sunrpc: if we're closing down a socket, clear memalloc on it first
We currently increment the memalloc_socks counter if we have a xprt that is associated with a swapfile. That socket can be replaced however during a reconnect event, and the memalloc_socks counter is never decremented if that occurs. When tearing down a xprt socket, check to see if the xprt is set up for swapping and sk_clear_memalloc before releasing the socket if so. Acked-by: Mel Gorman <mgorman@suse.de> Signed-off-by: Jeff Layton <jeff.layton@primarydata.com> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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@ -827,6 +827,9 @@ static void xs_reset_transport(struct sock_xprt *transport)
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if (sk == NULL)
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if (sk == NULL)
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return;
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return;
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if (atomic_read(&transport->xprt.swapper))
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sk_clear_memalloc(sk);
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write_lock_bh(&sk->sk_callback_lock);
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write_lock_bh(&sk->sk_callback_lock);
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transport->inet = NULL;
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transport->inet = NULL;
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transport->sock = NULL;
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transport->sock = NULL;
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