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Wong" , Alison Schofield CC: David Hildenbrand , , , , , Alexander Viro , "Christian Brauner" , Jan Kara , Dan Williams , Matthew Wilcox , "Alistair Popple" , Christoph Hellwig Subject: Re: [PATCH v1] fs/dax: fix folio splitting issue by resetting old folio order + _nr_pages Message-ID: <680142129141c_130fd294f7@dwillia2-mobl3.amr.corp.intel.com.notmuch> References: <20250410091020.119116-1-david@redhat.com> <20250417034406.GF25659@frogsfrogsfrogs> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250417034406.GF25659@frogsfrogsfrogs> X-ClientProxiedBy: MW4P220CA0007.NAMP220.PROD.OUTLOOK.COM (2603:10b6:303:115::12) To PH8PR11MB8107.namprd11.prod.outlook.com (2603:10b6:510:256::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH8PR11MB8107:EE_|PH7PR11MB6380:EE_ X-MS-Office365-Filtering-Correlation-Id: 7f048be8-4332-4505-5648-08dd7dd9f1cf X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|1800799024|366016|376014; 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Wong wrote: > On Thu, Apr 10, 2025 at 12:12:33PM -0700, Alison Schofield wrote: > > On Thu, Apr 10, 2025 at 11:10:20AM +0200, David Hildenbrand wrote: > > > Alison reports an issue with fsdax when large extends end up using > > > large ZONE_DEVICE folios: > > > > > > > Passes the ndctl/dax unit tests. > > > > Tested-by: Alison Schofield > > This fixes the crash I complained about here: > https://lore.kernel.org/linux-fsdevel/20250417030143.GO25675@frogsfrogsfrogs/T/ > > Can we get a fix queued up for -rc3 if it hasn't been already, please? > > Tested-by: "Darrick J. Wong" Andrew, please pick this up, I have nothing else pending in the dax area.