[1765] | 1 | /* vi: set sw=4 ts=4: */
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[821] | 2 | /*
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[1765] | 3 | * fsck --- A generic, parallelizing front-end for the fsck program.
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[821] | 4 | * It will automatically try to run fsck programs in parallel if the
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| 5 | * devices are on separate spindles. It is based on the same ideas as
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| 6 | * the generic front end for fsck by David Engel and Fred van Kempen,
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| 7 | * but it has been completely rewritten from scratch to support
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| 8 | * parallel execution.
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| 9 | *
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| 10 | * Written by Theodore Ts'o, <tytso@mit.edu>
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| 11 | *
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| 12 | * Miquel van Smoorenburg (miquels@drinkel.ow.org) 20-Oct-1994:
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| 13 | * o Changed -t fstype to behave like with mount when -A (all file
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| 14 | * systems) or -M (like mount) is specified.
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| 15 | * o fsck looks if it can find the fsck.type program to decide
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| 16 | * if it should ignore the fs type. This way more fsck programs
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| 17 | * can be added without changing this front-end.
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| 18 | * o -R flag skip root file system.
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| 19 | *
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| 20 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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| 21 | * 2001, 2002, 2003, 2004, 2005 by Theodore Ts'o.
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| 22 | *
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[2725] | 23 | * Licensed under GPLv2, see file LICENSE in this source tree.
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[821] | 24 | */
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| 25 |
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[1765] | 26 | /* All filesystem specific hooks have been removed.
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| 27 | * If filesystem cannot be determined, we will execute
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| 28 | * "fsck.auto". Currently this also happens if you specify
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| 29 | * UUID=xxx or LABEL=xxx as an object to check.
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| 30 | * Detection code for that is also probably has to be in fsck.auto.
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| 31 | *
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| 32 | * In other words, this is _really_ is just a driver program which
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| 33 | * spawns actual fsck.something for each filesystem to check.
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| 34 | * It doesn't guess filesystem types from on-disk format.
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[821] | 35 | */
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| 36 |
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[3232] | 37 | //usage:#define fsck_trivial_usage
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| 38 | //usage: "[-ANPRTV] [-C FD] [-t FSTYPE] [FS_OPTS] [BLOCKDEV]..."
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| 39 | //usage:#define fsck_full_usage "\n\n"
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| 40 | //usage: "Check and repair filesystems\n"
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| 41 | //usage: "\n -A Walk /etc/fstab and check all filesystems"
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| 42 | //usage: "\n -N Don't execute, just show what would be done"
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| 43 | //usage: "\n -P With -A, check filesystems in parallel"
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| 44 | //usage: "\n -R With -A, skip the root filesystem"
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| 45 | //usage: "\n -T Don't show title on startup"
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| 46 | //usage: "\n -V Verbose"
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| 47 | //usage: "\n -C n Write status information to specified filedescriptor"
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| 48 | //usage: "\n -t TYPE List of filesystem types to check"
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| 49 |
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[1765] | 50 | #include "libbb.h"
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[821] | 51 |
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[2725] | 52 | /* "progress indicator" code is somewhat buggy and ext[23] specific.
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| 53 | * We should be filesystem agnostic. IOW: there should be a well-defined
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| 54 | * API for fsck.something, NOT ad-hoc hacks in generic fsck. */
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| 55 | #define DO_PROGRESS_INDICATOR 0
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| 56 |
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| 57 | /* fsck 1.41.4 (27-Jan-2009) manpage says:
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| 58 | * 0 - No errors
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| 59 | * 1 - File system errors corrected
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| 60 | * 2 - System should be rebooted
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| 61 | * 4 - File system errors left uncorrected
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| 62 | * 8 - Operational error
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| 63 | * 16 - Usage or syntax error
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| 64 | * 32 - Fsck canceled by user request
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| 65 | * 128 - Shared library error
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| 66 | */
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[1765] | 67 | #define EXIT_OK 0
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| 68 | #define EXIT_NONDESTRUCT 1
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| 69 | #define EXIT_DESTRUCT 2
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| 70 | #define EXIT_UNCORRECTED 4
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| 71 | #define EXIT_ERROR 8
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| 72 | #define EXIT_USAGE 16
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| 73 | #define FSCK_CANCELED 32 /* Aborted with a signal or ^C */
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[821] | 74 |
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| 75 | /*
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[1765] | 76 | * Internal structure for mount table entries.
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[821] | 77 | */
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| 78 | struct fs_info {
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| 79 | struct fs_info *next;
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[1765] | 80 | char *device;
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| 81 | char *mountpt;
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| 82 | char *type;
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| 83 | char *opts;
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| 84 | int passno;
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| 85 | int flags;
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[821] | 86 | };
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| 87 |
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| 88 | #define FLAG_DONE 1
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| 89 | #define FLAG_PROGRESS 2
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| 90 | /*
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| 91 | * Structure to allow exit codes to be stored
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| 92 | */
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| 93 | struct fsck_instance {
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[1765] | 94 | struct fsck_instance *next;
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[821] | 95 | int pid;
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| 96 | int flags;
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[2725] | 97 | #if DO_PROGRESS_INDICATOR
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[821] | 98 | time_t start_time;
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[2725] | 99 | #endif
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[1765] | 100 | char *prog;
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| 101 | char *device;
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| 102 | char *base_device; /* /dev/hda for /dev/hdaN etc */
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[821] | 103 | };
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| 104 |
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[1765] | 105 | static const char ignored_types[] ALIGN1 =
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| 106 | "ignore\0"
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| 107 | "iso9660\0"
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| 108 | "nfs\0"
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| 109 | "proc\0"
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| 110 | "sw\0"
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| 111 | "swap\0"
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| 112 | "tmpfs\0"
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| 113 | "devpts\0";
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| 114 |
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| 115 | #if 0
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| 116 | static const char really_wanted[] ALIGN1 =
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| 117 | "minix\0"
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| 118 | "ext2\0"
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| 119 | "ext3\0"
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| 120 | "jfs\0"
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| 121 | "reiserfs\0"
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| 122 | "xiafs\0"
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| 123 | "xfs\0";
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| 124 | #endif
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| 125 |
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| 126 | #define BASE_MD "/dev/md"
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| 127 |
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| 128 | static char **args;
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| 129 | static int num_args;
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| 130 | static int verbose;
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| 131 |
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| 132 | #define FS_TYPE_FLAG_NORMAL 0
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| 133 | #define FS_TYPE_FLAG_OPT 1
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| 134 | #define FS_TYPE_FLAG_NEGOPT 2
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| 135 | static char **fs_type_list;
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| 136 | static uint8_t *fs_type_flag;
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| 137 | static smallint fs_type_negated;
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| 138 |
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| 139 | static smallint noexecute;
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| 140 | static smallint serialize;
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| 141 | static smallint skip_root;
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| 142 | /* static smallint like_mount; */
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| 143 | static smallint parallel_root;
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| 144 | static smallint force_all_parallel;
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| 145 |
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| 146 | #if DO_PROGRESS_INDICATOR
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| 147 | static smallint progress;
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| 148 | static int progress_fd;
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| 149 | #endif
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| 150 |
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| 151 | static int num_running;
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| 152 | static int max_running;
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| 153 | static char *fstype;
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| 154 | static struct fs_info *filesys_info;
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| 155 | static struct fs_info *filesys_last;
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| 156 | static struct fsck_instance *instance_list;
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| 157 |
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[821] | 158 | /*
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| 159 | * Return the "base device" given a particular device; this is used to
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| 160 | * assure that we only fsck one partition on a particular drive at any
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| 161 | * one time. Otherwise, the disk heads will be seeking all over the
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[1765] | 162 | * place. If the base device cannot be determined, return NULL.
