From: Håkon Bugge haakon.bugge@oracle.com
[ Upstream commit 785167a114855c5aa75efca97000e405c2cc85bf ]
When scheduling delayed work to clean up the cache, if the entry already has been scheduled for deletion, we adjust the delay.
Fixes: 3cf69cc8dbeb ("IB/mlx4: Add CM paravirtualization") Link: https://lore.kernel.org/r/20200803061941.1139994-7-haakon.bugge@oracle.com Signed-off-by: Håkon Bugge haakon.bugge@oracle.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/mlx4/cm.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c index b591861934b3c..81d6a3460b55d 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -280,6 +280,9 @@ static void schedule_delayed(struct ib_device *ibdev, struct id_map_entry *id) if (!sriov->is_going_down && !id->scheduled_delete) { id->scheduled_delete = 1; schedule_delayed_work(&id->timeout, CM_CLEANUP_CACHE_TIMEOUT); + } else if (id->scheduled_delete) { + /* Adjust timeout if already scheduled */ + mod_delayed_work(system_wq, &id->timeout, CM_CLEANUP_CACHE_TIMEOUT); } spin_unlock_irqrestore(&sriov->going_down_lock, flags); spin_unlock(&sriov->id_map_lock);