From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@kernel.org>
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=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH,
	DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,
	SPF_HELO_NONE,SPF_PASS 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 825CAC56202
	for <linux-kernel@archiver.kernel.org>; Thu, 26 Nov 2020 17:55:39 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by mail.kernel.org (Postfix) with ESMTP id 3D19320665
	for <linux-kernel@archiver.kernel.org>; Thu, 26 Nov 2020 17:55:39 +0000 (UTC)
Authentication-Results: mail.kernel.org;
	dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="SGPeDVKG"
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S2404538AbgKZRzX (ORCPT
        <rfc822;linux-kernel@archiver.kernel.org>);
        Thu, 26 Nov 2020 12:55:23 -0500
Received: from mail.kernel.org ([198.145.29.99]:48296 "EHLO mail.kernel.org"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S2404262AbgKZRzW (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Thu, 26 Nov 2020 12:55:22 -0500
Received: from sol.localdomain (172-10-235-113.lightspeed.sntcca.sbcglobal.net [172.10.235.113])
        (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 66B4420665;
        Thu, 26 Nov 2020 17:55:22 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;
        s=default; t=1606413322;
        bh=JAgoZA3nJogzefKO2GKhKaCZwMcQOntnimDPGPW9vKk=;
        h=Date:From:To:Cc:Subject:References:In-Reply-To:From;
        b=SGPeDVKGxyAJUNpfcCMqrvpwHiq00QbykinOkr099+Y/RPNJCxRgDVOzuVWx9+R6L
         fC9tC7d1vdiHGqHLE0kW1kwxCkHFtGSkM200y+bmE9gmhdkn3dTXH9XAx/0uY4N6CT
         3JkIHs9ACcQ9nPWW66lNk7ikX6lcsvg2vmG1YEic=
Date:   Thu, 26 Nov 2020 09:55:20 -0800
From:   Eric Biggers <ebiggers@kernel.org>
To:     Chao Yu <yuchao0@huawei.com>
Cc:     jaegeuk@kernel.org, linux-kernel@vger.kernel.org,
        linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: compress: add compress_inode to
 cache compressed blocks
Message-ID: <X7/sCLnVPOjkC9DI@sol.localdomain>
References: <20201126103709.80006-1-yuchao0@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20201126103709.80006-1-yuchao0@huawei.com>
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

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 <yuchao0@huawei.com>

If the file is also encrypted, are the compressed pages that are cached still
encrypted, or are they decrypted?

- Eric