From: Aharon Landau <aharonl@xxxxxxxxxx>
Don't remove MRs from the cache if need to delay the removal.
Fixes: b9358bdbc713 ("RDMA/mlx5: Fix locking in MR cache work queue")
Signed-off-by: Aharon Landau <aharonl@xxxxxxxxxx>
Reviewed-by: Shay Drory <shayd@xxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/mr.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 8a87a2f074e4..4a01a0ad7c90 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -562,9 +562,10 @@ static void __cache_work_func(struct mlx5_cache_ent *ent)
spin_lock_irq(&ent->lock);
if (ent->disabled)
goto out;
- if (need_delay)
+ if (need_delay) {
queue_delayed_work(cache->wq, &ent->dwork, 300 * HZ);
- remove_cache_mr_locked(ent);
+ goto out;
+ }
queue_adjust_cache_locked(ent);
}
out:
--
2.35.1
