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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED 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 2F953C282D8 for ; Fri, 1 Feb 2019 14:12:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F238B21872 for ; Fri, 1 Feb 2019 14:12:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549030346; bh=PL3DmJr0vcAQFLuBXhKpzQiZBOzvpHZy67+euovIuJE=; h=Subject:To:References:From:Date:In-Reply-To:List-ID:From; b=vwbgrCRt76i0kzH0QW6uXHsdV/JrIVrQex+PYlzAGqxXNUThyWmkI2tmGTE/QQNAv jZf2EBTJo6kuXu8n2OOGW+0J+sE+xHvGxYjg8reFVfUdzBBGBk9RKG/G4NNjLxC+Kz WsCVvobx4KIMjaN1ek0lYaU7SXnkZF5Bu/uVINLQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728882AbfBAOMY (ORCPT ); Fri, 1 Feb 2019 09:12:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:35168 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726542AbfBAOMY (ORCPT ); Fri, 1 Feb 2019 09:12:24 -0500 Received: from [192.168.0.101] (unknown [49.65.250.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E75A02086C; Fri, 1 Feb 2019 14:12:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549030343; bh=PL3DmJr0vcAQFLuBXhKpzQiZBOzvpHZy67+euovIuJE=; h=Subject:To:References:From:Date:In-Reply-To:From; b=ONie1F7A4sHJw9bmJBrVIaV0Hmg9IWyvkUr2+wd6ODLugffO1bPyKRVwHXZdv0Jj7 5aIUpMMm/ywYRxKOKYDBXBz/HvidXMFRgPFVdcOWYReK/XrsJ386+jyEPjGStJlo9Z jwZ6YKqfXsXh76+oO9+ci+6XAJvmlo5uMxF+8GWw= Subject: Re: [f2fs-dev] [PATCH 1/7] f2fs: run discard jobs when put_super To: Jaegeuk Kim , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net References: <20190128234717.77225-1-jaegeuk@kernel.org> From: Chao Yu Message-ID: <9a530df6-38f2-160f-bb6f-8302ab8513bc@kernel.org> Date: Fri, 1 Feb 2019 22:12:14 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20190128234717.77225-1-jaegeuk@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019-1-29 7:47, Jaegeuk Kim wrote: > When we umount f2fs, we need to avoid long delay due to discard commands, which > is actually taking tens of seconds, if storage is very slow on UNMAP. So, this > patch introduces timeout-based work on it. > > By default, let me give 5 seconds for discard. > > Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu Thanks,