Messages in this thread | | | Date | Thu, 27 Apr 2006 14:32:57 -0400 | From | "Xin Zhao" <> | Subject | Why the RPC task structure adds a new field "tk_count"? |
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I migrate from 2.6.11 to 2.6.16, but found that a new field tk_count was added to the rpc task structure. In function rpc_release_task(), I saw the following code:
if (!atomic_dec_and_test(&task->tk_count)) return;
Looks like a task can be reused or refered multiple times? What's the theory behind this? Why do we need this?
Thanks,
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