4 #include "libbcachefs/error.h"
5 #include "libbcachefs.h"
6 #include "libbcachefs/super.h"
7 #include "tools-util.h"
9 static void usage(void)
11 puts("bcachefs fsck - filesystem check and repair\n"
12 "Usage: bcachefs fsck [OPTION]... <devices>\n"
15 " -p Automatic repair (no questions)\n"
16 " -n Don't repair, only check for errors\n"
17 " -y Assume \"yes\" to all questions\n"
18 " -f Force checking even if filesystem is marked clean\n"
19 " -r, --ratelimit_errors Don't display more than 10 errors of a given type\n"
20 " -R, --reconstruct_alloc Reconstruct the alloc btree\n"
22 " -h, --help Display this help and exit\n"
23 "Report bugs to <linux-bcachefs@vger.kernel.org>");
26 int cmd_fsck(int argc, char *argv[])
28 static const struct option longopts[] = {
29 { "ratelimit_errors", no_argument, NULL, 'r' },
30 { "reconstruct_alloc", no_argument, NULL, 'R' },
31 { "help", no_argument, NULL, 'h' },
34 struct bch_opts opts = bch2_opts_empty();
38 opt_set(opts, degraded, true);
39 opt_set(opts, fsck, true);
40 opt_set(opts, fix_errors, FSCK_OPT_ASK);
42 while ((opt = getopt_long(argc, argv,
44 longopts, NULL)) != -1)
46 case 'a': /* outdated alias for -p */
48 opt_set(opts, fix_errors, FSCK_OPT_YES);
51 opt_set(opts, fix_errors, FSCK_OPT_YES);
54 opt_set(opts, nochanges, true);
55 opt_set(opts, fix_errors, FSCK_OPT_NO);
58 /* force check, even if filesystem marked clean: */
61 ret = bch2_parse_mount_opts(NULL, &opts, optarg);
66 opt_set(opts, ratelimit_errors, true);
69 opt_set(opts, reconstruct_alloc, true);
72 opt_set(opts, verbose, true);
81 fprintf(stderr, "Please supply device(s) to check\n");
85 for (i = 0; i < argc; i++) {
86 switch (dev_mounted(argv[i])) {
91 fprintf(stderr, "%s is mounted read-write - aborting\n", argv[i]);
96 struct bch_fs *c = bch2_fs_open(argv, argc, opts);
98 fprintf(stderr, "error opening %s: %s\n", argv[0], bch2_err_str(PTR_ERR(c)));
102 if (test_bit(BCH_FS_ERRORS_FIXED, &c->flags)) {
103 fprintf(stderr, "%s: errors fixed\n", c->name);
106 if (test_bit(BCH_FS_ERROR, &c->flags)) {
107 fprintf(stderr, "%s: still has errors\n", c->name);