diff options
| -rw-r--r-- | volumes.c | 16 |
1 files changed, 14 insertions, 2 deletions
@@ -1136,8 +1136,20 @@ int btrfs_num_copies(struct btrfs_mapping_tree *map_tree, u64 logical, u64 len) int ret; ce = search_cache_extent(&map_tree->cache_tree, logical); - BUG_ON(!ce); - BUG_ON(ce->start > logical || ce->start + ce->size < logical); + if (!ce) { + fprintf(stderr, "No mapping for %llu-%llu\n", + (unsigned long long)logical, + (unsigned long long)logical+len); + return 1; + } + if (ce->start > logical || ce->start + ce->size < logical) { + fprintf(stderr, "Invalid mapping for %llu-%llu, got " + "%llu-%llu\n", (unsigned long long)logical, + (unsigned long long)logical+len, + (unsigned long long)ce->start, + (unsigned long long)ce->start + ce->size); + return 1; + } map = container_of(ce, struct map_lookup, ce); if (map->type & (BTRFS_BLOCK_GROUP_DUP | BTRFS_BLOCK_GROUP_RAID1)) |