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=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 41672C4BA1D for ; Wed, 26 Feb 2020 16:46:44 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 115D32467B; Wed, 26 Feb 2020 16:46:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sourceforge.net header.i=@sourceforge.net header.b="A83h6MEr"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sf.net header.i=@sf.net header.b="l4pIDeTP"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="V56ibXmk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 115D32467B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net Received: from [127.0.0.1] (helo=sfs-ml-2.v29.lw.sourceforge.com) by sfs-ml-2.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1j6zpZ-0004nP-IB; Wed, 26 Feb 2020 16:46:41 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1j6zpX-0004nG-Jk for linux-f2fs-devel@lists.sourceforge.net; Wed, 26 Feb 2020 16:46:39 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:MIME-Version:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=dEAZxHEsmh3xiwtVjuRoZ895lWOnuAsPPifn6uvLoUI=; b=A83h6MErKbkhDrH0GsoNfnMqT4 OmzJ1ab45JpoFz59Knt0xDMKVdY1APXWlrZoaxuZ44N+Phg3i1yq5TRSH054z0qJt7TdCRhYMEFqG QMnwe7pHvrlIkdgxIwFDca6lHxCvuhiNSUPs/s+llSVHMy+gh2bCD4sdhXRRYRpNez7g=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:MIME-Version:Message-Id:Date:Subject:Cc:To:From :Sender:Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post: List-Owner:List-Archive; bh=dEAZxHEsmh3xiwtVjuRoZ895lWOnuAsPPifn6uvLoUI=; b=l 4pIDeTP33SpTa9YYVeiSthnWNJWfHL2uh/4oN75Vgp3es7kJc9MEdJohD7RvJs+gNjn9Hzre7MTOG GNfh6yAsemCzJUgWnVuOSVJjlEyh5tzWYmsnfEKD7bBRvCMWXqtKdGF88/H04bRua40L+gZfQtsIY PYzriY/EayZfw+U8=; Received: from mail.kernel.org ([198.145.29.99]) by sfi-mx-4.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.2) id 1j6zpR-00APxM-Fr for linux-f2fs-devel@lists.sourceforge.net; Wed, 26 Feb 2020 16:46:39 +0000 Received: from localhost (unknown [104.132.1.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4E7B72467B; Wed, 26 Feb 2020 16:46:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582735577; bh=XR/8znWaIZkzuVuXdkhEvUCV1wqIXiLMa2utNOk7NmI=; h=From:To:Cc:Subject:Date:From; b=V56ibXmkhXq81YKCACADLwlYK9uemqb+8lNM6YoKD7RISqR+u9kkgv8hlUZiv3oQi SwEzeBgX8lLD68uOQPjOIFj1v7S2EiYCS22fUBaZox8qsIL3FwjOuKLETa6XzObqnq gujwyO2MFfffS7GNPcoyXG/PrIyp47WiBA1Ovdvk= From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Date: Wed, 26 Feb 2020 08:46:15 -0800 Message-Id: <20200226164615.170424-1-jaegeuk@kernel.org> X-Mailer: git-send-email 2.25.1.481.gfbce0eb801-goog MIME-Version: 1.0 X-Headers-End: 1j6zpR-00APxM-Fr Subject: [f2fs-dev] [PATCH] f2fs: show mounted time X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jaegeuk Kim Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Let's show mounted time. Signed-off-by: Jaegeuk Kim --- Documentation/ABI/testing/sysfs-fs-f2fs | 5 +++++ fs/f2fs/debug.c | 3 +++ fs/f2fs/segment.c | 2 +- fs/f2fs/segment.h | 2 +- fs/f2fs/sysfs.c | 8 ++++++++ 5 files changed, 18 insertions(+), 2 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 1a6cd5397129..ddee45e88270 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -318,3 +318,8 @@ Date: September 2019 Contact: "Hridya Valsaraju" Description: Average number of valid blocks. Available when CONFIG_F2FS_STAT_FS=y. + +What: /sys/fs/f2fs//mounted_time +Date: February 2020 +Contact: "Jaegeuk Kim" +Description: Show the mounted time of this partition. diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 6b89eae5e4ca..a8cf9626f71f 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -301,6 +301,9 @@ static int stat_show(struct seq_file *s, void *v) si->ssa_area_segs, si->main_area_segs); seq_printf(s, "(OverProv:%d Resv:%d)]\n\n", si->overp_segs, si->rsvd_segs); + seq_printf(s, "Current Time: %llu s / Mounted Time: %llu s\n\n", + ktime_get_boottime_seconds(), + SIT_I(si->sbi)->mounted_time); if (test_opt(si->sbi, DISCARD)) seq_printf(s, "Utilization: %u%% (%u valid blocks, %u discard blocks)\n", si->utilization, si->valid_count, si->discard_blks); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index fb3e531a36d2..601d67e72c50 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -4073,7 +4073,7 @@ static int build_sit_info(struct f2fs_sb_info *sbi) sit_i->dirty_sentries = 0; sit_i->sents_per_block = SIT_ENTRY_PER_BLOCK; sit_i->elapsed_time = le64_to_cpu(sbi->ckpt->elapsed_time); - sit_i->mounted_time = ktime_get_real_seconds(); + sit_i->mounted_time = ktime_get_boottime_seconds(); init_rwsem(&sit_i->sentry_lock); return 0; } diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 459dc3901a57..7a83bd530812 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -756,7 +756,7 @@ static inline unsigned long long get_mtime(struct f2fs_sb_info *sbi, bool base_time) { struct sit_info *sit_i = SIT_I(sbi); - time64_t diff, now = ktime_get_real_seconds(); + time64_t diff, now = ktime_get_boottime_seconds(); if (now >= sit_i->mounted_time) return sit_i->elapsed_time + now - sit_i->mounted_time; diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 4e8aae03f26c..7bfbead98c04 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -187,6 +187,12 @@ static ssize_t encoding_show(struct f2fs_attr *a, return sprintf(buf, "(none)"); } +static ssize_t mounted_time_show(struct f2fs_attr *a, + struct f2fs_sb_info *sbi, char *buf) +{ + return sprintf(buf, "%llu", SIT_I(sbi)->mounted_time); +} + #ifdef CONFIG_F2FS_STAT_FS static ssize_t moved_blocks_foreground_show(struct f2fs_attr *a, struct f2fs_sb_info *sbi, char *buf) @@ -546,6 +552,7 @@ F2FS_GENERAL_RO_ATTR(features); F2FS_GENERAL_RO_ATTR(current_reserved_blocks); F2FS_GENERAL_RO_ATTR(unusable); F2FS_GENERAL_RO_ATTR(encoding); +F2FS_GENERAL_RO_ATTR(mounted_time); #ifdef CONFIG_F2FS_STAT_FS F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, cp_foreground_calls, cp_count); F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, cp_background_calls, bg_cp_count); @@ -623,6 +630,7 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(reserved_blocks), ATTR_LIST(current_reserved_blocks), ATTR_LIST(encoding), + ATTR_LIST(mounted_time), #ifdef CONFIG_F2FS_STAT_FS ATTR_LIST(cp_foreground_calls), ATTR_LIST(cp_background_calls), -- 2.25.1.481.gfbce0eb801-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel