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dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=virtuozzo.com; Received: from AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) by AM5PR0802MB2451.eurprd08.prod.outlook.com (2603:10a6:203:9d::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3391.15; Tue, 22 Sep 2020 17:53:58 +0000 Received: from AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::b179:9641:7589:d692]) by AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::b179:9641:7589:d692%8]) with mapi id 15.20.3370.033; Tue, 22 Sep 2020 17:53:58 +0000 Subject: Re: [PATCH v2 2/2] block: deprecate the sheepdog block driver To: =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= , qemu-devel@nongnu.org Cc: Kevin Wolf , Thomas Huth , sheepdog@lists.wpkg.org, qemu-block@nongnu.org, libvir-list@redhat.com, Markus Armbruster , Max Reitz , Liu Yuan References: <20200922161611.2049616-1-berrange@redhat.com> <20200922161611.2049616-3-berrange@redhat.com> From: Vladimir Sementsov-Ogievskiy Message-ID: Date: Tue, 22 Sep 2020 20:53:56 +0300 User-Agent: Mozilla/5.0 (X11; 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envelope-from=vsementsov@virtuozzo.com; helo=EUR05-AM6-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/22 13:53:58 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 22.09.2020 19:16, Daniel P. Berrangé wrote: > This thread from a little over a year ago: > > http://lists.wpkg.org/pipermail/sheepdog/2019-March/thread.html > > states that sheepdog is no longer actively developed. The only mentioned > users are some companies who are said to have it for legacy reasons with > plans to replace it by Ceph. There is talk about cutting out existing > features to turn it into a simple demo of how to write a distributed > block service. There is no evidence of anyone working on that idea: > > https://github.com/sheepdog/sheepdog/commits/master > > No real commits to git since Jan 2018, and before then just some minor > technical debt cleanup.. > > There is essentially no activity on the mailing list aside from > patches to QEMU that get CC'd due to our MAINTAINERS entry. > > Fedora packages for sheepdog failed to build from upstream source > because of the more strict linker that no longer merges duplicate > global symbols. Fedora patches it to add the missing "extern" > annotations and presumably other distros do to, but upstream source > remains broken. > > There is only basic compile testing, no functional testing of the > driver. > > Since there are no build pre-requisites the sheepdog driver is currently > enabled unconditionally. This would result in configure issuing a > deprecation warning by default for all users. Thus the configure default > is changed to disable it, requiring users to pass --enable-sheepdog to > build the driver. > > Signed-off-by: Daniel P. Berrangé Reviewed-by: Vladimir Sementsov-Ogievskiy -- Best regards, Vladimir