git.sesse.net Git - bcachefs-tools-debian/blob - cmd_fsck.c

   1
   2 #include "cmds.h"
   3 #include "libbcachefs/error.h"
   4 #include "libbcachefs.h"
   5 #include "libbcachefs/super.h"
   6 #include "tools-util.h"
   7
   8 static void usage(void)
   9 {
  10         puts("bcachefs fsck - filesystem check and repair\n"
  11              "Usage: bcachefs fsck [OPTION]... <devices>\n"
  12              "\n"
  13              "Options:\n"
  14              "  -p     Automatic repair (no questions)\n"
  15              "  -n     Don't repair, only check for errors\n"
  16              "  -y     Assume \"yes\" to all questions\n"
  17              "  -f     Force checking even if filesystem is marked clean\n"
  18              "  -v     Be verbose\n"
  19              " --h     Display this help and exit\n"
  20              "Report bugs to <linux-bcache@vger.kernel.org>");
  21 }
  22
  23 int cmd_fsck(int argc, char *argv[])
  24 {
  25         struct bch_opts opts = bch2_opts_empty();
  26         unsigned i;
  27         int opt, ret = 0;
  28
  29         opt_set(opts, degraded, true);
  30         opt_set(opts, fix_errors, FSCK_OPT_ASK);
  31
  32         while ((opt = getopt(argc, argv, "apynfvh")) != -1)
  33                 switch (opt) {
  34                 case 'a': /* outdated alias for -p */
  35                 case 'p':
  36                         opt_set(opts, fix_errors, FSCK_OPT_YES);
  37                         break;
  38                 case 'y':
  39                         opt_set(opts, fix_errors, FSCK_OPT_YES);
  40                         break;
  41                 case 'n':
  42                         opt_set(opts, nochanges, true);
  43                         opt_set(opts, fix_errors, FSCK_OPT_NO);
  44                         break;
  45                 case 'f':
  46                         /* force check, even if filesystem marked clean: */
  47                         break;
  48                 case 'v':
  49                         opt_set(opts, verbose, true);
  50                         break;
  51                 case 'h':
  52                         usage();
  53                         exit(EXIT_SUCCESS);
  54                 }
  55         args_shift(optind);
  56
  57         if (!argc)
  58                 die("Please supply device(s) to check");
  59
  60         for (i = 0; i < argc; i++)
  61                 if (dev_mounted_rw(argv[i]))
  62                         die("%s is mounted read-write - aborting", argv[i]);
  63
  64         struct bch_fs *c = bch2_fs_open(argv, argc, opts);
  65         if (IS_ERR(c))
  66                 die("error opening %s: %s", argv[0], strerror(-PTR_ERR(c)));
  67
  68         if (test_bit(BCH_FS_FSCK_FIXED_ERRORS, &c->flags))
  69                 ret = 2;
  70         if (test_bit(BCH_FS_FSCK_UNFIXED_ERRORS, &c->flags))
  71                 ret = 4;
  72
  73         bch2_fs_stop(c);
  74         return ret;
  75 }