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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 97974C54EBD for ; Thu, 12 Jan 2023 06:56:17 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4NswLm24V9z3cf6 for ; Thu, 12 Jan 2023 17:56:16 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.alibaba.com (client-ip=115.124.30.56; helo=out30-56.freemail.mail.aliyun.com; envelope-from=jefflexu@linux.alibaba.com; receiver=) Received: from out30-56.freemail.mail.aliyun.com (out30-56.freemail.mail.aliyun.com [115.124.30.56]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4NswLh0j7dz3c4w for ; Thu, 12 Jan 2023 17:56:11 +1100 (AEDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R701e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046059;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0VZQ6pQ5_1673506559; Received: from 30.221.131.229(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0VZQ6pQ5_1673506559) by smtp.aliyun-inc.com; Thu, 12 Jan 2023 14:56:08 +0800 Message-ID: Date: Thu, 12 Jan 2023 14:55:59 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.4.0 Subject: Re: [PATCH v2 1/2] erofs: add documentation for 'domain_id' mount option From: Jingbo Xu To: xiang@kernel.org, chao@kernel.org, linux-erofs@lists.ozlabs.org References: <20230112065431.124926-1-jefflexu@linux.alibaba.com> <20230112065431.124926-2-jefflexu@linux.alibaba.com> Content-Language: en-US In-Reply-To: <20230112065431.124926-2-jefflexu@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: huyue2@coolpad.com, linux-doc@vger.kernel.org Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" cc: linux-doc@vger.kernel.org On 1/12/23 2:54 PM, Jingbo Xu wrote: > Since the EROFS share domain feature for fscache mode has been available > since Linux v6.1, let's add documentation for 'domain_id' mount option. > > Cc: linux-doc@vger.kernel.org > Reviewed-by: Jia Zhu > Signed-off-by: Jingbo Xu > --- > Documentation/filesystems/erofs.rst | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/filesystems/erofs.rst b/Documentation/filesystems/erofs.rst > index 067fd1670b1f..a43aacf1494e 100644 > --- a/Documentation/filesystems/erofs.rst > +++ b/Documentation/filesystems/erofs.rst > @@ -120,6 +120,8 @@ dax={always,never} Use direct access (no page cache). See > dax A legacy option which is an alias for ``dax=always``. > device=%s Specify a path to an extra device to be used together. > fsid=%s Specify a filesystem image ID for Fscache back-end. > +domain_id=%s Specify a domain ID in fscache mode so that different images > + with the same blobs under a given domain ID can share storage. > =================== ========================================================= > > Sysfs Entries -- Thanks, Jingbo