From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756147AbdDMUfV (ORCPT ); Thu, 13 Apr 2017 16:35:21 -0400 Received: from rhlx01.hs-esslingen.de ([129.143.116.10]:54534 "EHLO rhlx01.hs-esslingen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750997AbdDMUfT (ORCPT ); Thu, 13 Apr 2017 16:35:19 -0400 Date: Thu, 13 Apr 2017 22:35:17 +0200 From: Andreas Mohr To: Ming Lei Cc: Johannes Thumshirn , Jens Axboe , Omar Sandoval , Bart Van Assche , Hannes Reinecke , Christoph Hellwig , Linux Block Layer Mailinglist , Linux Kernel Mailinglist Subject: Re: [PATCH] block: bios with an offset are always gappy Message-ID: <20170413203517.GA27520@rhlx01.hs-esslingen.de> References: <20170413080629.7610-1-jthumshirn@suse.de> <20170413100110.GB5964@ming.t460p> <20170413115328.GH6734@linux-x5ow.site> <20170413144505.GB10008@ming.t460p> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170413144505.GB10008@ming.t460p> X-Priority: none User-Agent: Mutt/1.8.0 (2017-02-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 13, 2017 at 10:45:10PM +0800, Ming Lei wrote: > + /* > + * don't merge if the 1st bio starts with non-zero > + * offset, otherwise it is quite difficult to respect > + * sg gap limit. We work hard to merge huge of small > + * bios in case of mkfs. "huge of small bios in case" - -ENOPARSE. "huge numbers of"? "huge or small"? HTH, Andreas Mohr