NLM: tear down RPC clients in nlm_shutdown_hosts
It's possible for a RPC to outlive the lockd daemon that created it, so we need to make sure that all RPC's are killed when lockd is coming down. When nlm_shutdown_hosts is called, kill off all RPC tasks associated with the host. Since we need to wait until they have all gone away, we might as well just shut down the RPC client altogether. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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@ -379,8 +379,13 @@ nlm_shutdown_hosts(void)
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/* First, make all hosts eligible for gc */
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dprintk("lockd: nuking all hosts...\n");
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for (chain = nlm_hosts; chain < nlm_hosts + NLM_HOST_NRHASH; ++chain) {
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hlist_for_each_entry(host, pos, chain, h_hash)
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hlist_for_each_entry(host, pos, chain, h_hash) {
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host->h_expires = jiffies - 1;
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if (host->h_rpcclnt) {
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rpc_shutdown_client(host->h_rpcclnt);
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host->h_rpcclnt = NULL;
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}
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}
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}
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/* Then, perform a garbage collection pass */
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