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IB/mlx5: Wait for all async command completions to complete
Wait before continuing unload till all pending mkey async creation requests
are done.
Fixes: e126ba97db
('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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parent
86695a6582
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acbda52388
@ -645,6 +645,33 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
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return 0;
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}
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static void wait_for_async_commands(struct mlx5_ib_dev *dev)
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{
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struct mlx5_mr_cache *cache = &dev->cache;
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struct mlx5_cache_ent *ent;
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int total = 0;
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int i;
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int j;
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for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++) {
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ent = &cache->ent[i];
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for (j = 0 ; j < 1000; j++) {
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if (!ent->pending)
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break;
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msleep(50);
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}
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}
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for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++) {
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ent = &cache->ent[i];
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total += ent->pending;
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}
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if (total)
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mlx5_ib_warn(dev, "aborted while there are %d pending mr requests\n", total);
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else
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mlx5_ib_warn(dev, "done with all pending requests\n");
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}
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int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev)
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{
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int i;
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@ -658,6 +685,7 @@ int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev)
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clean_keys(dev, i);
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destroy_workqueue(dev->cache.wq);
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wait_for_async_commands(dev);
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del_timer_sync(&dev->delay_timer);
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return 0;
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