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=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 BD680C43603 for ; Sun, 8 Dec 2019 09:30:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8389920700 for ; Sun, 8 Dec 2019 09:30:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ambroffkao-com.20150623.gappssmtp.com header.i=@ambroffkao-com.20150623.gappssmtp.com header.b="nQYlhfpJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726023AbfLHJa6 (ORCPT ); Sun, 8 Dec 2019 04:30:58 -0500 Received: from mail-pg1-f193.google.com ([209.85.215.193]:34406 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725832AbfLHJa6 (ORCPT ); Sun, 8 Dec 2019 04:30:58 -0500 Received: by mail-pg1-f193.google.com with SMTP id r11so5576605pgf.1 for ; Sun, 08 Dec 2019 01:30:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ambroffkao-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=qUTvM0fd97uzuS3vHyWuZTj7M6xT4JzX9ox7EaqmNPU=; b=nQYlhfpJo4aAIr8AgahoR0hSMXsGJLe1Mb85pokwY2QjopHgG/zAquuXkjdHlftc2m uzXS1gXLi+4raUKIuE8vrZeO7MRExZR8mdFH7AbkgGE/pGTyCfwHtdHV8GOMcdfwhovF LlzW+T9DlcQ/oeYVOLZyAAAyH558S5JuDOK59LR9X4lndVyP04oEFhxaVUXD3HNVcomz PtGw6KcngcEwwMnpGh+j8F5HjIi687cDBnM79lXUFdXbZtXVwHSlOV9ApjeQQxYAx2nt 40W/YtOTsNappGV99yqk1QONrtFxh4XGHFLh/26CkDNAaX6AmZEr6gCzWjTbnuOekien IPaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=qUTvM0fd97uzuS3vHyWuZTj7M6xT4JzX9ox7EaqmNPU=; b=efrDcv++JQeVCrRfqZqc/m2S77ZgbDK2U5+SyLqZdVdO7Rz95NH07IDU7+6khdjpu9 jdS5zxJ1UX9TOgL/1Z6iLzc+WglJupZRxKqpjQxNCvONAE1yvNzxpi9vbBLw85XuKIGR +8C29bEStYW7bh9BrV+yqx5LqWCSzsyzUOwH0O4MChScAzWc5w3I+C8mioGhPM/qd9E1 UmFEgD/xHuqwegD4lTVYffZUrOn8dJ7Vn/4pflUc43JhWcn5hyEyRYiWWc9XFn349tV2 5xdTlph2Rryyez3xqux/KfM13DLdzds9s5xMb14T8qibCOJW5Q75CCis7rAXworL36U8 IPQA== X-Gm-Message-State: APjAAAUfzzNKTNoiUhHmRbxQi0o+caOvyLCOSUQ4cT89zoksvx9EPBDO KCgtel2HolBsQTXYMRgg2sZOk9mULJyPYA== X-Google-Smtp-Source: APXvYqwc3//kAgl9ayVRim0N8m+6YtxsK0WJv/6IVdRRcz3q5OUaFzmCL4CVt38gHraXu7Qvn68kNQ== X-Received: by 2002:a63:6a01:: with SMTP id f1mr12549899pgc.92.1575797456985; Sun, 08 Dec 2019 01:30:56 -0800 (PST) Received: from localhost.localdomain ([66.234.200.130]) by smtp.gmail.com with ESMTPSA id m127sm9077978pfm.167.2019.12.08.01.30.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Dec 2019 01:30:56 -0800 (PST) From: Kyle Ambroff-Kao To: linux-btrfs@vger.kernel.org Cc: Kyle Ambroff-Kao Subject: [PATCH 0/1] Support replacing a device with smaller one Date: Sun, 8 Dec 2019 01:30:44 -0800 Message-Id: <20191208093045.43433-1-kyle@ambroffkao.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org This is a pretty simple patch to address Bug 112741: "btrfs device replace" should allow smaller devices if possible[1]. I have a followup patch for btrfs-progs related to this which updates the validation and adds an extra prompt. [1] https://bugzilla.kernel.org/show_bug.cgi?id=112741 Kyle Ambroff-Kao (1): btrfs: Allow replacing device with a smaller one if possible fs/btrfs/dev-replace.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) -- 2.20.1