From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: RE: [PATCH v2 2/9] ext2: tell DAX the size of allocation holes Date: Sat, 10 Sep 2016 07:33:18 +0000 Message-ID: References: <20160823220419.11717-1-ross.zwisler@linux.intel.com> <20160823220419.11717-3-ross.zwisler@linux.intel.com> <20160825075728.GA11235@infradead.org> <20160826212934.GA11265@linux.intel.com> <20160829074116.GA16491@infradead.org> <20160829125741.cdnbb2uaditcmnw2@thunk.org> <20160909164808.GC18554@linux.intel.com> <20160910073012.GA5295@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20160910073012.GA5295@infradead.org> Content-Language: en-US Sender: owner-linux-mm@kvack.org To: Christoph Hellwig Cc: Ross Zwisler , Theodore Ts'o , "linux-kernel@vger.kernel.org" , Andrew Morton , "linux-nvdimm@ml01.01.org" , Dave Chinner , "linux-mm@kvack.org" , Andreas Dilger , Alexander Viro , Jan Kara , "linux-fsdevel@vger.kernel.org" , "linux-ext4@vger.kernel.org" List-Id: linux-nvdimm@lists.01.org From: Christoph Hellwig [mailto:hch@infradead.org] > The mail is basically unparsable (hint: you can use a sane mailer even wi= th > exchange servers :)). That rather depends on how the Exchange servers are configured ... this isn= 't the appropriate place to discuss IT issues though. > Either way we need to get rid of buffer_heads, and another aop that is en= tirely > caller specific is unaceptable. That being said your idea doesn't sounds > unreasonable, but will require a bit more work and has no real short-term > need. So your proposal is to remove buffer_heads from ext2? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754687AbcIJHdX (ORCPT ); Sat, 10 Sep 2016 03:33:23 -0400 Received: from mail-sn1nam01on0094.outbound.protection.outlook.com ([104.47.32.94]:54550 "EHLO NAM01-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752933AbcIJHdV (ORCPT ); Sat, 10 Sep 2016 03:33:21 -0400 From: Matthew Wilcox To: Christoph Hellwig CC: Ross Zwisler , "Theodore Ts'o" , "linux-kernel@vger.kernel.org" , Andrew Morton , "linux-nvdimm@ml01.01.org" , Dave Chinner , "linux-mm@kvack.org" , "Andreas Dilger" , Alexander Viro , Jan Kara , "linux-fsdevel@vger.kernel.org" , "linux-ext4@vger.kernel.org" Subject: RE: [PATCH v2 2/9] ext2: tell DAX the size of allocation holes Thread-Topic: [PATCH v2 2/9] ext2: tell DAX the size of allocation holes Thread-Index: AQHR/YpUPtTm+Y/KNkaFWHessHWGb6BZUZEAgAJ1OgCAA8+SAIAAWGiAgBGKCACAADKkYIAAw88AgAAAVDA= Date: Sat, 10 Sep 2016 07:33:18 +0000 Message-ID: References: <20160823220419.11717-1-ross.zwisler@linux.intel.com> <20160823220419.11717-3-ross.zwisler@linux.intel.com> <20160825075728.GA11235@infradead.org> <20160826212934.GA11265@linux.intel.com> <20160829074116.GA16491@infradead.org> <20160829125741.cdnbb2uaditcmnw2@thunk.org> <20160909164808.GC18554@linux.intel.com> <20160910073012.GA5295@infradead.org> In-Reply-To: <20160910073012.GA5295@infradead.