For completeness sake add code to btrfs_read_fs_root so that it can handle the freespace tree. Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx> --- 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
