Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: Why the RPC task structure adds a new field "tk_count"? | From | Trond Myklebust <> | Date | Thu, 27 Apr 2006 15:07:46 -0400 |
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On Thu, 2006-04-27 at 14:32 -0400, Xin Zhao wrote: > 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?
It is used in several places in the NFSv4 code.
Cheers, Trond
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