Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754835AbeALKvt (ORCPT + 1 other); Fri, 12 Jan 2018 05:51:49 -0500 Received: from lilium.sigma-star.at ([109.75.188.150]:38198 "EHLO lilium.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754555AbeALKvs (ORCPT ); Fri, 12 Jan 2018 05:51:48 -0500 X-Greylist: delayed 405 seconds by postgrey-1.27 at vger.kernel.org; Fri, 12 Jan 2018 05:51:48 EST From: Richard Weinberger To: Yufen Yu Cc: dedekind1@gmail.com, adrian.hunter@intel.com, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org Subject: Re: [RFC PATCH] ubifs: Add zstd support Date: Fri, 12 Jan 2018 11:45:49 +0100 Message-ID: <7790203.HFZG64yrZx@blindfold> In-Reply-To: <20180112092421.22095-1-yuyufen@huawei.com> References: <20180112092421.22095-1-yuyufen@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: Yufen Yu, Am Freitag, 12. Januar 2018, 10:24:21 CET schrieb Yufen Yu: > Add zstd compression and decompression support to ubifs. zstd at its > fastest level compresses almost as well as zlib, while offering much > faster compression and decompression, approaching lzo speeds. > > This patch is based on the patch: > https://patchwork.kernel.org/patch/9892631/ > > zstd source repository: https://github.com/facebook/zstd Do you have numbers on how much we gain for UBIFS on a typical embedded device? Thanks, //richard