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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=no 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 28BDEC3F68F for ; Tue, 21 Jan 2020 05:46:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F10C124125 for ; Tue, 21 Jan 2020 05:46:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="gcpbnat3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727523AbgAUFq0 (ORCPT ); Tue, 21 Jan 2020 00:46:26 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:48254 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725789AbgAUFq0 (ORCPT ); Tue, 21 Jan 2020 00:46:26 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 00L5hPP7115698; Tue, 21 Jan 2020 05:45:31 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2019-08-05; bh=hnj5yygl8cYjbyZ6FFoRETqhejtQqC1ViqWe7gP+9h8=; b=gcpbnat3hVcXfS+bN0SPTSfIILflFNoP/cb8gZhWPN7NA0MkcDSh/Ta8U5SbkfZT8EWu v+RiYrgQvJNZAgIq9r4NkNKYR0wp0ST89TOL2BuHNuvg16mKJtTHOpotBAi6ZgIxxiyM 0pzSfTd9debb31jsdlavvQ0haYCZzAAAAxdmOeTc0TYAOXevErMO+eU6poC2Mix33OB+ YFF8Pi1sBTNLIFuI8/2jO3AE0iwOIafKAAVuiNOy1s37qTV8GlDKFYddxfXZg1mQGrbV egkBxPjacGF4Duzqbwwrs/fpIEZSUeliBkSqvolT02Ey5yLuqOZIXOOdBWbbAeZ9O3xN 3w== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2120.oracle.com with ESMTP id 2xktnr2g4m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Jan 2020 05:45:31 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 00L5iV74122219; Tue, 21 Jan 2020 05:45:31 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3020.oracle.com with ESMTP id 2xnsj3vsjb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Jan 2020 05:45:30 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 00L5jPtc022123; Tue, 21 Jan 2020 05:45:26 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 20 Jan 2020 21:45:25 -0800 To: Kirill Tkhai Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, martin.petersen@oracle.com, axboe@kernel.dk, tytso@mit.edu, adilger.kernel@dilger.ca, Chaitanya.Kulkarni@wdc.com, darrick.wong@oracle.com, ming.lei@redhat.com, osandov@fb.com, jthumshirn@suse.de, minwoo.im.dev@gmail.com, damien.lemoal@wdc.com, andrea.parri@amarulasolutions.com, hare@suse.com, tj@kernel.org, ajay.joshi@wdc.com, sagi@grimberg.me, dsterba@suse.com, bvanassche@acm.org, dhowells@redhat.com, asml.silence@gmail.com Subject: Re: [PATCH block v2 1/3] block: Add @flags argument to bdev_write_zeroes_sectors() From: "Martin K. Petersen" Organization: Oracle Corporation References: <157917805422.88675.6477661554332322975.stgit@localhost.localdomain> <157917815798.88675.11900718803129164489.stgit@localhost.localdomain> Date: Tue, 21 Jan 2020 00:45:21 -0500 In-Reply-To: <157917815798.88675.11900718803129164489.stgit@localhost.localdomain> (Kirill Tkhai's message of "Thu, 16 Jan 2020 15:35:58 +0300") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9506 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=942 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001210050 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9506 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=996 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001210050 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Kirill, > This is a preparation for next patch, which introduces a new flag > BLKDEV_ZERO_ALLOCATE for calls, which need only allocation of blocks > and don't need actual blocks zeroing. Path of least resistance, I guess. Reviewed-by: Martin K. Petersen -- Martin K. Petersen Oracle Linux Engineering