diff options
Diffstat (limited to 'libbcachefs/btree_iter.c')
| -rw-r--r-- | libbcachefs/btree_iter.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libbcachefs/btree_iter.c b/libbcachefs/btree_iter.c index e5da186b..ecad24fa 100644 --- a/libbcachefs/btree_iter.c +++ b/libbcachefs/btree_iter.c @@ -704,8 +704,12 @@ static void btree_iter_prefetch(struct btree_iter *iter) struct bkey_packed *k; BKEY_PADDED(k) tmp; unsigned nr = iter->level ? 1 : 8; + bool was_locked = btree_node_locked(iter, iter->level + 1); while (nr) { + if (!bch2_btree_node_relock(iter, iter->level + 1)) + return; + bch2_btree_node_iter_advance(&node_iter, b); k = bch2_btree_node_iter_peek(&node_iter, b); if (!k) @@ -714,6 +718,9 @@ static void btree_iter_prefetch(struct btree_iter *iter) bch2_bkey_unpack(b, &tmp.k, k); bch2_btree_node_prefetch(iter, &tmp.k, iter->level); } + + if (!was_locked) + btree_node_unlock(iter, iter->level + 1); } static inline int btree_iter_down(struct btree_iter *iter) |