linux-kernel - Re: [PATCH] 9p: client: remove unused code and any reference to "cancelled" function

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Date:	Thu, 25 Jul 2013 10:57:38 +0200
From:	Andi Shyti <andi@...zian.org>
To:	davem@...emloft.net
Cc:	andi@...zian.org, dominique.martinet@....fr, pebolle@...cali.nl,
	lucho@...kov.net, ericvh@...il.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, v9fs-developer@...ts.sourceforge.net,
	rminnich@...dia.gov
Subject: Re: [PATCH] 9p: client: remove unused code and any reference to
 "cancelled" function

Hi David,

On Thu, Jul 25, 2013 at 10:54:24AM +0200, Andi Shyti wrote:
> This patch reverts commit
> 
> 80b45261a0b263536b043c5ccfc4ba4fc27c2acc
> 
> which was implementing a 'cancelled' functionality to notify that
> a cancelled request will not be replied.
> 
> This implementation was not used anywhere and therefore removed.

did you mean this?

> -	spin_lock(&c->lock);
>  	if (oldreq->status == REQ_STATUS_FLSH) {
> +		spin_lock(&c->lock);
>  		list_del(&oldreq->req_list);
>  		spin_unlock(&c->lock);
> -		if (c->trans_mod->cancelled)
> -			c->trans_mod->cancelled(c, req);

I just put the spin_lock inside the if statement, so that it
locks only if the statement it's true.

Andi
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