SUNRPC: Clean up tk_pid allocation and make it lockless
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -25,7 +25,6 @@
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#ifdef RPC_DEBUG
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#define RPCDBG_FACILITY RPCDBG_SCHED
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#define RPC_TASK_MAGIC_ID 0xf00baa
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static int rpc_task_id;
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#endif
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/*
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@ -268,17 +267,26 @@ static int rpc_wait_bit_interruptible(void *word)
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return 0;
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}
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#ifdef RPC_DEBUG
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static void rpc_task_set_debuginfo(struct rpc_task *task)
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{
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static atomic_t rpc_pid;
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task->tk_magic = RPC_TASK_MAGIC_ID;
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task->tk_pid = atomic_inc_return(&rpc_pid);
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}
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#else
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static inline void rpc_task_set_debuginfo(struct rpc_task *task)
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{
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}
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#endif
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static void rpc_set_active(struct rpc_task *task)
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{
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struct rpc_clnt *clnt;
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if (test_and_set_bit(RPC_TASK_ACTIVE, &task->tk_runstate) != 0)
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return;
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#ifdef RPC_DEBUG
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task->tk_magic = RPC_TASK_MAGIC_ID;
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spin_lock(&rpc_sched_lock);
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task->tk_pid = rpc_task_id++;
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spin_unlock(&rpc_sched_lock);
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#endif
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rpc_task_set_debuginfo(task);
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/* Add to global list of all tasks */
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clnt = task->tk_client;
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if (clnt != NULL) {
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