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[821] | 163 | *
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| 164 | * The base_device() function returns an allocated string which must
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| 165 | * be freed.
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| 166 | */
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[1765] | 167 | #if ENABLE_FEATURE_DEVFS
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[821] | 168 | /*
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| 169 | * Required for the uber-silly devfs /dev/ide/host1/bus2/target3/lun3
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| 170 | * pathames.
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| 171 | */
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[1765] | 172 | static const char *const devfs_hier[] = {
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| 173 | "host", "bus", "target", "lun", NULL
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[821] | 174 | };
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| 175 | #endif
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| 176 |
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| 177 | static char *base_device(const char *device)
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| 178 | {
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| 179 | char *str, *cp;
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[1765] | 180 | #if ENABLE_FEATURE_DEVFS
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| 181 | const char *const *hier;
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[821] | 182 | const char *disk;
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| 183 | int len;
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| 184 | #endif
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[2725] | 185 | str = xstrdup(device);
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[821] | 186 |
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[2725] | 187 | /* Skip over "/dev/"; if it's not present, give up */
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| 188 | cp = skip_dev_pfx(str);
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| 189 | if (cp == str)
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[821] | 190 | goto errout;
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| 191 |
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| 192 | /*
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| 193 | * For md devices, we treat them all as if they were all
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| 194 | * on one disk, since we don't know how to parallelize them.
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| 195 | */
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| 196 | if (cp[0] == 'm' && cp[1] == 'd') {
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[1765] | 197 | cp[2] = 0;
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[821] | 198 | return str;
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| 199 | }
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| 200 |
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| 201 | /* Handle DAC 960 devices */
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| 202 | if (strncmp(cp, "rd/", 3) == 0) {
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| 203 | cp += 3;
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[1765] | 204 | if (cp[0] != 'c' || !isdigit(cp[1])
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| 205 | || cp[2] != 'd' || !isdigit(cp[3]))
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[821] | 206 | goto errout;
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[1765] | 207 | cp[4] = 0;
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[821] | 208 | return str;
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| 209 | }
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| 210 |
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| 211 | /* Now let's handle /dev/hd* and /dev/sd* devices.... */
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[1765] | 212 | if ((cp[0] == 'h' || cp[0] == 's') && cp[1] == 'd') {
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[821] | 213 | cp += 2;
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| 214 | /* If there's a single number after /dev/hd, skip it */
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| 215 | if (isdigit(*cp))
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| 216 | cp++;
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| 217 | /* What follows must be an alpha char, or give up */
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| 218 | if (!isalpha(*cp))
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| 219 | goto errout;
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[1765] | 220 | cp[1] = 0;
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[821] | 221 | return str;
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| 222 | }
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| 223 |
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[1765] | 224 | #if ENABLE_FEATURE_DEVFS
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[821] | 225 | /* Now let's handle devfs (ugh) names */
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| 226 | len = 0;
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| 227 | if (strncmp(cp, "ide/", 4) == 0)
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| 228 | len = 4;
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| 229 | if (strncmp(cp, "scsi/", 5) == 0)
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| 230 | len = 5;
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| 231 | if (len) {
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| 232 | cp += len;
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| 233 | /*
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| 234 | * Now we proceed down the expected devfs hierarchy.
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| 235 | * i.e., .../host1/bus2/target3/lun4/...
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| 236 | * If we don't find the expected token, followed by
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| 237 | * some number of digits at each level, abort.
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| 238 | */
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| 239 | for (hier = devfs_hier; *hier; hier++) {
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| 240 | len = strlen(*hier);
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| 241 | if (strncmp(cp, *hier, len) != 0)
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| 242 | goto errout;
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| 243 | cp += len;
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| 244 | while (*cp != '/' && *cp != 0) {
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| 245 | if (!isdigit(*cp))
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| 246 | goto errout;
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| 247 | cp++;
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| 248 | }
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| 249 | cp++;
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| 250 | }
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[1765] | 251 | cp[-1] = 0;
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[821] | 252 | return str;
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| 253 | }
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| 254 |
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| 255 | /* Now handle devfs /dev/disc or /dev/disk names */
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| 256 | disk = 0;
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| 257 | if (strncmp(cp, "discs/", 6) == 0)
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| 258 | disk = "disc";
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| 259 | else if (strncmp(cp, "disks/", 6) == 0)
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| 260 | disk = "disk";
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| 261 | if (disk) {
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| 262 | cp += 6;
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| 263 | if (strncmp(cp, disk, 4) != 0)
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| 264 | goto errout;
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| 265 | cp += 4;
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| 266 | while (*cp != '/' && *cp != 0) {
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| 267 | if (!isdigit(*cp))
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| 268 | goto errout;
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| 269 | cp++;
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| 270 | }
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| 271 | *cp = 0;
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| 272 | return str;
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| 273 | }
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| 274 | #endif
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[1765] | 275 | errout:
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[821] | 276 | free(str);
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| 277 | return NULL;
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| 278 | }
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| 279 |
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[1765] | 280 | static void free_instance(struct fsck_instance *p)
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[821] | 281 | {
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[1765] | 282 | free(p->prog);
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| 283 | free(p->device);
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| 284 | free(p->base_device);
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| 285 | free(p);
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[821] | 286 | }
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| 287 |
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[1765] | 288 | static struct fs_info *create_fs_device(const char *device, const char *mntpnt,
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| 289 | const char *type, const char *opts,
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[2725] | 290 | int passno)
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[821] | 291 | {
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[1765] | 292 | struct fs_info *fs;
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[821] | 293 |
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[1765] | 294 | fs = xzalloc(sizeof(*fs));
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| 295 | fs->device = xstrdup(device);
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| 296 | fs->mountpt = xstrdup(mntpnt);
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[2725] | 297 | if (strchr(type, ','))
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| 298 | type = (char *)"auto";
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[1765] | 299 | fs->type = xstrdup(type);
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| 300 | fs->opts = xstrdup(opts ? opts : "");
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[2725] | 301 | fs->passno = passno < 0 ? 1 : passno;
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[1765] | 302 | /*fs->flags = 0; */
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| 303 | /*fs->next = NULL; */
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| 304 |
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| 305 | if (!filesys_info)
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| 306 | filesys_info = fs;
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[821] | 307 | else
