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NLM: tear down RPC clients in nlm_shutdown_hosts

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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>
This commit is contained in:
Jeff Layton 2008-01-29 10:30:55 -05:00 committed by J. Bruce Fields
parent 0113ab3464
commit d801b86168
1 changed files with 6 additions and 1 deletions
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7
fs/lockd/host.c
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@ -379,8 +379,13 @@ nlm_shutdown_hosts(void)
/* First, make all hosts eligible for gc */
dprintk("lockd: nuking all hosts...\n");
for (chain = nlm_hosts; chain < nlm_hosts + NLM_HOST_NRHASH; ++chain) {
hlist_for_each_entry(host, pos, chain, h_hash)
hlist_for_each_entry(host, pos, chain, h_hash) {
host->h_expires = jiffies - 1;
if (host->h_rpcclnt) {
rpc_shutdown_client(host->h_rpcclnt);
host->h_rpcclnt = NULL;
}
}
}
/* Then, perform a garbage collection pass */