bcachefs: Switch a BUG_ON() to a panic()

This assert is popping - rarely - in the CI, this will help us track it
down from the logs.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/btree_iter.c b/fs/bcachefs/btree_iter.c
index 3d138ae19469633ad81d727ef2f785c88a73132a..7bb7b5ffe001944747215ff6c4feaab54b70c02c 100644 (file)
--- a/fs/bcachefs/btree_iter.c
+++ b/fs/bcachefs/btree_iter.c
@@ -1174,7 +1174,10 @@ int bch2_btree_path_traverse_one(struct btree_trans *trans,
 
        path->uptodate = BTREE_ITER_UPTODATE;
 out:
-       BUG_ON(bch2_err_matches(ret, BCH_ERR_transaction_restart) != !!trans->restarted);
+       if (bch2_err_matches(ret, BCH_ERR_transaction_restart) != !!trans->restarted)
+               panic("ret %s (%i) trans->restarted %s (%i)\n",
+                     bch2_err_str(ret), ret,
+                     bch2_err_str(trans->restarted), trans->restarted);
        bch2_btree_path_verify(trans, path);
        return ret;
 }