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[1765] | 308 | filesys_last->next = fs;
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| 309 | filesys_last = fs;
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[821] | 310 |
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[1765] | 311 | return fs;
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[821] | 312 | }
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| 313 |
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[1765] | 314 | /* Load the filesystem database from /etc/fstab */
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[821] | 315 | static void load_fs_info(const char *filename)
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| 316 | {
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[2725] | 317 | FILE *fstab;
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| 318 | struct mntent mte;
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[821] | 319 |
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[2725] | 320 | fstab = setmntent(filename, "r");
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| 321 | if (!fstab) {
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| 322 | bb_perror_msg("can't read '%s'", filename);
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[821] | 323 | return;
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| 324 | }
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| 325 |
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[2725] | 326 | // Loop through entries
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| 327 | while (getmntent_r(fstab, &mte, bb_common_bufsiz1, COMMON_BUFSIZE)) {
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| 328 | //bb_info_msg("CREATE[%s][%s][%s][%s][%d]", mte.mnt_fsname, mte.mnt_dir,
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| 329 | // mte.mnt_type, mte.mnt_opts,
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| 330 | // mte.mnt_passno);
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[3232] | 331 | create_fs_device(mte.mnt_fsname, mte.mnt_dir,
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[2725] | 332 | mte.mnt_type, mte.mnt_opts,
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| 333 | mte.mnt_passno);
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[821] | 334 | }
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[2725] | 335 | endmntent(fstab);
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[821] | 336 | }
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| 337 |
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| 338 | /* Lookup filesys in /etc/fstab and return the corresponding entry. */
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| 339 | static struct fs_info *lookup(char *filesys)
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| 340 | {
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| 341 | struct fs_info *fs;
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| 342 |
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| 343 | for (fs = filesys_info; fs; fs = fs->next) {
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[1765] | 344 | if (strcmp(filesys, fs->device) == 0
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| 345 | || (fs->mountpt && strcmp(filesys, fs->mountpt) == 0)
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| 346 | )
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[821] | 347 | break;
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| 348 | }
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| 349 |
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| 350 | return fs;
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| 351 | }
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| 352 |
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[1765] | 353 | #if DO_PROGRESS_INDICATOR
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[821] | 354 | static int progress_active(void)
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| 355 | {
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| 356 | struct fsck_instance *inst;
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| 357 |
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| 358 | for (inst = instance_list; inst; inst = inst->next) {
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| 359 | if (inst->flags & FLAG_DONE)
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| 360 | continue;
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| 361 | if (inst->flags & FLAG_PROGRESS)
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| 362 | return 1;
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| 363 | }
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| 364 | return 0;
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| 365 | }
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[1765] | 366 | #endif
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[821] | 367 |
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| 368 |
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| 369 | /*
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| 370 | * Send a signal to all outstanding fsck child processes
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| 371 | */
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[2725] | 372 | static void kill_all_if_got_signal(void)
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[821] | 373 | {
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[1765] | 374 | static smallint kill_sent;
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| 375 |
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[821] | 376 | struct fsck_instance *inst;
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| 377 |
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[2725] | 378 | if (!bb_got_signal || kill_sent)
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[1765] | 379 | return;
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| 380 |
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[821] | 381 | for (inst = instance_list; inst; inst = inst->next) {
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| 382 | if (inst->flags & FLAG_DONE)
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| 383 | continue;
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[1765] | 384 | kill(inst->pid, SIGTERM);
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[821] | 385 | }
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[1765] | 386 | kill_sent = 1;
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[821] | 387 | }
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| 388 |
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| 389 | /*
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| 390 | * Wait for one child process to exit; when it does, unlink it from
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[2725] | 391 | * the list of executing child processes, free, and return its exit status.
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| 392 | * If there is no exited child, return -1.
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[821] | 393 | */
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[2725] | 394 | static int wait_one(int flags)
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[821] | 395 | {
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[1765] | 396 | int status;
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| 397 | int sig;
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| 398 | struct fsck_instance *inst, *prev;
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| 399 | pid_t pid;
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[821] | 400 |
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| 401 | if (!instance_list)
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[2725] | 402 | return -1;
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| 403 | /* if (noexecute) { already returned -1; } */
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[821] | 404 |
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[2725] | 405 | while (1) {
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[821] | 406 | pid = waitpid(-1, &status, flags);
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[2725] | 407 | kill_all_if_got_signal();
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| 408 | if (pid == 0) /* flags == WNOHANG and no children exited */
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| 409 | return -1;
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[821] | 410 | if (pid < 0) {
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[2725] | 411 | if (errno == EINTR)
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[821] | 412 | continue;
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[2725] | 413 | if (errno == ECHILD) { /* paranoia */
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| 414 | bb_error_msg("wait: no more children");
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| 415 | return -1;
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[821] | 416 | }
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[1765] | 417 | bb_perror_msg("wait");
|
---|
[821] | 418 | continue;
|
---|
| 419 | }
|
---|
[1765] | 420 | prev = NULL;
|
---|
| 421 | inst = instance_list;
|
---|
[2725] | 422 | do {
|
---|
[821] | 423 | if (inst->pid == pid)
|
---|
[2725] | 424 | goto child_died;
|
---|
[1765] | 425 | prev = inst;
|
---|
| 426 | inst = inst->next;
|
---|
[2725] | 427 | } while (inst);
|
---|
| 428 | }
|
---|
| 429 | child_died:
|
---|
[821] | 430 |
|
---|
| 431 | if (WIFEXITED(status))
|
---|
| 432 | status = WEXITSTATUS(status);
|
---|
| 433 | else if (WIFSIGNALED(status)) {
|
---|
| 434 | sig = WTERMSIG(status);
|
---|
[1765] | 435 | status = EXIT_UNCORRECTED;
|
---|
| 436 | if (sig != SIGINT) {
|
---|
[2725] | 437 | printf("Warning: %s %s terminated "
|
---|
| 438 | "by signal %d\n",
|
---|
[1765] | 439 | inst->prog, inst->device, sig);
|
---|
[821] | 440 | status = EXIT_ERROR;
|
---|
| 441 | }
|
---|
| 442 | } else {
|
---|
[1765] | 443 | printf("%s %s: status is %x, should never happen\n",
|
---|
| 444 | inst->prog, inst->device, status);
|
---|
[821] | 445 | status = EXIT_ERROR;
|
---|
| 446 | }
|
---|
[1765] | 447 |
|
---|
| 448 | #if DO_PROGRESS_INDICATOR
|
---|
| 449 | if (progress && (inst->flags & FLAG_PROGRESS) && !progress_active()) {
|
---|
| 450 | struct fsck_instance *inst2;
|
---|
[821] | 451 | for (inst2 = instance_list; inst2; inst2 = inst2->next) {
|
---|
| 452 | if (inst2->flags & FLAG_DONE)
|
---|
| 453 | continue;
|
---|
[1765] | 454 | if (strcmp(inst2->type, "ext2") != 0
|
---|
| 455 | && strcmp(inst2->type, "ext3") != 0
|
---|
| 456 | ) {
|
---|
[821] | 457 | continue;
|
---|
[1765] | 458 | }
|
---|
| 459 | /* ext[23], we will send USR1
|
---|
| 460 | * (request to start displaying progress bar)
|
---|
| 461 | *
|
---|
[821] | 462 | * If we've just started the fsck, wait a tiny
|
---|
| 463 | * bit before sending the kill, to give it
|
---|
| 464 | * time to set up the signal handler
|
---|
| 465 | */
|
---|
[1765] | 466 | if (inst2->start_time >= time(NULL) - 1)
|
---|
| 467 | sleep(1);
|
---|
| 468 | kill(inst2->pid, SIGUSR1);
|
---|
[821] | 469 | inst2->flags |= FLAG_PROGRESS;
|
---|
| 470 | break;
|
---|
| 471 | }
|
---|
| 472 | }
|
---|
[1765] | 473 | #endif
|
---|
| 474 |
|
---|
[821] | 475 | if (prev)
|
---|
| 476 | prev->next = inst->next;
|
---|
| 477 | else
|
---|
| 478 | instance_list = inst->next;
|
---|
| 479 | if (verbose > 1)
|
---|
| 480 | printf("Finished with %s (exit status %d)\n",
|
---|
[3232] | 481 | inst->device, status);
|
---|
[821] | 482 | num_running--;
|
---|
[2725] | 483 | free_instance(inst);
|
---|
| 484 |
|
---|
| 485 | return status;
|
---|
[821] | 486 | }
|
---|
| 487 |
|
---|
| 488 | /*
|
---|
| 489 | * Wait until all executing child processes have exited; return the
|
---|
| 490 | * logical OR of all of their exit code values.
