From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757344AbaEITMt (ORCPT ); Fri, 9 May 2014 15:12:49 -0400 Received: from mail-qc0-f169.google.com ([209.85.216.169]:54791 "EHLO mail-qc0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757303AbaEITMl (ORCPT ); Fri, 9 May 2014 15:12:41 -0400 Date: Fri, 9 May 2014 15:12:38 -0400 From: Tejun Heo To: linux-kernel@vger.kernel.org, Kent Overstreet Subject: Re: [PATCH percpu/for-3.16 2/2] percpu-refcount: implement percpu_ref_tryget() Message-ID: <20140509191238.GB4486@htj.dyndns.org> References: <20140507155511.GB26540@htj.dyndns.org> <20140507155647.GC26540@htj.dyndns.org> <20140507155810.GD26540@htj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140507155810.GD26540@htj.dyndns.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 07, 2014 at 11:58:10AM -0400, Tejun Heo wrote: > Implement percpu_ref_tryget() which fails if the refcnt already > reached zero. Note that this is different from the recently renamed > percpu_ref_tryget_live() which fails if the refcnt has been killed and > is draining the remaining references. percpu_ref_tryget() succeeds on > a killed refcnt as long as its current refcnt is above zero. > > Signed-off-by: Tejun Heo > Cc: Kent Overstreet Applying 1-2 to percpu/for-3.16. Thanks. -- tejun