[PATCH 01/10] btrfs-progs: Add support for freespace tree in btrfs_read_fs_root

[Nikolay Borisov]

For completeness sake add code to btrfs_read_fs_root so that it can
handle the freespace tree.

Signed-off-by: Nikolay Borisov <nbori...@suse.com>
---
 disk-io.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/disk-io.c b/disk-io.c
index 2e6d56a36af9..14f0fd5c2f0c 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -668,6 +668,9 @@ struct btrfs_root *btrfs_read_fs_root(struct btrfs_fs_info 
*fs_info,
        if (location->objectid == BTRFS_QUOTA_TREE_OBJECTID)
                return fs_info->quota_enabled ? fs_info->quota_root :
                                ERR_PTR(-ENOENT);
+       if (location->objectid == BTRFS_FREE_SPACE_TREE_OBJECTID)
+        return fs_info->free_space_root ? fs_info->free_space_root :
+                                                  ERR_PTR(-ENOENT);
 
        BUG_ON(location->objectid == BTRFS_TREE_RELOC_OBJECTID ||
               location->offset != (u64)-1);
-- 
2.7.4