diff options
| -rw-r--r-- | btrfs-map-logical.c | 12 | ||||
| -rw-r--r-- | extent_io.c | 4 |
2 files changed, 14 insertions, 2 deletions
diff --git a/btrfs-map-logical.c b/btrfs-map-logical.c index 6b475fc6..47d1104d 100644 --- a/btrfs-map-logical.c +++ b/btrfs-map-logical.c @@ -76,8 +76,18 @@ static struct extent_buffer * debug_read_block(struct btrfs_root *root, (unsigned long long)eb->dev_bytenr, device->name); kfree(multi); - if (!copy || mirror_num == copy) + if (!copy || mirror_num == copy) { ret = read_extent_from_disk(eb, 0, eb->len); + if (ret) { + fprintf(info_file, + "Error: failed to read extent: mirror %d logical %llu: %s\n", + mirror_num, (unsigned long long)eb->start, + strerror(-ret)); + free_extent_buffer(eb); + eb = NULL; + break; + } + } num_copies = btrfs_num_copies(&root->fs_info->mapping_tree, eb->start, eb->len); diff --git a/extent_io.c b/extent_io.c index de9e0ecc..9c982f9a 100644 --- a/extent_io.c +++ b/extent_io.c @@ -666,8 +666,10 @@ int read_extent_from_disk(struct extent_buffer *eb, { int ret; ret = pread(eb->fd, eb->data + offset, len, eb->dev_bytenr); - if (ret < 0) + if (ret < 0) { + ret = -errno; goto out; + } if (ret != len) { ret = -EIO; goto out; |