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IB/mlx4: Adjust delayed work when a dup is observed
[ Upstream commit785167a114
] When scheduling delayed work to clean up the cache, if the entry already has been scheduled for deletion, we adjust the delay. Fixes:3cf69cc8db
("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>
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@ -307,6 +307,9 @@ static void schedule_delayed(struct ib_device *ibdev, struct id_map_entry *id)
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if (!sriov->is_going_down) {
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id->scheduled_delete = 1;
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schedule_delayed_work(&id->timeout, CM_CLEANUP_CACHE_TIMEOUT);
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} else if (id->scheduled_delete) {
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/* Adjust timeout if already scheduled */
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mod_delayed_work(system_wq, &id->timeout, CM_CLEANUP_CACHE_TIMEOUT);
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}
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spin_unlock_irqrestore(&sriov->going_down_lock, flags);
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spin_unlock(&sriov->id_map_lock);
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