|
---|
| 491 | */
|
---|
[2725] | 492 | #define FLAG_WAIT_ALL 0
|
---|
| 493 | #define FLAG_WAIT_ATLEAST_ONE WNOHANG
|
---|
[821] | 494 | static int wait_many(int flags)
|
---|
| 495 | {
|
---|
[2725] | 496 | int exit_status;
|
---|
[1765] | 497 | int global_status = 0;
|
---|
| 498 | int wait_flags = 0;
|
---|
[821] | 499 |
|
---|
[2725] | 500 | while ((exit_status = wait_one(wait_flags)) != -1) {
|
---|
| 501 | global_status |= exit_status;
|
---|
| 502 | wait_flags |= flags;
|
---|
[821] | 503 | }
|
---|
| 504 | return global_status;
|
---|
| 505 | }
|
---|
| 506 |
|
---|
| 507 | /*
|
---|
[1765] | 508 | * Execute a particular fsck program, and link it into the list of
|
---|
| 509 | * child processes we are waiting for.
|
---|
| 510 | */
|
---|
[2725] | 511 | static void execute(const char *type, const char *device,
|
---|
| 512 | const char *mntpt /*, int interactive */)
|
---|
[1765] | 513 | {
|
---|
| 514 | int i;
|
---|
| 515 | struct fsck_instance *inst;
|
---|
| 516 | pid_t pid;
|
---|
| 517 |
|
---|
[2725] | 518 | args[0] = xasprintf("fsck.%s", type);
|
---|
[1765] | 519 |
|
---|
| 520 | #if DO_PROGRESS_INDICATOR
|
---|
| 521 | if (progress && !progress_active()) {
|
---|
| 522 | if (strcmp(type, "ext2") == 0
|
---|
| 523 | || strcmp(type, "ext3") == 0
|
---|
| 524 | ) {
|
---|
[2725] | 525 | args[XXX] = xasprintf("-C%d", progress_fd); /* 1 */
|
---|
[1765] | 526 | inst->flags |= FLAG_PROGRESS;
|
---|
| 527 | }
|
---|
| 528 | }
|
---|
| 529 | #endif
|
---|
| 530 |
|
---|
[2725] | 531 | args[num_args - 2] = (char*)device;
|
---|
| 532 | /* args[num_args - 1] = NULL; - already is */
|
---|
[1765] | 533 |
|
---|
| 534 | if (verbose || noexecute) {
|
---|
[2725] | 535 | printf("[%s (%d) -- %s]", args[0], num_running,
|
---|
[1765] | 536 | mntpt ? mntpt : device);
|
---|
[2725] | 537 | for (i = 0; args[i]; i++)
|
---|
| 538 | printf(" %s", args[i]);
|
---|
| 539 | bb_putchar('\n');
|
---|
[1765] | 540 | }
|
---|
| 541 |
|
---|
| 542 | /* Fork and execute the correct program. */
|
---|
| 543 | pid = -1;
|
---|
| 544 | if (!noexecute) {
|
---|
[2725] | 545 | pid = spawn(args);
|
---|
[1765] | 546 | if (pid < 0)
|
---|
[2725] | 547 | bb_simple_perror_msg(args[0]);
|
---|
[1765] | 548 | }
|
---|
| 549 |
|
---|
[2725] | 550 | #if DO_PROGRESS_INDICATOR
|
---|
| 551 | free(args[XXX]);
|
---|
| 552 | #endif
|
---|
[1765] | 553 |
|
---|
[2725] | 554 | /* No child, so don't record an instance */
|
---|
| 555 | if (pid <= 0) {
|
---|
| 556 | free(args[0]);
|
---|
| 557 | return;
|
---|
| 558 | }
|
---|
| 559 |
|
---|
| 560 | inst = xzalloc(sizeof(*inst));
|
---|
[1765] | 561 | inst->pid = pid;
|
---|
[2725] | 562 | inst->prog = args[0];
|
---|
[1765] | 563 | inst->device = xstrdup(device);
|
---|
| 564 | inst->base_device = base_device(device);
|
---|
[2725] | 565 | #if DO_PROGRESS_INDICATOR
|
---|
[1765] | 566 | inst->start_time = time(NULL);
|
---|
[2725] | 567 | #endif
|
---|
[1765] | 568 |
|
---|
| 569 | /* Add to the list of running fsck's.
|
---|
| 570 | * (was adding to the end, but adding to the front is simpler...) */
|
---|
| 571 | inst->next = instance_list;
|
---|
| 572 | instance_list = inst;
|
---|
| 573 | }
|
---|
| 574 |
|
---|
| 575 | /*
|
---|
[821] | 576 | * Run the fsck program on a particular device
|
---|
| 577 | *
|
---|
| 578 | * If the type is specified using -t, and it isn't prefixed with "no"
|
---|
| 579 | * (as in "noext2") and only one filesystem type is specified, then
|
---|
| 580 | * use that type regardless of what is specified in /etc/fstab.
