btrfs-progs: add a recovery utility to pull files from damanged filesystems

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/volumes.h b/volumes.h
index 93b0e48..7104d36 100644
--- a/volumes.h
+++ b/volumes.h
@@ -96,9 +96,14 @@ int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans,
 			   u64 chunk_tree, u64 chunk_objectid,
 			   u64 chunk_offset,
 			   u64 num_bytes, u64 *start);
+int __btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw,
+		      u64 logical, u64 *length, u64 *type,
+		      struct btrfs_multi_bio **multi_ret, int mirror_num);
 int btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw,
 		    u64 logical, u64 *length,
 		    struct btrfs_multi_bio **multi_ret, int mirror_num);
+int btrfs_next_metadata(struct btrfs_mapping_tree *map_tree, u64 *logical,
+			u64 *size);
 int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree,
 		     u64 chunk_start, u64 physical, u64 devid,
 		     u64 **logical, int *naddrs, int *stripe_len);