Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759326Ab2HHXFk (ORCPT ); Wed, 8 Aug 2012 19:05:40 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:53158 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758346Ab2HHXFi (ORCPT ); Wed, 8 Aug 2012 19:05:38 -0400 Date: Wed, 8 Aug 2012 16:05:32 -0700 From: Tejun Heo To: Kent Overstreet Cc: linux-bcache@vger.kernel.org, linux-kernel@vger.kernel.org, dm-devel@redhat.com, axboe@kernel.dk, agk@redhat.com, neilb@suse.de, drbd-dev@lists.linbit.com, vgoyal@redhat.com, mpatocka@redhat.com, sage@newdream.net, yehuda@hq.newdream.net Subject: Re: [PATCH v5 08/12] block: Introduce new bio_split() Message-ID: <20120808230532.GH6983@dhcp-172-17-108-109.mtv.corp.google.com> References: <1344290921-25154-1-git-send-email-koverstreet@google.com> <1344290921-25154-9-git-send-email-koverstreet@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1344290921-25154-9-git-send-email-koverstreet@google.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 602 Lines: 19 One more thing. On Mon, Aug 06, 2012 at 03:08:37PM -0700, Kent Overstreet wrote: > + if (bio_integrity(bio)) { > + bio_integrity_clone(ret, bio, gfp, bs); > + bio_integrity_trim(ret, 0, bio_sectors(ret)); > + bio_integrity_trim(bio, bio_sectors(ret), bio_sectors(bio)); Is this equivalent to bio_integrity_split() performance-wise? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/