Btrfs: prepare block group cache before writing

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / fs / btrfs / transaction.c

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 2fe3ef5..932709a 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1025,7 +1025,6 @@ static int update_cowonly_root(struct btrfs_trans_handle *trans,
        struct btrfs_root *tree_root = root->fs_info->tree_root;
 
        old_root_used = btrfs_root_used(&root->root_item);
-       btrfs_write_dirty_block_groups(trans, root);
 
        while (1) {
                old_root_bytenr = btrfs_root_bytenr(&root->root_item);
@@ -1085,6 +1084,10 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans,
        if (ret)
                return ret;
 
+       ret = btrfs_setup_space_cache(trans, root);
+       if (ret)
+               return ret;
+
        /* run_qgroups might have added some more refs */
        ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
        if (ret)