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bcachefs: Set path->uptodate when no node at level 

We were failing to set path->uptodate when reaching the end of a btree
node iterator, causing the new prefetch code for backpointers gc to go
into an infinite loop.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-01-24 16:32:12 -05:00
parent 94817db956
commit fadc6067f2
1 changed files with 2 additions and 2 deletions
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4
fs/bcachefs/btree_iter.c
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@ -1146,7 +1146,7 @@ int bch2_btree_path_traverse_one(struct btree_trans *trans,
path = &trans->paths[path_idx];
if (unlikely(path->level >= BTREE_MAX_DEPTH))
goto out;
goto out_uptodate;
path->level = btree_path_up_until_good_node(trans, path, 0);
@ -1179,7 +1179,7 @@ int bch2_btree_path_traverse_one(struct btree_trans *trans,
goto out;
}
}
out_uptodate:
path->uptodate = BTREE_ITER_UPTODATE;
out:
if (bch2_err_matches(ret, BCH_ERR_transaction_restart) != !!trans->restarted)