btrfs-progs: remove dead block group checking

Don't carry around dead code.  If its needed again, it's only a few git
commands away.  This was found by static analysis.

Signed-off-by: Zach Brown <zab@redhat.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/cmds-check.c b/cmds-check.c
index ee0abfd..d353571 100644 (file)
--- a/cmds-check.c
+++ b/cmds-check.c
@@ -5003,55 +5003,6 @@ static void free_corrupt_block(struct cache_extent *cache)
 
 FREE_EXTENT_CACHE_BASED_TREE(corrupt_blocks, free_corrupt_block);
 
-static int check_block_group(struct btrfs_trans_handle *trans,
-                             struct btrfs_fs_info *info,
-                             struct map_lookup *map,
-                             int *reinit)
-{
-       struct btrfs_key key;
-       struct btrfs_path path;
-       int ret;
-
-       key.objectid = map->ce.start;
-       key.offset = map->ce.size;
-       key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
-
-       btrfs_init_path(&path);
-       ret = btrfs_search_slot(NULL, info->extent_root,
-                               &key, &path, 0, 0);
-       btrfs_release_path(&path);
-       if (ret <= 0)
-               goto out;
-
-       ret = btrfs_make_block_group(trans, info->extent_root, 0, map->type,
-                              BTRFS_FIRST_CHUNK_TREE_OBJECTID,
-                              key.objectid, key.offset);
-       *reinit = 1;
-out:
-       return ret;
-}
-
-static int check_block_groups(struct btrfs_trans_handle *trans,
-                             struct btrfs_fs_info *info, int *reinit)
-{
-       struct cache_extent *ce;
-       struct map_lookup *map;
-       struct btrfs_mapping_tree *map_tree = &info->mapping_tree;
-
-       /* this isn't quite working */
-       return 0;
-
-       ce = search_cache_extent(&map_tree->cache_tree, 0);
-       while (1) {
-               if (!ce)
-                       break;
-               map = container_of(ce, struct map_lookup, ce);
-               check_block_group(trans, info, map, reinit);
-               ce = next_cache_extent(ce);
-       }
-       return 0;
-}
-
 static void reset_cached_block_groups(struct btrfs_fs_info *fs_info)
 {
        struct btrfs_block_group_cache *cache;
@@ -5113,7 +5064,6 @@ static int check_extent_refs(struct btrfs_trans_handle *trans,
                        cache = next_cache_extent(cache);
                }
                prune_corrupt_blocks(trans, root->fs_info);
-               check_block_groups(trans, root->fs_info, &reinit);
                if (reinit)
                        btrfs_read_block_groups(root->fs_info->extent_root);
                reset_cached_block_groups(root->fs_info);