Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756086AbaLWOo3 (ORCPT ); Tue, 23 Dec 2014 09:44:29 -0500 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:45229 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750983AbaLWOo1 (ORCPT ); Tue, 23 Dec 2014 09:44:27 -0500 Date: Tue, 23 Dec 2014 09:44:13 -0500 From: Chris Mason Subject: Re: [RFC PATCH 05/17] btrfs: remove bio splitting and merge_bvec_fn() calls To: Dongsu Park CC: , Jens Axboe , Kent Overstreet , Ming Lin , Dongsu Park , Josef Bacik , Message-ID: <1419345853.13012.10@mail.thefacebook.com> In-Reply-To: References: X-Mailer: geary/0.8.2 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed X-Originating-IP: [192.168.16.4] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.13.68,1.0.33,0.0.0000 definitions=2014-12-23_05:2014-12-23,2014-12-23,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 kscore.is_bulkscore=0 kscore.compositescore=0 circleOfTrustscore=0 compositescore=0.925924926977281 urlsuspect_oldscore=0.925924926977281 suspectscore=0 recipient_domain_to_sender_totalscore=0 phishscore=0 bulkscore=0 kscore.is_spamscore=0 recipient_to_sender_totalscore=0 recipient_domain_to_sender_domain_totalscore=62764 rbsscore=0.925924926977281 spamscore=0 recipient_to_sender_domain_totalscore=29 urlsuspectscore=0.9 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1402240000 definitions=main-1412230148 X-FB-Internal: deliver Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 22, 2014 at 6:48 AM, Dongsu Park wrote: > From: Kent Overstreet > > Btrfs has been doing bio splitting from btrfs_map_bio(), by checking > device limits as well as calling ->merge_bvec_fn() etc. That is not > necessary any more, because generic_make_request() is now able to > handle arbitrarily sized bios. So clean up unnecessary code paths. > > Signed-off-by: Kent Overstreet > [dpark: add more description in commit message] > Signed-off-by: Dongsu Park > Cc: Chris Mason > Cc: Josef Bacik > Cc: linux-btrfs@vger.kernel.org > --- Looks good, I'll test it here too. Thanks! Signed-off-by: Chris Mason -- 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/