From: Aharon Landau <aharonl@xxxxxxxxxx>
When an ODP MR cache entry is empty and trying to allocate it, increment
the ent->miss counter and call to queue_adjust_cache_locked() to verify
the entry is balanced.
Fixes: aad719dcf379 ("RDMA/mlx5: Allow MRs to be created in the cache synchronously")
Signed-off-by: Aharon Landau <aharonl@xxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/mr.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index cd14d1b9dc1d..bce3cb6af524 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -577,6 +577,8 @@ struct mlx5_ib_mr *mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev,
ent = &cache->ent[entry];
spin_lock_irq(&ent->lock);
if (list_empty(&ent->head)) {
+ queue_adjust_cache_locked(ent);
+ ent->miss++;
spin_unlock_irq(&ent->lock);
mr = create_cache_mr(ent);
if (IS_ERR(mr))
--
2.35.1
