bcachefs: fix ref leak in btree_node_read_all_replicas

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

diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index 1d94a2bf706de9477151d29de62bf20a4e39ec56..871f3f46a0c2a4ca638517c08aae1d2c13da0081 100644 (file)
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -1609,6 +1609,7 @@ static void btree_node_read_all_replicas_endio(struct bio *bio)
                struct bch_dev *ca = bch2_dev_have_ref(c, rb->pick.ptr.dev);
 
                bch2_latency_acct(ca, rb->start_time, READ);
+               percpu_ref_put(&ca->io_ref);
        }
 
        ra->err[rb->idx] = bio->bi_status;