common: add _require_btrfs_free_space_tree

Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>

diff --git a/common/btrfs b/common/btrfs
index 9dd2a7f49e1621786b3cb7b7e6aa833984b60065..e1b29c61376712c8c303a3bd71a47793175c1e8d 100644 (file)
--- a/common/btrfs
+++ b/common/btrfs
@@ -127,6 +127,16 @@ _require_btrfs_no_nodatacow()
        fi
 }
 
+_require_btrfs_free_space_tree()
+{
+       _scratch_mkfs > /dev/null 2>&1
+       if ! $BTRFS_UTIL_PROG inspect-internal dump-super $SCRATCH_DEV | \
+               grep -q "FREE_SPACE_TREE"
+       then
+               _notrun "This test requires a free-space-tree"
+       fi
+}
+
 _check_btrfs_filesystem()
 {
        device=$1