From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751550AbWDZDEX (ORCPT ); Tue, 25 Apr 2006 23:04:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751545AbWDZDEX (ORCPT ); Tue, 25 Apr 2006 23:04:23 -0400 Received: from smtp101.mail.mud.yahoo.com ([209.191.85.211]:6837 "HELO smtp101.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S1751385AbWDZDEX (ORCPT ); Tue, 25 Apr 2006 23:04:23 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:Message-ID:Date:From:User-Agent:X-Accept-Language:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=MKgKS2xWdvr5jZhMbOfxQLOqMd2cvPSOL/3EuXvXC1mn3TedL5WQQW0Bf5b7E9fintrKB5Q8h33U/C1A7X6a1nK6i4RqoEpLILCjYLMgMvHn8z6KXVQTo6F9LQAY+Tef5jxy579vJ5IQWYRXKQhXDhquDYkiYbye347nsco2f1o= ; Message-ID: <444EDE24.60605@yahoo.com.au> Date: Wed, 26 Apr 2006 12:42:44 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050927 Debian/1.7.8-1sarge3 X-Accept-Language: en MIME-Version: 1.0 To: Akinobu Mita CC: linux-kernel@vger.kernel.org, akpm@osdl.org, Jens Axboe , Greg KH Subject: Re: [patch 1/3] use kref for blk_queue_tag References: <20060426021059.235216000@localhost.localdomain> <20060426021121.260553000@localhost.localdomain> In-Reply-To: <20060426021121.260553000@localhost.localdomain> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Akinobu Mita wrote: >Use kref for reference counter of blk_queue_tag. > > Indirect function calls can be pretty expensive. I'd rather not convert performance critical code 'just because'. -- Send instant messages to your online friends http://au.messenger.yahoo.com