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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 0B2E8C282CD for ; Mon, 28 Jan 2019 23:47:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CDE28217F5 for ; Mon, 28 Jan 2019 23:47:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548719249; bh=zUuOtI+Del2uu5VYzfUqOE11gveyD1HlqXa37CIY8TY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=YpJIji8aTx8l6Nw0WWi70exFihSk5HNETqPh9l1VDq0sHPjMPjyZYEJ3Lflck+LLI qEOB3F0RZCq9YRQj7k+XxOUKoA7xwLxWFEJR4wIOMbGd7D/1IbhvyQ3cNNI7RfUfFi kJFvWYNrGdm4cVXkdL3FYVX9+6qECMnmDgAexPhc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727762AbfA1Xr2 (ORCPT ); Mon, 28 Jan 2019 18:47:28 -0500 Received: from mail.kernel.org ([198.145.29.99]:39754 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727558AbfA1Xr0 (ORCPT ); Mon, 28 Jan 2019 18:47:26 -0500 Received: from localhost (203-69-98-252.HINET-IP.hinet.net [203.69.98.252]) (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 BD6E821783; Mon, 28 Jan 2019 23:47:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548719246; bh=zUuOtI+Del2uu5VYzfUqOE11gveyD1HlqXa37CIY8TY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=K3MrECaocuO/hv5//cfavrkC6LAYHqB3Rj36E2B+Zn8wlOwOyLrCNSt9sNcwlWIPC 67RiugTENIYNPpw/bYoTfJ5UzAnTiuMaYFaFIYVXLCzTod6z8lvU3Zh+gk3YCs80G0 f/c7cPoOTImsTB667lxmRkDGbEXNL2d7A9PLvJXI= From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH 3/7] f2fs: try to keep CP_TRIMMED_FLAG after successful umount Date: Tue, 29 Jan 2019 07:47:13 +0800 Message-Id: <20190128234717.77225-3-jaegeuk@kernel.org> X-Mailer: git-send-email 2.19.0.605.g01d371f741-goog In-Reply-To: <20190128234717.77225-1-jaegeuk@kernel.org> References: <20190128234717.77225-1-jaegeuk@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If every discard were issued successfully, we can avoid further discard. Signed-off-by: Jaegeuk Kim --- fs/f2fs/segment.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 342b720fb4db..fdd8cd21522f 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1063,6 +1063,8 @@ static void __init_discard_policy(struct f2fs_sb_info *sbi, } else if (discard_type == DPOLICY_UMOUNT) { dpolicy->max_requests = UINT_MAX; dpolicy->io_aware = false; + /* we need to issue all to keep CP_TRIMMED_FLAG */ + dpolicy->granularity = 1; } } -- 2.19.0.605.g01d371f741-goog