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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 819D9C32771 for ; Tue, 27 Sep 2022 02:45:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230091AbiI0CpJ (ORCPT ); Mon, 26 Sep 2022 22:45:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230141AbiI0CpD (ORCPT ); Mon, 26 Sep 2022 22:45:03 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B7625FA8 for ; Mon, 26 Sep 2022 19:44:59 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A2B2F61542 for ; Tue, 27 Sep 2022 02:44:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D85EC433C1; Tue, 27 Sep 2022 02:44:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664246698; bh=aPhM8cKTA6dQyU1256UxQ8auvOKzd7pI92C/A1V002w=; h=From:To:Cc:Subject:Date:From; b=gROzKsyyApUtzhal/gNoSsvkKuujY+kBdBam7IqAejbwerNBpTgYvEnrEDjUfmEoS CRMStTLNKnrCiV5Uj+wLtUhoHla+01DcXbX03OC+ZSIPzLT9J/AJuQc2y5vsqmeWq+ nY5TC7CkhV+UWai7etPhigeXGJTBlAXhoFoSfcocgjfL/8nqstAXiz9KJz1ZMK0EY/ omGgkLTQkcDdAL+jBTYFsqMwPuwmn9953vW1r9sxB0gv7Xs94a5nXvL6W0UTu222TE nhUy/bidsVYermqW9gwLxLyYuc4DaIS584R7P+zQLG1G/t3nCfnlNXQStK+DQPQnAM /fUhK/U28wMPQ== From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu Subject: [PATCH] f2fs: introduce cp_status sysfs entry Date: Tue, 27 Sep 2022 10:44:47 +0800 Message-Id: <20220927024447.2547950-1-chao@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds a new sysfs entry named cp_status, it can output checkpoint flags in real time. Signed-off-by: Chao Yu --- Documentation/ABI/testing/sysfs-fs-f2fs | 24 ++++++++++++++++++++++++ fs/f2fs/sysfs.c | 8 ++++++++ 2 files changed, 32 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 083ac2d63eef..483639fb727b 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -466,6 +466,30 @@ Description: Show status of f2fs superblock in real time. 0x4000 SBI_IS_FREEZING freefs is in process ====== ===================== ================================= +What: /sys/fs/f2fs//stat/cp_status +Date: September 2022 +Contact: "Chao Yu" +Description: Show status of f2fs checkpoint in real time. + + =============================== ============================== + cp flag value + CP_UMOUNT_FLAG 0x00000001 + CP_ORPHAN_PRESENT_FLAG 0x00000002 + CP_COMPACT_SUM_FLAG 0x00000004 + CP_ERROR_FLAG 0x00000008 + CP_FSCK_FLAG 0x00000010 + CP_FASTBOOT_FLAG 0x00000020 + CP_CRC_RECOVERY_FLAG 0x00000040 + CP_NAT_BITS_FLAG 0x00000080 + CP_TRIMMED_FLAG 0x00000100 + CP_NOCRC_RECOVERY_FLAG 0x00000200 + CP_LARGE_NAT_BITMAP_FLAG 0x00000400 + CP_QUOTA_NEED_FSCK_FLAG 0x00000800 + CP_DISABLED_FLAG 0x00001000 + CP_DISABLED_QUICK_FLAG 0x00002000 + CP_RESIZEFS_FLAG 0x00004000 + =============================== ============================== + What: /sys/fs/f2fs//ckpt_thread_ioprio Date: January 2021 Contact: "Daeho Jeong" diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 39ebf0ad133a..df27afd71ef4 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -128,6 +128,12 @@ static ssize_t sb_status_show(struct f2fs_attr *a, return sprintf(buf, "%lx\n", sbi->s_flag); } +static ssize_t cp_status_show(struct f2fs_attr *a, + struct f2fs_sb_info *sbi, char *buf) +{ + return sprintf(buf, "%x\n", le32_to_cpu(F2FS_CKPT(sbi)->ckpt_flags)); +} + static ssize_t pending_discard_show(struct f2fs_attr *a, struct f2fs_sb_info *sbi, char *buf) { @@ -1029,8 +1035,10 @@ static struct attribute *f2fs_feat_attrs[] = { ATTRIBUTE_GROUPS(f2fs_feat); F2FS_GENERAL_RO_ATTR(sb_status); +F2FS_GENERAL_RO_ATTR(cp_status); static struct attribute *f2fs_stat_attrs[] = { ATTR_LIST(sb_status), + ATTR_LIST(cp_status), NULL, }; ATTRIBUTE_GROUPS(f2fs_stat); -- 2.25.1