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Wong" Cc: Christoph Hellwig , Dave Chinner , chandan.babu@oracle.com, dchinner@redhat.com, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, catherine.hoang@oracle.com, martin.petersen@oracle.com, Matthew Wilcox References: <20240705162450.3481169-1-john.g.garry@oracle.com> <20240705162450.3481169-8-john.g.garry@oracle.com> <20240711025958.GJ612460@frogsfrogsfrogs> <0c502dd9-7108-4d5f-9337-16b3c0952c04@oracle.com> <20240723144159.GB20891@lst.de> <2fd991cc-8f29-47ce-a78a-c11c79d74e07@oracle.com> <20240723222603.GS612460@frogsfrogsfrogs> Content-Language: en-US From: John Garry Organization: Oracle Corporation In-Reply-To: <20240723222603.GS612460@frogsfrogsfrogs> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: LO2P265CA0362.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:a3::14) To DM6PR10MB4313.namprd10.prod.outlook.com (2603:10b6:5:212::20) Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6PR10MB4313:EE_|CH3PR10MB7257:EE_ X-MS-Office365-Filtering-Correlation-Id: 982c1573-1470-4ca3-d970-08dcad7d425e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|366016|1800799024; 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And so very >> different to how I was going to individual treat inodes which happen to be >> forcealign and reflink, above. >> >> So I was asking guidance when whether that approach (for RT and forcealign) >> is sound. > I reiterate: don't allow mounting of (forcealign && reflink) or > (forcealign && rtextsize > 1) filesystems, and then you and I can work > on figuring out the rest. I'm fine with that approach for forcealign && reflink (no mounting). As for forcealign && rtextsize > 1 it seems to be working for me. That is with not too many changes, so maybe we can go with this support initially. Personally I'd rather not, as testing may be spread too thin. Anyway, I'll send the patches early next week and we can make the judgement then.