From patchwork Wed Sep 25 06:29:28 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Jain X-Patchwork-Id: 11160053 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 51BFB13BD for ; Wed, 25 Sep 2019 06:29:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2DEEB21D7E for ; Wed, 25 Sep 2019 06:29:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="LrxcurjA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2411883AbfIYG3o (ORCPT ); Wed, 25 Sep 2019 02:29:44 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:48124 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391660AbfIYG3n (ORCPT ); Wed, 25 Sep 2019 02:29:43 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x8P6SxCO015167 for ; Wed, 25 Sep 2019 06:29:42 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : subject : date : message-id; s=corp-2019-08-05; bh=0N2iJY318956nGzeOKQwN5DZvyPDdbhSLjFnu4p8xes=; b=LrxcurjALH2Gqossc6OYDGuWnTfzCwl6sM2lQwdR1AnFyEAnthYMk8RXqqMnPCg/r7W+ aVepYQElTBnCIfJRQcSWL5SJx6qFdtfg7+fGr3+uW7gx1uo93e6mf1MHdoHnO2TvZZjp oCqHhXQReBZRCrwYGStOc+MgCdZtpDMN9E87Nl9WpjybNZnprrFkQ0vJZvYwVAFKjQ+3 I3O9uzSk2PulonXD41uCIfP0RB03ifg3RMM5ruyXxJUxXOYspZtrEnkf0J3QR46cVOoz sjo0oDjyfPwcQfpCbrm/hqsql3XwDutwqvisbooBqE2JCHjv3bST9oTHmy9aclZ1xeTA Dg== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2120.oracle.com with ESMTP id 2v5btq2h4j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 25 Sep 2019 06:29:42 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x8P6Shf6132287 for ; Wed, 25 Sep 2019 06:29:42 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3020.oracle.com with ESMTP id 2v7vnxb5q8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 25 Sep 2019 06:29:41 +0000 Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x8P6TeMx008438 for ; Wed, 25 Sep 2019 06:29:40 GMT Received: from tp.wifi.oracle.com (/192.188.170.104) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 24 Sep 2019 23:29:40 -0700 From: Anand Jain To: linux-btrfs@vger.kernel.org Subject: [PATCH] btrfs: balance: use redundancy instead of integrity Date: Wed, 25 Sep 2019 14:29:28 +0800 Message-Id: <1569392968-21340-1-git-send-email-anand.jain@oracle.com> X-Mailer: git-send-email 1.8.3.1 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9390 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=962 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909250065 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9390 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909250065 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org When balance reduces the number of copies of data it reduces the redundancy, use the term redundancy instead of integrity. Signed-off-by: Anand Jain --- fs/btrfs/volumes.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 5d35f3f34bd2..9ce975f1ddee 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4032,7 +4032,7 @@ int btrfs_balance(struct btrfs_fs_info *fs_info, int ret; u64 num_devices; unsigned seq; - bool reducing_integrity; + bool reducing_redundancy; int i; if (btrfs_fs_closing(fs_info) || @@ -4109,9 +4109,9 @@ int btrfs_balance(struct btrfs_fs_info *fs_info, ((bctl->meta.flags & BTRFS_BALANCE_ARGS_CONVERT) && (fs_info->avail_metadata_alloc_bits & allowed) && !(bctl->meta.target & allowed))) - reducing_integrity = true; + reducing_redundancy = true; else - reducing_integrity = false; + reducing_redundancy = false; /* if we're not converting, the target field is uninitialized */ meta_target = (bctl->meta.flags & BTRFS_BALANCE_ARGS_CONVERT) ? @@ -4120,13 +4120,13 @@ int btrfs_balance(struct btrfs_fs_info *fs_info, bctl->data.target : fs_info->avail_data_alloc_bits; } while (read_seqretry(&fs_info->profiles_lock, seq)); - if (reducing_integrity) { + if (reducing_redundancy) { if (bctl->flags & BTRFS_BALANCE_FORCE) { btrfs_info(fs_info, - "balance: force reducing metadata integrity"); + "balance: force reducing metadata redundancy"); } else { btrfs_err(fs_info, - "balance: reduces metadata integrity, use --force if you want this"); + "balance: reduces metadata redundancy, use --force if you want this"); ret = -EINVAL; goto out; }