Re: [PATCH 3/3] btrfs-progs: convert: report available space before convertion happens

[David Sterba <dsterba@suse.cz>]

On Wed, Jul 29, 2020 at 05:13:14PM +0800, Qu Wenruo wrote:
> >> +        cctx.free_bytes_initial * 100 / cctx.total_bytes);
> >>      memset(&mkfs_cfg, 0, sizeof(mkfs_cfg)); mkfs_cfg.csum_type =
> >>  csum_type; mkfs_cfg.label = cctx.volume_name;
> >> diff --git a/convert/source-fs.c b/convert/source-fs.c index
> >> f7fd3d6055b7..d2f7a825238d 100644 --- a/convert/source-fs.c +++
> >> b/convert/source-fs.c @@ -74,6 +74,7 @@ void
> >> init_convert_context(struct btrfs_convert_context *cctx)
> >>      cache_tree_init(&cctx->used_space);
> >>  cache_tree_init(&cctx->data_chunks);
> >>  cache_tree_init(&cctx->free_space);
> >> +    cache_tree_init(&cctx->free_space_initial);
> >>  }  void clean_convert_context(struct btrfs_convert_context
> >>  *cctx)
> > 
> > Did you forget the clean path? :)
> 
> Oh, thanks for that!
> Just forgot that.

Which I assume means

--- a/convert/source-fs.c
+++ b/convert/source-fs.c
@@ -82,6 +82,7 @@ void clean_convert_context(struct btrfs_convert_context *cctx)
        free_extent_cache_tree(&cctx->used_space);
        free_extent_cache_tree(&cctx->data_chunks);
        free_extent_cache_tree(&cctx->free_space);
+       free_extent_cache_tree(&cctx->free_space_initial);
 }
 
 int block_iterate_proc(u64 disk_block, u64 file_block,