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, fsck, true);
  31         opt_set(opts, fix_errors, FSCK_OPT_ASK);
  32
  33         while ((opt = getopt(argc, argv, "apynfvh")) != -1)
  34                 switch (opt) {
  35                 case 'a': /* outdated alias for -p */
  36                 case 'p':
  37                         opt_set(opts, fix_errors, FSCK_OPT_YES);
  38                         break;
  39                 case 'y':
  40                         opt_set(opts, fix_errors, FSCK_OPT_YES);
  41                         break;
  42                 case 'n':
  43                         opt_set(opts, nochanges, true);
  44                         opt_set(opts, fix_errors, FSCK_OPT_NO);
  45                         break;
  46                 case 'f':
  47                         /* force check, even if filesystem marked clean: */
  48                         break;
  49                 case 'v':
  50                         opt_set(opts, verbose, true);
  51                         break;
  52                 case 'h':
  53                         usage();
  54                         exit(EXIT_SUCCESS);
  55                 }
  56         args_shift(optind);
  57
  58         if (!argc)
  59                 die("Please supply device(s) to check");
  60
  61         for (i = 0; i < argc; i++)
  62                 if (dev_mounted_rw(argv[i]))
  63                         die("%s is mounted read-write - aborting", argv[i]);
  64
  65         struct bch_fs *c = bch2_fs_open(argv, argc, opts);
  66         if (IS_ERR(c))
  67                 die("error opening %s: %s", argv[0], strerror(-PTR_ERR(c)));
  68
  69         if (test_bit(BCH_FS_ERRORS_FIXED, &c->flags))
  70                 ret = 2;
  71         if (test_bit(BCH_FS_ERROR, &c->flags))
  72                 ret = 4;
  73
  74         bch2_fs_stop(c);
  75         return ret;
  76 }