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afs: Provide a function to get a ref on a call
Provide a function to get a reference on an afs_call struct. Signed-off-by: David Howells <dhowells@redhat.com>
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59d49076ae
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7a75b0079a
1 changed files with 12 additions and 6 deletions
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@ -203,20 +203,26 @@ void afs_put_call(struct afs_call *call)
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}
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}
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static struct afs_call *afs_get_call(struct afs_call *call,
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enum afs_call_trace why)
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{
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int u = atomic_inc_return(&call->usage);
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trace_afs_call(call, why, u,
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atomic_read(&call->net->nr_outstanding_calls),
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__builtin_return_address(0));
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return call;
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}
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/*
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* Queue the call for actual work.
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*/
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static void afs_queue_call_work(struct afs_call *call)
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{
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if (call->type->work) {
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int u = atomic_inc_return(&call->usage);
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trace_afs_call(call, afs_call_trace_work, u,
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atomic_read(&call->net->nr_outstanding_calls),
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__builtin_return_address(0));
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INIT_WORK(&call->work, call->type->work);
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afs_get_call(call, afs_call_trace_work);
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if (!queue_work(afs_wq, &call->work))
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afs_put_call(call);
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}
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