We don't need to use bitfields for tree_block::level and
tree_block::key_ready, there's enough padding in the structure for
proper types.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
        }; /* Use rb_simple_node for search/insert */
        u64 owner;
        struct btrfs_key key;
-       unsigned int level:8;
-       unsigned int key_ready:1;
+       u8 level;
+       bool key_ready;
 };
 
 #define MAX_EXTENTS 128
        else
                btrfs_node_key_to_cpu(eb, &block->key, 0);
        free_extent_buffer(eb);
-       block->key_ready = 1;
+       block->key_ready = true;
        return 0;
 }
 
        block->key.objectid = rc->extent_root->fs_info->nodesize;
        block->key.offset = generation;
        block->level = level;
-       block->key_ready = 0;
+       block->key_ready = false;
        block->owner = owner;
 
        rb_node = rb_simple_insert(blocks, block->bytenr, &block->rb_node);