|
---|
| 581 | *
|
---|
| 582 | * If the type isn't specified by the user, then use either the type
|
---|
[1765] | 583 | * specified in /etc/fstab, or "auto".
|
---|
[821] | 584 | */
|
---|
[2725] | 585 | static void fsck_device(struct fs_info *fs /*, int interactive */)
|
---|
[821] | 586 | {
|
---|
| 587 | const char *type;
|
---|
| 588 |
|
---|
[1765] | 589 | if (strcmp(fs->type, "auto") != 0) {
|
---|
[821] | 590 | type = fs->type;
|
---|
[1765] | 591 | if (verbose > 2)
|
---|
| 592 | bb_info_msg("using filesystem type '%s' %s",
|
---|
| 593 | type, "from fstab");
|
---|
| 594 | } else if (fstype
|
---|
| 595 | && (fstype[0] != 'n' || fstype[1] != 'o') /* != "no" */
|
---|
| 596 | && strncmp(fstype, "opts=", 5) != 0
|
---|
| 597 | && strncmp(fstype, "loop", 4) != 0
|
---|
| 598 | && !strchr(fstype, ',')
|
---|
| 599 | ) {
|
---|
[821] | 600 | type = fstype;
|
---|
[1765] | 601 | if (verbose > 2)
|
---|
| 602 | bb_info_msg("using filesystem type '%s' %s",
|
---|
| 603 | type, "from -t");
|
---|
| 604 | } else {
|
---|
| 605 | type = "auto";
|
---|
| 606 | if (verbose > 2)
|
---|
| 607 | bb_info_msg("using filesystem type '%s' %s",
|
---|
| 608 | type, "(default)");
|
---|
| 609 | }
|
---|
[821] | 610 |
|
---|
| 611 | num_running++;
|
---|
[2725] | 612 | execute(type, fs->device, fs->mountpt /*, interactive */);
|
---|
[821] | 613 | }
|
---|
| 614 |
|
---|
| 615 | /*
|
---|
[1765] | 616 | * Returns TRUE if a partition on the same disk is already being
|
---|
| 617 | * checked.
|
---|
[821] | 618 | */
|
---|
[1765] | 619 | static int device_already_active(char *device)
|
---|
| 620 | {
|
---|
| 621 | struct fsck_instance *inst;
|
---|
| 622 | char *base;
|
---|
[821] | 623 |
|
---|
[1765] | 624 | if (force_all_parallel)
|
---|
| 625 | return 0;
|
---|
[821] | 626 |
|
---|
[1765] | 627 | #ifdef BASE_MD
|
---|
| 628 | /* Don't check a soft raid disk with any other disk */
|
---|
| 629 | if (instance_list
|
---|
| 630 | && (!strncmp(instance_list->device, BASE_MD, sizeof(BASE_MD)-1)
|
---|
| 631 | || !strncmp(device, BASE_MD, sizeof(BASE_MD)-1))
|
---|
| 632 | ) {
|
---|
| 633 | return 1;
|
---|
| 634 | }
|
---|
| 635 | #endif
|
---|
[821] | 636 |
|
---|
[1765] | 637 | base = base_device(device);
|
---|
| 638 | /*
|
---|
| 639 | * If we don't know the base device, assume that the device is
|
---|
| 640 | * already active if there are any fsck instances running.
|
---|
| 641 | */
|
---|
| 642 | if (!base)
|
---|
| 643 | return (instance_list != NULL);
|
---|
[821] | 644 |
|
---|
[1765] | 645 | for (inst = instance_list; inst; inst = inst->next) {
|
---|
| 646 | if (!inst->base_device || !strcmp(base, inst->base_device)) {
|
---|
| 647 | free(base);
|
---|
| 648 | return 1;
|
---|
[821] | 649 | }
|
---|
| 650 | }
|
---|
| 651 |
|
---|
[1765] | 652 | free(base);
|
---|
| 653 | return 0;
|
---|
[821] | 654 | }
|
---|
| 655 |
|
---|
| 656 | /*
|
---|
| 657 | * This function returns true if a particular option appears in a
|
---|
| 658 | * comma-delimited options list
|
---|
| 659 | */
|
---|
| 660 | static int opt_in_list(char *opt, char *optlist)
|
---|
| 661 | {
|
---|
[1765] | 662 | char *s;
|
---|
| 663 | int len;
|
---|
[821] | 664 |
|
---|
| 665 | if (!optlist)
|
---|
| 666 | return 0;
|
---|
| 667 |
|
---|
[1765] | 668 | len = strlen(opt);
|
---|
| 669 | s = optlist - 1;
|
---|
| 670 | while (1) {
|
---|
| 671 | s = strstr(s + 1, opt);
|
---|
| 672 | if (!s)
|
---|
| 673 | return 0;
|
---|
| 674 | /* neither "opt.." nor "xxx,opt.."? */
|
---|
| 675 | if (s != optlist && s[-1] != ',')
|
---|
| 676 | continue;
|
---|
| 677 | /* neither "..opt" nor "..opt,xxx"? */
|
---|
| 678 | if (s[len] != '\0' && s[len] != ',')
|
---|
| 679 | continue;
|
---|
| 680 | return 1;
|
---|
[821] | 681 | }
|
---|
| 682 | }
|
---|
| 683 |
|
---|
| 684 | /* See if the filesystem matches the criteria given by the -t option */
|
---|
[1765] | 685 | static int fs_match(struct fs_info *fs)
|
---|
[821] | 686 | {
|
---|
[1765] | 687 | int n, ret, checked_type;
|
---|
[821] | 688 | char *cp;
|
---|
| 689 |
|
---|
[1765] | 690 | if (!fs_type_list)
|
---|
[821] | 691 | return 1;
|
---|
| 692 |
|
---|
[1765] | 693 | ret = 0;
|
---|
| 694 | checked_type = 0;
|
---|
| 695 | n = 0;
|
---|
| 696 | while (1) {
|
---|
| 697 | cp = fs_type_list[n];
|
---|
| 698 | if (!cp)
|
---|
| 699 | break;
|
---|
| 700 | switch (fs_type_flag[n]) {
|
---|
| 701 | case FS_TYPE_FLAG_NORMAL:
|
---|
[821] | 702 | checked_type++;
|
---|
[1765] | 703 | if (strcmp(cp, fs->type) == 0)
|
---|
[821] | 704 | ret = 1;
|
---|
| 705 | break;
|
---|
[1765] | 706 | case FS_TYPE_FLAG_NEGOPT:
|
---|
[821] | 707 | if (opt_in_list(cp, fs->opts))
|
---|
| 708 | return 0;
|
---|
| 709 | break;
|
---|
[1765] | 710 | case FS_TYPE_FLAG_OPT:
|
---|
[821] | 711 | if (!opt_in_list(cp, fs->opts))
|
---|
| 712 | return 0;
|
---|
| 713 | break;
|
---|
| 714 | }
|
---|
[1765] | 715 | n++;
|
---|
[821] | 716 | }
|
---|
| 717 | if (checked_type == 0)
|
---|
| 718 | return 1;
|
---|
[1765] | 719 |
|
---|
| 720 | return (fs_type_negated ? !ret : ret);
|
---|
[821] | 721 | }
|
---|
| 722 |
|
---|
| 723 | /* Check if we should ignore this filesystem. */
|
---|
| 724 | static int ignore(struct fs_info *fs)
|
---|
| 725 | {
|
---|
| 726 | /*
|
---|
| 727 | * If the pass number is 0, ignore it.
