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IPoIB: Avoid flushing the driver workqueue on dev_down 

The driver should not flush the whole workqueue when only one work (the
pkey poll one) needs to be cancelled.  Use cancel_delayed_work_sync()
instead.

Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Erez Shitrit 2013-10-16 17:37:50 +03:00 committed by Roland Dreier
parent f47944cc2d
commit aede25011f
1 changed files with 1 additions and 3 deletions
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4
drivers/infiniband/ulp/ipoib/ipoib_ib.c
View File

@ -749,10 +749,8 @@ int ipoib_ib_dev_down(struct net_device *dev, int flush)
if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) { if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) {
mutex_lock(&pkey_mutex); mutex_lock(&pkey_mutex);
set_bit(IPOIB_PKEY_STOP, &priv->flags); set_bit(IPOIB_PKEY_STOP, &priv->flags);
cancel_delayed_work(&priv->pkey_poll_task); cancel_delayed_work_sync(&priv->pkey_poll_task);
mutex_unlock(&pkey_mutex); mutex_unlock(&pkey_mutex);
if (flush)
flush_workqueue(ipoib_workqueue);
} }
ipoib_mcast_stop_thread(dev, flush); ipoib_mcast_stop_thread(dev, flush);