diff options
| -rw-r--r-- | btrfs-map-logical.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/btrfs-map-logical.c b/btrfs-map-logical.c index b9635f77..fce65047 100644 --- a/btrfs-map-logical.c +++ b/btrfs-map-logical.c @@ -57,7 +57,14 @@ struct extent_buffer *debug_read_block(struct btrfs_root *root, u64 bytenr, ret = btrfs_map_block(&root->fs_info->mapping_tree, READ, eb->start, &length, &multi, mirror_num, NULL); - BUG_ON(ret); + if (ret) { + fprintf(info_file, + "Error: fails to map mirror%d logical %llu: %s\n", + mirror_num, (unsigned long long)eb->start, + strerror(-ret)); + free_extent_buffer(eb); + return NULL; + } device = multi->stripes[0].dev; eb->fd = device->fd; device->total_ios++; |