|
---|
| 728 | */
|
---|
| 729 | if (fs->passno == 0)
|
---|
| 730 | return 1;
|
---|
| 731 |
|
---|
| 732 | /*
|
---|
| 733 | * If a specific fstype is specified, and it doesn't match,
|
---|
| 734 | * ignore it.
|
---|
| 735 | */
|
---|
[1765] | 736 | if (!fs_match(fs))
|
---|
| 737 | return 1;
|
---|
[821] | 738 |
|
---|
| 739 | /* Are we ignoring this type? */
|
---|
[1765] | 740 | if (index_in_strings(ignored_types, fs->type) >= 0)
|
---|
[821] | 741 | return 1;
|
---|
| 742 |
|
---|
| 743 | /* We can and want to check this file system type. */
|
---|
| 744 | return 0;
|
---|
| 745 | }
|
---|
| 746 |
|
---|
| 747 | /* Check all file systems, using the /etc/fstab table. */
|
---|
| 748 | static int check_all(void)
|
---|
| 749 | {
|
---|
[1765] | 750 | struct fs_info *fs;
|
---|
[821] | 751 | int status = EXIT_OK;
|
---|
[1765] | 752 | smallint not_done_yet;
|
---|
| 753 | smallint pass_done;
|
---|
| 754 | int passno;
|
---|
[821] | 755 |
|
---|
| 756 | if (verbose)
|
---|
[1765] | 757 | puts("Checking all filesystems");
|
---|
[821] | 758 |
|
---|
| 759 | /*
|
---|
| 760 | * Do an initial scan over the filesystem; mark filesystems
|
---|
| 761 | * which should be ignored as done, and resolve any "auto"
|
---|
| 762 | * filesystem types (done as a side-effect of calling ignore()).
|
---|
| 763 | */
|
---|
[2725] | 764 | for (fs = filesys_info; fs; fs = fs->next)
|
---|
[821] | 765 | if (ignore(fs))
|
---|
| 766 | fs->flags |= FLAG_DONE;
|
---|
| 767 |
|
---|
| 768 | /*
|
---|
| 769 | * Find and check the root filesystem.
|
---|
| 770 | */
|
---|
| 771 | if (!parallel_root) {
|
---|
| 772 | for (fs = filesys_info; fs; fs = fs->next) {
|
---|
[2725] | 773 | if (LONE_CHAR(fs->mountpt, '/')) {
|
---|
| 774 | if (!skip_root && !ignore(fs)) {
|
---|
| 775 | fsck_device(fs /*, 1*/);
|
---|
| 776 | status |= wait_many(FLAG_WAIT_ALL);
|
---|
| 777 | if (status > EXIT_NONDESTRUCT)
|
---|
| 778 | return status;
|
---|
| 779 | }
|
---|
| 780 | fs->flags |= FLAG_DONE;
|
---|
[821] | 781 | break;
|
---|
| 782 | }
|
---|
| 783 | }
|
---|
| 784 | }
|
---|
| 785 | /*
|
---|
[2725] | 786 | * This is for the bone-headed user who has root
|
---|
| 787 | * filesystem listed twice.
|
---|
| 788 | * "Skip root" will skip _all_ root entries.
|
---|
[821] | 789 | */
|
---|
| 790 | if (skip_root)
|
---|
| 791 | for (fs = filesys_info; fs; fs = fs->next)
|
---|
[1765] | 792 | if (LONE_CHAR(fs->mountpt, '/'))
|
---|
[821] | 793 | fs->flags |= FLAG_DONE;
|
---|
| 794 |
|
---|
[1765] | 795 | not_done_yet = 1;
|
---|
| 796 | passno = 1;
|
---|
[821] | 797 | while (not_done_yet) {
|
---|
| 798 | not_done_yet = 0;
|
---|
| 799 | pass_done = 1;
|
---|
| 800 |
|
---|
| 801 | for (fs = filesys_info; fs; fs = fs->next) {
|
---|
[2725] | 802 | if (bb_got_signal)
|
---|
[821] | 803 | break;
|
---|
| 804 | if (fs->flags & FLAG_DONE)
|
---|
| 805 | continue;
|
---|
| 806 | /*
|
---|
| 807 | * If the filesystem's pass number is higher
|
---|
[2725] | 808 | * than the current pass number, then we didn't
|
---|
[821] | 809 | * do it yet.
|
---|
| 810 | */
|
---|
| 811 | if (fs->passno > passno) {
|
---|
[1765] | 812 | not_done_yet = 1;
|
---|
[821] | 813 | continue;
|
---|
| 814 | }
|
---|
| 815 | /*
|
---|
| 816 | * If a filesystem on a particular device has
|
---|
| 817 | * already been spawned, then we need to defer
|
---|
| 818 | * this to another pass.
|
---|
| 819 | */
|
---|
| 820 | if (device_already_active(fs->device)) {
|
---|
| 821 | pass_done = 0;
|
---|
| 822 | continue;
|
---|
| 823 | }
|
---|
| 824 | /*
|
---|
| 825 | * Spawn off the fsck process
|
---|
| 826 | */
|
---|
[2725] | 827 | fsck_device(fs /*, serialize*/);
|
---|
[821] | 828 | fs->flags |= FLAG_DONE;
|
---|
| 829 |
|
---|
| 830 | /*
|
---|
| 831 | * Only do one filesystem at a time, or if we
|
---|
| 832 | * have a limit on the number of fsck's extant
|
---|
| 833 | * at one time, apply that limit.
