btrfs: remove useless WARN_ON in record_root_in_trans

We don't set SHAREABLE on the extent root, we don't need to have this
safety check here.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index cc83ae6..5eadb17 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -419,7 +419,6 @@ static int record_root_in_trans(struct btrfs_trans_handle *trans,
 
        if ((test_bit(BTRFS_ROOT_SHAREABLE, &root->state) &&
            root->last_trans < trans->transid) || force) {
-               WARN_ON(root == fs_info->_extent_root);
                WARN_ON(!force && root->commit_root != root->node);
 
                /*