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=mawilcox@microsoft.com; x-originating-ip: [108.161.120.18] x-ms-office365-filtering-correlation-id: 23b34987-668a-4c15-1000-08d3d94cbc1e x-microsoft-exchange-diagnostics: 1;DM2PR21MB0089;6:w2gvQqHKaa0Gr9eebuP/ykmrzjSklWbfyUxZilm4o4YMoNi9K0V9GqAj+UVDtl+5RcJjraGIYxwVwDpM5RvkD9go/I3TcEYu2n67Psa/KXAtllZyJ3ZPJk07IsQH44NmGmpKuypguutOISXJJ5moEcne6yXFlrw6NJeXzsysPcF+f9sAdwo5X9DsoanRTV+I0FqUzX6iAGqwGbQTxUUtNHs0csTUmRueHdcANQxHBgX5pRPPUr2UrXfPzcrXecRBfeSzp0NyFGJ2wwgGml/3tBWJV0+psXCrCDRFr0oNUdX1IBj9Boks1s6jClG/yTFcElmbvgEdv88kQJWsEXp+dQ==;5:EhtNk9B+VgFTpfzAmNDfCWmYyQk/Bou+535usNv5uX/Ya8Q2kGbpnMTwddeqi+nyYuFOEDpUgGP+fPc7s8n8wGRoRY0Vb9+eSZ9AnXsEvghxNuh1VCO8N2szO1a+dARKQtHyjPWy4jRqSfaFhmtXxw==;24:nriAQSj/uhBJ/uyAfFUV2zlBVHbeJz35vbj/32YfZoGmH9MMJ/KHIyrx3Oy0E+EKQ0E24f5nKq7lsQpUKAiMBKMX5J2/bj/vRtSKDIvXRnA=;7:DZVwUT+EpElkhsCnr0C+U9jKiixofY8ULKB2CmskRzs2ouhHB+/AuoLukdZMpSYzKR4knl5ZVwOcCXe2Gj2Vvk7JTIJAUJyeKxQo+IPbmPm61sNa6of528tyycGVleJrTK6Ay7k1v4oEVF+uR9vHJ4IdoJBUxEDa8u8fmH/RtjzO05+CfMNY/h4nW+aQeLVdTUC1lWboK8SCiRX3klA6XQ23P5256f5ZUQ+D/HbzXpPtu8w+Td1XFxSK6Ki1Ub+Y x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:DM2PR21MB0089; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(61425038)(6040176)(601004)(2401047)(8121501046)(5005006)(3002001)(10201501046)(6055026)(61426038)(61427038);SRVR:DM2PR21MB0089;BCL:0;PCL:0;RULEID:;SRVR:DM2PR21MB0089; x-forefront-prvs: 0061C35778 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(6009001)(7916002)(189002)(199003)(122556002)(33656002)(561944003)(10290500002)(106116001)(10400500002)(92566002)(101416001)(2900100001)(54356999)(68736007)(76176999)(50986999)(105586002)(2950100001)(99286002)(106356001)(110136002)(7736002)(5005710100001)(7846002)(7416002)(305945005)(19580395003)(8990500004)(189998001)(19580405001)(5002640100001)(10090500001)(74316002)(5660300001)(87936001)(8676002)(86362001)(11100500001)(86612001)(81166006)(81156014)(93886004)(3280700002)(8936002)(77096005)(3660700001)(7696004)(586003)(9686002)(2906002)(66066001)(97736004)(76576001)(3846002)(102836003)(6116002)(4326007);DIR:OUT;SFP:1102;SCL:1;SRVR:DM2PR21MB0089;H:DM2PR21MB0089.namprd21.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;MX:1;A:1;LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Sep 2016 07:33:18.5409 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM2PR21MB0089 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id u8A7XR3b005899 From: Christoph Hellwig [mailto:hch@infradead.org] > The mail is basically unparsable (hint: you can use a sane mailer even with > exchange servers :)). That rather depends on how the Exchange servers are configured ... this isn't the appropriate place to discuss IT issues though. > Either way we need to get rid of buffer_heads, and another aop that is entirely > caller specific is unaceptable. That being said your idea doesn't sounds > unreasonable, but will require a bit more work and has no real short-term > need. So your proposal is to remove buffer_heads from ext2?