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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 A839EC4360C for ; Tue, 2 Mar 2021 08:24:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4DEBC6146D for ; Tue, 2 Mar 2021 08:24:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1836271AbhCBHAF (ORCPT ); Tue, 2 Mar 2021 02:00:05 -0500 Received: from mail.kernel.org ([198.145.29.99]:33926 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1577107AbhCBFnS (ORCPT ); Tue, 2 Mar 2021 00:43:18 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id D0A886146B; Tue, 2 Mar 2021 05:42:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614663755; bh=L/xAWAJDwAT+puMjWqJVBI895stEzEJP7zB19lOugg8=; h=From:To:Cc:Subject:Date:From; b=Vl/PqZSu+l9Incm849CFvZbxe0KngocrQNhV44bnpS/hW7HwmyMw1TScNTNjW/wOJ GGS4KBwj3Fq4ap8JhEVfVVGe6t8TAIIejbmtRXV9/8aRl9BPHuaiVu1puwwBic/Zmk 9D5uGh/775rbSjetWtieVwrqCphQ1pb0V7xtIDhAFM4scS4+RZYXr0TAmNEIpNJjRk zOzceXGPY+WJjCQG544WZKnq/8TVDASBB5c3Pcta81OtQzB+/dPYyeyUpa9FOkTeRT vTrdBs0tVRT3RLqudoO15zioQXeoOcWLTEYFnrh7tsfM/TV58FAiIdfPaTKfw8ROAb 6UMJpstpWpayQ== From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com Cc: Jaegeuk Kim Subject: [PATCH] f2fs: expose # of overprivision segments Date: Mon, 1 Mar 2021 21:42:33 -0800 Message-Id: <20210302054233.3886681-1-jaegeuk@kernel.org> X-Mailer: git-send-email 2.30.1.766.gb4fecdf3b7-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is useful when checking conditions during checkpoint=disable in Android. Signed-off-by: Jaegeuk Kim --- fs/f2fs/sysfs.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index e38a7f6921dd..254b6fa17406 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -91,6 +91,13 @@ static ssize_t free_segments_show(struct f2fs_attr *a, (unsigned long long)(free_segments(sbi))); } +static ssize_t ovp_segments_show(struct f2fs_attr *a, + struct f2fs_sb_info *sbi, char *buf) +{ + return sprintf(buf, "%llu\n", + (unsigned long long)(overprovision_segments(sbi))); +} + static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a, struct f2fs_sb_info *sbi, char *buf) { @@ -629,6 +636,7 @@ F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, node_io_flag, node_io_flag); F2FS_RW_ATTR(CPRC_INFO, ckpt_req_control, ckpt_thread_ioprio, ckpt_thread_ioprio); F2FS_GENERAL_RO_ATTR(dirty_segments); F2FS_GENERAL_RO_ATTR(free_segments); +F2FS_GENERAL_RO_ATTR(ovp_segments); F2FS_GENERAL_RO_ATTR(lifetime_write_kbytes); F2FS_GENERAL_RO_ATTR(features); F2FS_GENERAL_RO_ATTR(current_reserved_blocks); -- 2.30.1.766.gb4fecdf3b7-goog