diff options
| -rw-r--r-- | btrfs-convert.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/btrfs-convert.c b/btrfs-convert.c index beec5d7d..b18de59d 100644 --- a/btrfs-convert.c +++ b/btrfs-convert.c @@ -572,7 +572,11 @@ static int record_file_blocks(struct blk_iterate_data *data, BUG_ON(cur_off - key.offset >= extent_num_bytes); btrfs_release_path(path); - real_disk_bytenr = cur_off - key.offset + extent_disk_bytenr; + if (extent_disk_bytenr) + real_disk_bytenr = cur_off - key.offset + + extent_disk_bytenr; + else + real_disk_bytenr = 0; cur_len = min(key.offset + extent_num_bytes, old_disk_bytenr + num_bytes) - cur_off; ret = btrfs_record_file_extent(data->trans, data->root, |