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=-10.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 283F0C63798 for ; Fri, 27 Nov 2020 01:02:09 +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 9FF55221F8; Fri, 27 Nov 2020 01:02:08 +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="CoZOyGF2"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sf.net header.i=@sf.net header.b="Uigoqnjv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9FF55221F8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com 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-1.v29.lw.sourceforge.com) by sfs-ml-1.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1kiS9H-0003Pe-Gc; Fri, 27 Nov 2020 01:02:07 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-1.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kiS9F-0003P7-Lm for linux-f2fs-devel@lists.sourceforge.net; Fri, 27 Nov 2020 01:02:05 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:CC:To:Subject:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=UhIbSCrw71sZIsX9xR/wrxHp9Dddt7EJ1dafOUjEWWg=; b=CoZOyGF2eIfhf8wpPlvHHY/yU2 Fr3LoQfgX6KHpQ7DsxmugFFW3zrU5WPKoZoNwy8BKxaulY3Wa22dvs1/VoAkqIDsbRB1+bA1w8zdT rAAwUURYHv94FGD3EIDt2QlJCukRTrhpZU2pAxqqSzgA3Wc6EdNIVEJECqcdpHjmXkHg=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version:Date: Message-ID:From:References:CC:To:Subject:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=UhIbSCrw71sZIsX9xR/wrxHp9Dddt7EJ1dafOUjEWWg=; b=Uigoqnjvx7oLfgeNlYGeKAdvTt Uqpx+gLRko8YlkddUuD8LFATOKd739Dh+YJycETgmRiL82m9aVBIz+SsuOxOqm0oXLs+ZtiTje6E2 m2DLBycwWDle9yx0QYpIMeSStiEu2VOf5sHMTmC3VnxXHdAuN9dxur6TfL4KvCPmYfE4=; Received: from szxga04-in.huawei.com ([45.249.212.190]) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.2) id 1kiS9A-000BEU-1F for linux-f2fs-devel@lists.sourceforge.net; Fri, 27 Nov 2020 01:02:05 +0000 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4ChxCX3pvJz15SNK; Fri, 27 Nov 2020 09:01:28 +0800 (CST) Received: from [10.136.114.67] (10.136.114.67) by smtp.huawei.com (10.3.19.211) with Microsoft SMTP Server (TLS) id 14.3.487.0; Fri, 27 Nov 2020 09:01:47 +0800 To: Eric Biggers References: <20201126103709.80006-1-yuchao0@huawei.com> From: Chao Yu Message-ID: <7ecb947e-2f8c-abd7-c116-c82c474fded7@huawei.com> Date: Fri, 27 Nov 2020 09:01:47 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.136.114.67] X-CFilter-Loop: Reflected X-Headers-End: 1kiS9A-000BEU-1F Subject: Re: [f2fs-dev] [PATCH v2] f2fs: compress: add compress_inode to cache compressed blocks 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@kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 2020/11/27 1:55, Eric Biggers wrote: > On Thu, Nov 26, 2020 at 06:37:09PM +0800, Chao Yu wrote: >> Support to use address space of inner inode to cache compressed block, >> in order to improve cache hit ratio of random read. >> >> Signed-off-by: Chao Yu > > If the file is also encrypted, are the compressed pages that are cached still > encrypted, or are they decrypted? In current implementation, they are decrypted in cache. Thanks, > > - Eric > . > _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel 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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 AFA39C64E75 for ; Fri, 27 Nov 2020 01:21:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6EEDF22210 for ; Fri, 27 Nov 2020 01:21:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392110AbgK0BBx (ORCPT ); Thu, 26 Nov 2020 20:01:53 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:8127 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392103AbgK0BBw (ORCPT ); Thu, 26 Nov 2020 20:01:52 -0500 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4ChxCX3pvJz15SNK; Fri, 27 Nov 2020 09:01:28 +0800 (CST) Received: from [10.136.114.67] (10.136.114.67) by smtp.huawei.com (10.3.19.211) with Microsoft SMTP Server (TLS) id 14.3.487.0; Fri, 27 Nov 2020 09:01:47 +0800 Subject: Re: [f2fs-dev] [PATCH v2] f2fs: compress: add compress_inode to cache compressed blocks To: Eric Biggers CC: , , References: <20201126103709.80006-1-yuchao0@huawei.com> From: Chao Yu Message-ID: <7ecb947e-2f8c-abd7-c116-c82c474fded7@huawei.com> Date: Fri, 27 Nov 2020 09:01:47 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.136.114.67] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/11/27 1:55, Eric Biggers wrote: > On Thu, Nov 26, 2020 at 06:37:09PM +0800, Chao Yu wrote: >> Support to use address space of inner inode to cache compressed block, >> in order to improve cache hit ratio of random read. >> >> Signed-off-by: Chao Yu > > If the file is also encrypted, are the compressed pages that are cached still > encrypted, or are they decrypted? In current implementation, they are decrypted in cache. Thanks, > > - Eric > . >