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=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 26CEFC433DF for ; Mon, 13 Jul 2020 01:03:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0FFDC206B6 for ; Mon, 13 Jul 2020 01:03:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727021AbgGMBDf (ORCPT ); Sun, 12 Jul 2020 21:03:35 -0400 Received: from mx2.suse.de ([195.135.220.15]:53920 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726261AbgGMBDf (ORCPT ); Sun, 12 Jul 2020 21:03:35 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 0F7F0AC20; Mon, 13 Jul 2020 01:03:35 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Cc: Josef Bacik Subject: [PATCH v3 1/4] btrfs: relocation: allow signal to cancel balance Date: Mon, 13 Jul 2020 09:03:19 +0800 Message-Id: <20200713010322.18507-2-wqu@suse.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200713010322.18507-1-wqu@suse.com> References: <20200713010322.18507-1-wqu@suse.com> 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 Although btrfs balance can be canceled with "btrfs balance cancel" command, it's still almost muscle memory to press Ctrl-C to cancel a long running btrfs balance. So allow btrfs balance to check signal to determine if it should exit. Signed-off-by: Qu Wenruo Reviewed-by: Josef Bacik --- fs/btrfs/relocation.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 523d2e5fab8f..2b869fb2e62c 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -2656,7 +2656,8 @@ int setup_extent_mapping(struct inode *inode, u64 start, u64 end, */ int btrfs_should_cancel_balance(struct btrfs_fs_info *fs_info) { - return atomic_read(&fs_info->balance_cancel_req); + return atomic_read(&fs_info->balance_cancel_req) || + fatal_signal_pending(current); } ALLOW_ERROR_INJECTION(btrfs_should_cancel_balance, TRUE); -- 2.27.0