|
---|
| 834 | */
|
---|
[1765] | 835 | if (serialize
|
---|
| 836 | || (max_running && (num_running >= max_running))
|
---|
| 837 | ) {
|
---|
[821] | 838 | pass_done = 0;
|
---|
| 839 | break;
|
---|
| 840 | }
|
---|
| 841 | }
|
---|
[2725] | 842 | if (bb_got_signal)
|
---|
[821] | 843 | break;
|
---|
| 844 | if (verbose > 1)
|
---|
| 845 | printf("--waiting-- (pass %d)\n", passno);
|
---|
| 846 | status |= wait_many(pass_done ? FLAG_WAIT_ALL :
|
---|
[3232] | 847 | FLAG_WAIT_ATLEAST_ONE);
|
---|
[821] | 848 | if (pass_done) {
|
---|
| 849 | if (verbose > 1)
|
---|
[1765] | 850 | puts("----------------------------------");
|
---|
[821] | 851 | passno++;
|
---|
| 852 | } else
|
---|
[1765] | 853 | not_done_yet = 1;
|
---|
[821] | 854 | }
|
---|
[2725] | 855 | kill_all_if_got_signal();
|
---|
[821] | 856 | status |= wait_many(FLAG_WAIT_ATLEAST_ONE);
|
---|
| 857 | return status;
|
---|
| 858 | }
|
---|
| 859 |
|
---|
[1765] | 860 | /*
|
---|
| 861 | * Deal with the fsck -t argument.
|
---|
| 862 | * Huh, for mount "-t novfat,nfs" means "neither vfat nor nfs"!
|
---|
| 863 | * Why here we require "-t novfat,nonfs" ??
|
---|
| 864 | */
|
---|
| 865 | static void compile_fs_type(char *fs_type)
|
---|
[821] | 866 | {
|
---|
[1765] | 867 | char *s;
|
---|
| 868 | int num = 2;
|
---|
| 869 | smallint negate;
|
---|
| 870 |
|
---|
[2725] | 871 | s = fs_type;
|
---|
| 872 | while ((s = strchr(s, ','))) {
|
---|
| 873 | num++;
|
---|
| 874 | s++;
|
---|
[1765] | 875 | }
|
---|
| 876 |
|
---|
| 877 | fs_type_list = xzalloc(num * sizeof(fs_type_list[0]));
|
---|
| 878 | fs_type_flag = xzalloc(num * sizeof(fs_type_flag[0]));
|
---|
| 879 | fs_type_negated = -1; /* not yet known is it negated or not */
|
---|
| 880 |
|
---|
| 881 | num = 0;
|
---|
| 882 | s = fs_type;
|
---|
| 883 | while (1) {
|
---|
| 884 | char *comma;
|
---|
| 885 |
|
---|
| 886 | negate = 0;
|
---|
| 887 | if (s[0] == 'n' && s[1] == 'o') { /* "no.." */
|
---|
| 888 | s += 2;
|
---|
| 889 | negate = 1;
|
---|
| 890 | } else if (s[0] == '!') {
|
---|
| 891 | s++;
|
---|
| 892 | negate = 1;
|
---|
| 893 | }
|
---|
| 894 |
|
---|
| 895 | if (strcmp(s, "loop") == 0)
|
---|
| 896 | /* loop is really short-hand for opts=loop */
|
---|
| 897 | goto loop_special_case;
|
---|
| 898 | if (strncmp(s, "opts=", 5) == 0) {
|
---|
| 899 | s += 5;
|
---|
| 900 | loop_special_case:
|
---|
| 901 | fs_type_flag[num] = negate ? FS_TYPE_FLAG_NEGOPT : FS_TYPE_FLAG_OPT;
|
---|
| 902 | } else {
|
---|
| 903 | if (fs_type_negated == -1)
|
---|
| 904 | fs_type_negated = negate;
|
---|
| 905 | if (fs_type_negated != negate)
|
---|
| 906 | bb_error_msg_and_die(
|
---|
| 907 | "either all or none of the filesystem types passed to -t must be prefixed "
|
---|
| 908 | "with 'no' or '!'");
|
---|
| 909 | }
|
---|
| 910 | comma = strchr(s, ',');
|
---|
| 911 | fs_type_list[num++] = comma ? xstrndup(s, comma-s) : xstrdup(s);
|
---|
| 912 | if (!comma)
|
---|
| 913 | break;
|
---|
| 914 | s = comma + 1;
|
---|
| 915 | }
|
---|
[821] | 916 | }
|
---|
| 917 |
|
---|
[2725] | 918 | static char **new_args(void)
|
---|
[821] | 919 | {
|
---|
[2725] | 920 | args = xrealloc_vector(args, 2, num_args);
|
---|
| 921 | return &args[num_args++];
|
---|
| 922 | }
|
---|
[821] | 923 |
|
---|
[2725] | 924 | int fsck_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
---|
| 925 | int fsck_main(int argc UNUSED_PARAM, char **argv)
|
---|
| 926 | {
|
---|
| 927 | int i, status;
|
---|
| 928 | /*int interactive;*/
|
---|
| 929 | struct fs_info *fs;
|
---|
| 930 | const char *fstab;
|
---|
| 931 | char *tmp;
|
---|
| 932 | char **devices;
|
---|
| 933 | int num_devices;
|
---|
| 934 | smallint opts_for_fsck;
|
---|
| 935 | smallint doall;
|
---|
| 936 | smallint notitle;
|
---|
| 937 |
|
---|
| 938 | /* we want wait() to be interruptible */
|
---|
| 939 | signal_no_SA_RESTART_empty_mask(SIGINT, record_signo);
|
---|
| 940 | signal_no_SA_RESTART_empty_mask(SIGTERM, record_signo);
|
---|
| 941 |
|
---|
| 942 | setbuf(stdout, NULL);
|
---|
| 943 |
|
---|
| 944 | opts_for_fsck = doall = notitle = 0;
|
---|
| 945 | devices = NULL;
|
---|
[821] | 946 | num_devices = 0;
|
---|
[2725] | 947 | new_args(); /* args[0] = NULL, will be replaced by fsck.<type> */
|
---|
| 948 | /* instance_list = NULL; - in bss, so already zeroed */
|
---|
[821] | 949 |
|
---|
[2725] | 950 | while (*++argv) {
|
---|
| 951 | int j;
|
---|
| 952 | int optpos;
|
---|
| 953 | char *options;
|
---|
| 954 | char *arg = *argv;
|
---|
[1765] | 955 |
|
---|
| 956 | /* "/dev/blk" or "/path" or "UUID=xxx" or "LABEL=xxx" */
|
---|
[821] | 957 | if ((arg[0] == '/' && !opts_for_fsck) || strchr(arg, '=')) {
|
---|
[1765] | 958 | // FIXME: must check that arg is a blkdev, or resolve
|
---|
| 959 | // "/path", "UUID=xxx" or "LABEL=xxx" into block device name
|
---|
| 960 | // ("UUID=xxx"/"LABEL=xxx" can probably shifted to fsck.auto duties)
|
---|
[2725] | 961 | devices = xrealloc_vector(devices, 2, num_devices);
