btrfs-progs: disk-io: Support commit transaction on chunk tree

As chunk tree is only stored in super block, chunk tree commit doesn't
need to go through tree root update.
Or a BUG_ON will be triggered.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/disk-io.c b/disk-io.c
index 6a53843..fdcfd6d 100644 (file)
--- a/disk-io.c
+++ b/disk-io.c
@@ -571,6 +571,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
                goto commit_tree;
        if (root == root->fs_info->tree_root)
                goto commit_tree;
+       if (root == root->fs_info->chunk_root)
+               goto commit_tree;
 
        free_extent_buffer(root->commit_root);
        root->commit_root = NULL;