diff options
Diffstat (limited to 'btrfsck.c')
| -rw-r--r-- | btrfsck.c | 27 |
1 files changed, 22 insertions, 5 deletions
@@ -3171,6 +3171,7 @@ static void print_usage(void) static struct option long_options[] = { { "super", 1, NULL, 's' }, { "repair", 0, NULL, 0 }, + { "init-csum-tree", 0, NULL, 0 }, { 0, 0, 0, 0} }; @@ -3185,6 +3186,8 @@ int main(int ac, char **av) int num; int repair = 0; int option_index = 0; + int init_csum_tree = 0; + int rw = 0; while(1) { int c; @@ -3205,6 +3208,11 @@ int main(int ac, char **av) if (option_index == 1) { printf("enabling repair mode\n"); repair = 1; + rw = 1; + } else if (option_index == 2) { + printf("Creating a new CRC tree\n"); + init_csum_tree = 1; + rw = 1; } } @@ -3224,7 +3232,7 @@ int main(int ac, char **av) return -EBUSY; } - info = open_ctree_fs_info(av[optind], bytenr, repair, 1); + info = open_ctree_fs_info(av[optind], bytenr, rw, 1); if (info == NULL) return 1; @@ -3240,9 +3248,19 @@ int main(int ac, char **av) root = info->fs_root; fprintf(stderr, "checking extents\n"); - if (repair) + if (rw) trans = btrfs_start_transaction(root, 1); + if (init_csum_tree) { + fprintf(stderr, "Reinit crc root\n"); + ret = btrfs_fsck_reinit_root(trans, info->csum_root); + if (ret) { + fprintf(stderr, "crc root initialization failed\n"); + return -EIO; + } + goto out; + } + ret = check_extents(trans, root, repair); if (ret) goto out; @@ -3259,15 +3277,14 @@ int main(int ac, char **av) ret = check_root_refs(root, &root_cache); out: free_root_recs(&root_cache); - if (repair) { + if (rw) { ret = btrfs_commit_transaction(trans, root); if (ret) exit(1); } close_ctree(root); - if (found_old_backref) { - /* + if (found_old_backref) { /* * there was a disk format change when mixed * backref was in testing tree. The old format * existed about one week. |