|
---|
| 962 | devices[num_devices++] = arg;
|
---|
[821] | 963 | continue;
|
---|
| 964 | }
|
---|
[1765] | 965 |
|
---|
[821] | 966 | if (arg[0] != '-' || opts_for_fsck) {
|
---|
[2725] | 967 | *new_args() = arg;
|
---|
[821] | 968 | continue;
|
---|
| 969 | }
|
---|
[1765] | 970 |
|
---|
[2725] | 971 | if (LONE_CHAR(arg + 1, '-')) { /* "--" ? */
|
---|
| 972 | opts_for_fsck = 1;
|
---|
| 973 | continue;
|
---|
| 974 | }
|
---|
| 975 |
|
---|
| 976 | optpos = 0;
|
---|
| 977 | options = NULL;
|
---|
[1765] | 978 | for (j = 1; arg[j]; j++) {
|
---|
[821] | 979 | switch (arg[j]) {
|
---|
| 980 | case 'A':
|
---|
[1765] | 981 | doall = 1;
|
---|
[821] | 982 | break;
|
---|
[1765] | 983 | #if DO_PROGRESS_INDICATOR
|
---|
[821] | 984 | case 'C':
|
---|
[1765] | 985 | progress = 1;
|
---|
| 986 | if (arg[++j]) { /* -Cn */
|
---|
[2725] | 987 | progress_fd = xatoi_positive(&arg[j]);
|
---|
[1765] | 988 | goto next_arg;
|
---|
[821] | 989 | }
|
---|
[1765] | 990 | /* -C n */
|
---|
[2725] | 991 | if (!*++argv)
|
---|
| 992 | bb_show_usage();
|
---|
| 993 | progress_fd = xatoi_positive(*argv);
|
---|
[1765] | 994 | goto next_arg;
|
---|
| 995 | #endif
|
---|
[821] | 996 | case 'V':
|
---|
| 997 | verbose++;
|
---|
| 998 | break;
|
---|
| 999 | case 'N':
|
---|
[1765] | 1000 | noexecute = 1;
|
---|
[821] | 1001 | break;
|
---|
| 1002 | case 'R':
|
---|
[1765] | 1003 | skip_root = 1;
|
---|
[821] | 1004 | break;
|
---|
| 1005 | case 'T':
|
---|
[1765] | 1006 | notitle = 1;
|
---|
[821] | 1007 | break;
|
---|
[1765] | 1008 | /* case 'M':
|
---|
| 1009 | like_mount = 1;
|
---|
| 1010 | break; */
|
---|
[821] | 1011 | case 'P':
|
---|
[1765] | 1012 | parallel_root = 1;
|
---|
[821] | 1013 | break;
|
---|
| 1014 | case 's':
|
---|
[1765] | 1015 | serialize = 1;
|
---|
[821] | 1016 | break;
|
---|
| 1017 | case 't':
|
---|
| 1018 | if (fstype)
|
---|
| 1019 | bb_show_usage();
|
---|
[1765] | 1020 | if (arg[++j])
|
---|
| 1021 | tmp = &arg[j];
|
---|
[2725] | 1022 | else if (*++argv)
|
---|
| 1023 | tmp = *argv;
|
---|
[821] | 1024 | else
|
---|
| 1025 | bb_show_usage();
|
---|
[1765] | 1026 | fstype = xstrdup(tmp);
|
---|
| 1027 | compile_fs_type(fstype);
|
---|
[821] | 1028 | goto next_arg;
|
---|
| 1029 | case '?':
|
---|
| 1030 | bb_show_usage();
|
---|
| 1031 | break;
|
---|
| 1032 | default:
|
---|
[1765] | 1033 | optpos++;
|
---|
| 1034 | /* one extra for '\0' */
|
---|
| 1035 | options = xrealloc(options, optpos + 2);
|
---|
| 1036 | options[optpos] = arg[j];
|
---|
[821] | 1037 | break;
|
---|
| 1038 | }
|
---|
| 1039 | }
|
---|
[1765] | 1040 | next_arg:
|
---|
| 1041 | if (optpos) {
|
---|
[821] | 1042 | options[0] = '-';
|
---|
[1765] | 1043 | options[optpos + 1] = '\0';
|
---|
[2725] | 1044 | *new_args() = options;
|
---|
[821] | 1045 | }
|
---|
| 1046 | }
|
---|
| 1047 | if (getenv("FSCK_FORCE_ALL_PARALLEL"))
|
---|
[1765] | 1048 | force_all_parallel = 1;
|
---|
| 1049 | tmp = getenv("FSCK_MAX_INST");
|
---|
| 1050 | if (tmp)
|
---|
| 1051 | max_running = xatoi(tmp);
|
---|
[2725] | 1052 | new_args(); /* args[num_args - 2] will be replaced by <device> */
|
---|
| 1053 | new_args(); /* args[num_args - 1] is the last, NULL element */
|
---|
[821] | 1054 |
|
---|
| 1055 | if (!notitle)
|
---|
[1765] | 1056 | puts("fsck (busybox "BB_VER", "BB_BT")");
|
---|
[821] | 1057 |
|
---|
[1765] | 1058 | /* Even plain "fsck /dev/hda1" needs fstab to get fs type,
|
---|
| 1059 | * so we are scanning it anyway */
|
---|
[821] | 1060 | fstab = getenv("FSTAB_FILE");
|
---|
| 1061 | if (!fstab)
|
---|
[1765] | 1062 | fstab = "/etc/fstab";
|
---|
[821] | 1063 | load_fs_info(fstab);
|
---|
| 1064 |
|
---|
[2725] | 1065 | /*interactive = (num_devices == 1) | serialize;*/
|
---|
[821] | 1066 |
|
---|
[2725] | 1067 | if (num_devices == 0)
|
---|
| 1068 | /*interactive =*/ serialize = doall = 1;
|
---|
[821] | 1069 | if (doall)
|
---|
| 1070 | return check_all();
|
---|
| 1071 |
|
---|
[2725] | 1072 | status = 0;
|
---|
[1765] | 1073 | for (i = 0; i < num_devices; i++) {
|
---|
[2725] | 1074 | if (bb_got_signal) {
|
---|
| 1075 | kill_all_if_got_signal();
|
---|
[821] | 1076 | break;
|
---|
| 1077 | }
|
---|
[1765] | 1078 |
|
---|
[821] | 1079 | fs = lookup(devices[i]);
|
---|
[1765] | 1080 | if (!fs)
|
---|
[2725] | 1081 | fs = create_fs_device(devices[i], "", "auto", NULL, -1);
|
---|
| 1082 | fsck_device(fs /*, interactive */);
|
---|
[1765] | 1083 |
|
---|
| 1084 | if (serialize
|
---|
| 1085 | || (max_running && (num_running >= max_running))
|
---|
| 1086 | ) {
|
---|
[2725] | 1087 | int exit_status = wait_one(0);
|
---|
| 1088 | if (exit_status >= 0)
|
---|
| 1089 | status |= exit_status;
|
---|
[821] | 1090 | if (verbose > 1)
|
---|
[1765] | 1091 | puts("----------------------------------");
|
---|
[821] | 1092 | }
|
---|
| 1093 | }
|
---|
| 1094 | status |= wait_many(FLAG_WAIT_ALL);
|
---|
| 1095 | return status;
|
---|
| 1096 | }
|
---|