From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3DB2AC31E44 for ; Fri, 14 Jun 2019 05:48:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0380E21473 for ; Fri, 14 Jun 2019 05:48:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560491309; bh=VSW1Yi1WUX3bgXsbFbk8tVjvLE83E3JNc9bzd89Pv6g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=p6L7m3NthHIzNob6U0S8sh//qw1dhQQZbBmjzUUKqpuzgAO/rMUHCyh4l5jmPP3Dr a8ZW00lZ1hTXS2j07DiB8d2Y6jiuRsDRq5VXYEAm3riQegrYDhAZbeCnaTDwNZixMx uEWUv/wKCmzKsoILQBgkmHWtcv7aZ8ITsCrAvRuo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726138AbfFNFs1 (ORCPT ); Fri, 14 Jun 2019 01:48:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:47826 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725801AbfFNFs1 (ORCPT ); Fri, 14 Jun 2019 01:48:27 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 60C122133D; Fri, 14 Jun 2019 05:48:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560491306; bh=VSW1Yi1WUX3bgXsbFbk8tVjvLE83E3JNc9bzd89Pv6g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=0uw2nntHXiooJt2oxdTguna2RDTHM4B8zoHPe938P1k7E/G64rBj+gQy5a5XUouux M8tI1nKSCflY0bZ+Npg/a3TE7rWWinr0r+Oe28d4yQOosHp38spAv1p6yrB8dfpUb4 /eyuz8SypS0Yr7qiHsdkQfDm7Eua5ONROwy8C5Us= Date: Fri, 14 Jun 2019 07:48:24 +0200 From: Greg Kroah-Hartman To: Ming Lei Cc: linux-scsi@vger.kernel.org, "Martin K . Petersen" , James Bottomley , Bart Van Assche , Hannes Reinecke , Christoph Hellwig , Jim Gill , Cathy Avery , "Ewan D . Milne" , Brian King , James Smart , "Juergen E . Fischer" , Michael Schmitz , Finn Thain , devel@driverdev.osuosl.org, linux-usb@vger.kernel.org, Dan Carpenter , Benjamin Block Subject: Re: [PATCH V3 08/15] staging: unisys: visorhba: use sg helper to operate scatterlist Message-ID: <20190614054824.GA27319@kroah.com> References: <20190614025316.7360-1-ming.lei@redhat.com> <20190614025316.7360-9-ming.lei@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190614025316.7360-9-ming.lei@redhat.com> User-Agent: Mutt/1.12.0 (2019-05-25) Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Fri, Jun 14, 2019 at 10:53:09AM +0800, Ming Lei wrote: > Use the scatterlist iterators and remove direct indexing of the > scatterlist array. > > This way allows us to pre-allocate one small scatterlist, which can be > chained with one runtime allocated scatterlist if the pre-allocated one > isn't enough for the whole request. > > Cc: devel@driverdev.osuosl.org > Cc: Greg Kroah-Hartman > Signed-off-by: Ming Lei > --- > drivers/staging/unisys/visorhba/visorhba_main.c | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-) Acked-by: Greg Kroah-Hartman