_skip(ctx);
|
|
check_resize_inode(ctx);
|
|
if (bad_blocks_file)
|
|
read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks);
|
|
else if (cflag)
|
|
read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */
|
|
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
|
|
fatal_error(ctx, 0);
|
|
|
|
/*
|
|
* Mark the system as valid, 'til proven otherwise
|
|
*/
|
|
ext2fs_mark_valid(fs);
|
|
|
|
retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
|
|
if (retval) {
|
|
com_err(ctx->program_name, retval,
|
|
_("while reading bad blocks inode"));
|
|
preenhalt(ctx);
|
|
printf(_("This doesn't bode well,"
|
|
" but we'll try to go on...\n"));
|
|
}
|
|
|
|
/*
|
|
* Save the journal size in megabytes.
|
|
* Try and use the journal size from the backup else let e2fsck
|
|
* find the default journal size.
|
|
*/
|
|
if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS)
|
|
journal_size = sb->s_jnl_blocks[16] >> 20;
|
|
else
|
|
journal_size = -1;
|
|
|
|
run_result = e2fsck_run(ctx);
|
|
e2fsck_clear_progbar(ctx);
|
|
|
|
if (ctx->flags & E2F_FLAG_JOURNAL_INODE) {
|
|
if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) {
|
|
if (journal_size < 1024)
|
|
journal_size = ext2fs_default_journal_size(fs->super->s_blocks_count);
|
|
if (journal_size < 0) {
|
|
fs->super->s_feature_compat &=
|
|
~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
|
|
fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
|
|
com_err(ctx->program_name, 0,
|
|
_("Couldn't determine journal size"));
|
|
goto no_journal;
|
|
}
|
|
printf(_("Creating journal (%d blocks): "),
|
|
journal_size);
|
|
fflush(stdout);
|
|
retval = ext2fs_add_journal_inode(fs,
|
|
journal_size, 0);
|
|
if (retval) {
|
|
com_err("Error ", retval,
|
|
_("\n\twhile trying to create journal"));
|
|
goto no_journal;
|
|
}
|
|
printf(_(" Done.\n"));
|
|
printf(_("\n*** journal has been re-created - "
|
|
"filesystem is now ext3 again ***\n"));
|
|
}
|
|
}
|
|
no_journal:
|
|
|
|
if (run_result == E2F_FLAG_RESTART) {
|
|
printf(_("Restarting e2fsck from the beginning...\n"));
|
|
retval = e2fsck_reset_context(ctx);
|
|
if (retval) {
|
|
com_err(ctx->program_name, retval,
|
|
_("while resetting context"));
|
|
fatal_error(ctx, 0);
|
|
}
|
|
ext2fs_close(fs);
|
|
goto restart;
|
|
}
|
|
if (run_result & E2F_FLAG_CANCEL) {
|
|
printf(_("%s: e2fsck canceled.\n"), ctx->device_name ?
|
|
ctx->device_name : ctx->filesystem_name);
|
|
exit_value |= FSCK_CANCELED;
|
|
}
|
|
if (run_result & E2F_FLAG_ABORT)
|
|
fatal_error(ctx, _("aborted"));
|
|
if (check_backup_super_block(ctx)) {
|
|
fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
|
|
ext2fs_mark_super_dirty(fs);
|
|
}
|
|
|
|
#ifdef MTRACE
|
|
mtrace_print("Cleanup");
|
|
#endif
|
|
if (ext2fs_test_changed(fs)) {
|
|
exit_value |= FSCK_NONDESTRUCT;
|
|
if (!(ctx->options & E2F_OPT_PREEN))
|
|
printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"),
|
|
ctx->device_name);
|
|
if (ctx->mount_flags & EXT2_MF_ISROOT) {
|
|
printf(_("%s: ***** REBOOT LINUX *****\n"),
|
|
ctx->device_name);
|
|
exit_value |= FSCK_REBOOT;
|
|
}
|
|
}
|
|
if (!ext2fs_test_valid(fs) ||
|
|
((exit_value & FSCK_CANCELED) &&
|
|
(sb->s_state & EXT2_ERROR_FS))) {
|
|
printf(_("\n%s: ********** WARNING: Filesystem still has "
|
|
"errors **********\n\n"), ctx->device_name);
|
|
exit_value |= FSCK_UNCORRECTED;
|
|
exit_value &= ~FSCK_NONDESTRUCT;
|
|
}
|
|
if (exit_value & FSCK_CANCELED) {
|
|
int allow_cancellation;
|
|
|
|
profile_get_boolean(ctx->profile, "options",
|
|
"allow_cancellation", 0, 0,
|
|
&allow_cancellation);
|
|
exit_value &= ~FSCK_NONDESTRUCT;
|
|
if (allow_cancellation && ext2fs_test_valid(fs) &&
|
|
(sb->s_state & EXT2_VALID_FS) &&
|
|
!(sb->s_state & EXT2_ERROR_FS))
|
|
exit_value = 0;
|
|
} else {
|
|
show_stats(ctx);
|
|
if (!(ctx->options & E2F_OPT_READONLY)) {
|
|
if (ext2fs_test_valid(fs)) {
|
|
if (!(sb->s_state & EXT2_VALID_FS))
|
|
exit_value |= FSCK_NONDESTRUCT;
|
|
sb->s_state = EXT2_VALID_FS;
|
|
} else
|
|
sb->s_state &= ~EXT2_VALID_FS;
|
|
sb->s_mnt_count = 0;
|
|
sb->s_lastcheck = ctx->now;
|
|
ext2fs_mark_super_dirty(fs);
|
|
}
|
|
}
|
|
|
|
if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM &&
|
|
!(ctx->options & E2F_OPT_READONLY)) {
|
|
retval = ext2fs_set_gdt_csum(ctx->fs);
|
|
if (retval) {
|
|
com_err(ctx->program_name, retval,
|
|
_("while setting block group checksum info"));
|
|
fatal_error(ctx, 0);
|
|
}
|
|
}
|
|
|
|
e2fsck_write_bitmaps(ctx);
|
|
io_channel_flush(ctx->fs->io);
|
|
print_resource_track(ctx, NULL, &ctx->global_rtrack, ctx->fs->io);
|
|
|
|
ext2fs_close(fs);
|
|
ctx->fs = NULL;
|
|
free(ctx->journal_name);
|
|
|
|
e2fsck_free_context(ctx);
|
|
remove_error_table(&et_ext2_error_table);
|
|
remove_error_table(&et_prof_error_table);
|
|
return exit_value;
|
|
}
|