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SUNRPC: Partial revert of commit 168e4b39d1 

Partially revert commit (SUNRPC: add WARN_ON_ONCE for potential deadlock).
The looping behaviour has been tracked down to a knownn issue with
workqueues, and a workaround has now been implemented.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Weston Andros Adamson <dros@netapp.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Bruce Fields <bfields@fieldses.org>
Cc: stable@vger.kernel.org [>= 3.7]
This commit is contained in:
Trond Myklebust 2013-01-04 12:50:30 -05:00
parent 6db6dd7d3f
commit 360e1a5349
1 changed files with 0 additions and 5 deletions
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5
net/sunrpc/clnt.c
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@ -610,11 +610,6 @@ EXPORT_SYMBOL_GPL(rpc_killall_tasks);
*/
void rpc_shutdown_client(struct rpc_clnt *clnt)
{
/*
* To avoid deadlock, never call rpc_shutdown_client from a
* workqueue context!
*/
WARN_ON_ONCE(current->flags & PF_WQ_WORKER);
might_sleep();
dprintk_rcu("RPC: shutting down %s client for %s\n",