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RDMA/mlx5: Don't remove cache MRs when a delay is needed

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Don't remove MRs from the cache if need to delay the removal.

Fixes: b9358bdbc7 ("RDMA/mlx5: Fix locking in MR cache work queue")
Link: https://lore.kernel.org/r/c3087a90ff362c8796c7eaa2715128743ce36722.1649062436.git.leonro@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Aharon Landau 2022-04-04 11:58:03 +03:00 committed by Jason Gunthorpe
parent abcc160e4c
commit 84c2362fb6
1 changed files with 3 additions and 1 deletions
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4
drivers/infiniband/hw/mlx5/mr.c
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@ -574,8 +574,10 @@ 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);
goto out;
}
remove_cache_mr_locked(ent);
queue_adjust_cache_locked(ent);
}