1 files changed, 7 insertions, 0 deletions

diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c
index 393e36bd5845..94e887f5ec4e 100644
--- a/fs/btrfs/free-space-tree.c
+++ b/fs/btrfs/free-space-tree.c
@@ -23,6 +23,7 @@
 #include "locking.h"
 #include "free-space-tree.h"
 #include "transaction.h"
+#include "sysfs.h"
 
 static int __add_block_group_free_space(struct btrfs_trans_handle *trans,
                                         struct btrfs_fs_info *fs_info,
@@ -1169,6 +1170,9 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info)
         }
 
         btrfs_set_fs_compat_ro(fs_info, FREE_SPACE_TREE);
+        btrfs_sysfs_feature_update(fs_info,
+                BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE, FEAT_COMPAT_RO);
+
         fs_info->creating_free_space_tree = 0;
 
         ret = btrfs_commit_transaction(trans, tree_root);
@@ -1237,6 +1241,9 @@ int btrfs_clear_free_space_tree(struct btrfs_fs_info *fs_info)
                 return PTR_ERR(trans);
 
         btrfs_clear_fs_compat_ro(fs_info, FREE_SPACE_TREE);
+        btrfs_sysfs_feature_update(fs_info,
+                BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE, FEAT_COMPAT_RO);
+
         fs_info->free_space_root = NULL;
 
         ret = clear_free_space_tree(trans, free_space_root);