Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C822C433F5 for ; Thu, 30 Dec 2021 03:29:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235353AbhL3D3n (ORCPT ); Wed, 29 Dec 2021 22:29:43 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:51122 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231751AbhL3D3m (ORCPT ); Wed, 29 Dec 2021 22:29:42 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 1D2A8B81AA0 for ; Thu, 30 Dec 2021 03:29:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6EF7CC36AE7; Thu, 30 Dec 2021 03:29:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640834979; bh=/MHAZ0T++Ohsl1IAW4FV+tbuCr4SJG0o5acbueps7WY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=etRGCZLm1ht++MQrzF50w9Jkc5Tf5JXMNnfQgMoZl5OwkQOwObdAopRt1atPPUKMY Zm6JeguIxZ0zL8wKPee0GScIGqCxw10LsqOJkrcfQrBhxxMeRtWxD2uv40R5ITUm1G oXc8/rPkVxwMBbTw35V8+GRIvMDGdv3nh0O1YN9qbmItXf+AisdILAzg8MfpSwiKdr xzEkuL2CPQruU9ubCrS1myB9FaVM32MpjdmpNkFo3KtmcjBcvo41ed6dCYiwfcrpkr 20mtE5yuXXU0ymGva5D9sNX03qG1tZVbu775vBS+p4RHFFsiOSrHW9tvTCbaS/EMr8 L0mtBIoLvKdYg== Message-ID: <04f184a7-3c34-0dd7-4bac-3815ebeaba10@kernel.org> Date: Thu, 30 Dec 2021 11:29:36 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [PATCH v5 4/5] erofs: support inline data decompression Content-Language: en-US To: Gao Xiang , linux-erofs@lists.ozlabs.org Cc: LKML , Yue Hu , Gao Xiang References: <20211228054604.114518-5-hsiangkao@linux.alibaba.com> <20211228232919.21413-1-xiang@kernel.org> From: Chao Yu In-Reply-To: <20211228232919.21413-1-xiang@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/12/29 7:29, Gao Xiang wrote: > From: Yue Hu > > Currently, we have already support tail-packing inline for > uncompressed file, let's also implement this for compressed > files to save I/Os and storage space. > > Different from normal pclusters, compressed data is available > in advance because of other metadata I/Os. Therefore, they > directly move into the bypass queue without extra I/O submission. > > It's the last compression feature before folio/subpage support. > > Signed-off-by: Yue Hu > Signed-off-by: Gao Xiang Reviewed-by: Chao Yu Thanks,