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SUNRPC: Ensure we always run the tk_callback before tk_action
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 15 Mar 2011 23:56:30 +0000 (19:56 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Thu, 17 Mar 2011 16:38:41 +0000 (12:38 -0400)
This fixes a race in which the task->tk_callback() puts the rpc_task
to sleep, setting a new callback. Under certain circumstances, the current
code may end up executing the task->tk_action before it gets round to the
callback.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org

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