diff options
| -rw-r--r-- | disk-io.c | 1 | ||||
| -rw-r--r-- | volumes.c | 15 |
2 files changed, 14 insertions, 2 deletions
@@ -204,6 +204,7 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, eb->dev_bytenr = multi->stripes[0].physical; kfree(multi); ret = read_extent_from_disk(eb); + if (ret == 0 && check_tree_block(root, eb) == 0 && csum_tree_block(root, eb, 1) == 0 && verify_parent_transid(eb->tree, eb, parent_transid) == 0) { @@ -1159,6 +1159,16 @@ int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset) return readonly; } +static struct btrfs_device *fill_missing_device(u64 devid) +{ + struct btrfs_device *device; + + device = kzalloc(sizeof(*device), GFP_NOFS); + device->devid = devid; + device->fd = -1; + return device; +} + static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key, struct extent_buffer *leaf, struct btrfs_chunk *chunk) @@ -1209,8 +1219,9 @@ static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key, map->stripes[i].dev = btrfs_find_device(root, devid, uuid, NULL); if (!map->stripes[i].dev) { - kfree(map); - return -EIO; + map->stripes[i].dev = fill_missing_device(devid); + printf("warning, device %llu is missing\n", + (unsigned long long)devid); } } |