From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com ([192.55.52.93]:24328 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751242AbdAMVk3 (ORCPT ); Fri, 13 Jan 2017 16:40:29 -0500 From: "Verma, Vishal L" To: "lsf-pc@lists.linux-foundation.org" CC: "linux-nvdimm@lists.01.org" , "linux-block@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" Subject: [LSF/MM TOPIC] Badblocks checking/representation in filesystems Date: Fri, 13 Jan 2017 21:40:26 +0000 Message-ID: <1484343558.4358.26.camel@intel.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org VGhlIGN1cnJlbnQgaW1wbGVtZW50YXRpb24gb2YgYmFkYmxvY2tzLCB3aGVyZSB3ZSBjb25zdWx0 IHRoZSBiYWRibG9ja3MNCmxpc3QgZm9yIGV2ZXJ5IElPIGluIHRoZSBibG9jayBkcml2ZXIgd29y a3MsIGFuZCBpcyBhIGxhc3Qgb3B0aW9uDQpmYWlsc2FmZSwgYnV0IGZyb20gYSB1c2VyIHBlcnNw ZWN0aXZlLCBpdCBpc24ndCB0aGUgZWFzaWVzdCBpbnRlcmZhY2UgdG8NCndvcmsgd2l0aC4NCg0K QSB3aGlsZSBiYWNrLCBEYXZlIENoaW5uZXIgaGFkIHN1Z2dlc3RlZCBhIG1vdmUgdG93YXJkcyBz bWFydGVyDQpoYW5kbGluZywgYW5kIEkgcG9zdGVkIGluaXRpYWwgUkZDIHBhdGNoZXMgWzFdLCBi dXQgc2luY2UgdGhlbiB0aGUgdG9waWMNCmhhc24ndCByZWFsbHkgbW92ZWQgZm9yd2FyZC4NCg0K SSdkIGxpa2UgdG8gcHJvcG9zZSBhbmQgaGF2ZSBhIGRpc2N1c3Npb24gYWJvdXQgdGhlIGZvbGxv d2luZyBuZXcNCmZ1bmN0aW9uYWxpdHk6DQoNCjEuIEZpbGVzeXN0ZW1zIGRldmVsb3AgYSBuYXRp dmUgcmVwcmVzZW50YXRpb24gb2YgYmFkYmxvY2tzLiBGb3INCmV4YW1wbGUsIGluIHhmcywgdGhp cyB3b3VsZCAocHJlc3VtYWJseSkgYmUgbGlua2VkIHRvIHRoZSByZXZlcnNlDQptYXBwaW5nIGJ0 cmVlLiBUaGUgZmlsZXN5c3RlbSByZXByZXNlbnRhdGlvbiBoYXMgdGhlIHBvdGVudGlhbCB0byBi ZcKgDQptb3JlIGVmZmljaWVudCB0aGFuIHRoZSBibG9jayBkcml2ZXIgZG9pbmcgdGhlIGNoZWNr LCBhcyB0aGUgZnMgY2FuDQpjaGVjayB0aGUgSU8gaGFwcGVuaW5nIG9uIGEgZmlsZSBhZ2FpbnN0 IGp1c3QgdGhhdCBmaWxlJ3MgcmFuZ2UuIEluDQpjb250cmFzdCwgdG9kYXksIHRoZSBibG9jayBk cml2ZXIgY2hlY2tzIGFnYWluc3QgdGhlIHdob2xlIGJsb2NrIGRldmljZQ0KcmFuZ2UgZm9yIGV2 ZXJ5IElPLiBPbiBlbmNvdW50ZXJpbmcgYmFkYmxvY2tzLCB0aGUgZmlsZXN5c3RlbSBjYW4NCmdl bmVyYXRlIGEgYmV0dGVyIG5vdGlmaWNhdGlvbi9lcnJvciBtZXNzYWdlIHRoYXQgcG9pbnRzIHRo ZSB1c2VyIHRvwqANCihmaWxlLCBvZmZzZXQpIGFzIG9wcG9zZWQgdG8gdGhlIGJsb2NrIGRyaXZl ciwgd2hpY2ggY2FuIG9ubHkgcHJvdmlkZQ0KKGJsb2NrLWRldmljZSwgc2VjdG9yKS4NCg0KMi4g VGhlIGJsb2NrIGxheWVyIGFkZHMgYSBub3RpZmllciB0byBiYWRibG9jayBhZGRpdGlvbi9yZW1v dmFsDQpvcGVyYXRpb25zLCB3aGljaCB0aGUgZmlsZXN5c3RlbSBzdWJzY3JpYmVzIHRvLCBhbmQg dXNlcyB0byBtYWludGFpbiBpdHMNCmJhZGJsb2NrcyBhY2NvdW50aW5nLiAoVGhpcyBwYXJ0IGlz IGltcGxlbWVudGVkIGFzIGEgcHJvb2Ygb2YgY29uY2VwdCBpbg0KdGhlIFJGQyBtZW50aW9uZWQg YWJvdmUgWzFdKS4NCg0KMy4gVGhlIGZpbGVzeXN0ZW0gaGFzIGEgd2F5IG9mIHRlbGxpbmcgdGhl IGJsb2NrIGRyaXZlciAoYSBmbGFnPyBhDQpkaWZmZXJlbnQvbmV3IGludGVyZmFjZT8pIHRoYXQg aXQgaXMgcmVzcG9uc2libGUgZm9yIGJhZGJsb2NrIGNoZWNraW5nDQpzbyB0aGF0IHRoZSBkcml2 ZXIgZG9lc24ndCBoYXZlIHRvIGRvIGl0cyBjaGVjay4gVGhlIGRyaXZlciBjaGVja2luZw0Kd2ls bCBoYXZlIHRvIHJlbWFpbiBpbiBwbGFjZSBhcyBhIGNhdGNoLWFsbCBmb3IgZmlsZXN5c3RlbXMv aW50ZXJmYWNlcw0KdGhhdCBkb24ndCBvciBhcmVuJ3QgY2FwYWJsZSBvZiBkb2luZyB0aGUgY2hl Y2tzIGF0IGEgaGlnaGVyIGxheWVyLg0KDQoNCkFkZGl0aW9uYWxseSwgSSBzYXcgc29tZSBkaXNj dXNzaW9uIGFib3V0IGxvZ2ljYWwgZGVwb3Agb24gdGhlIGxpc3RzDQphZ2FpbiwgYW5kIEkgd2Fz IGludm9sdmVkIHdpdGggZGlzY3Vzc2lvbnMgbGFzdCB5ZWFyIGFib3V0IGV4cGFuZGluZyB0aGUN CnRoZSBiYWRibG9ja3MgaW5mcmFzdHJ1Y3R1cmUgZm9yIHRoaXMgdXNlLiBJZiB0aGF0IGlzIGEg dG9waWMgYWdhaW4gdGhpcw0KeWVhciwgSSdkIGxpa2UgdG8gYmUgaW52b2x2ZWQgaW4gaXQgdG9v Lg0KDQpJJ20gYWxzbyBpbnRlcmVzdGVkIGluIHBhcnRpY2lwYXRpbmcgaW4gYW55IG90aGVyIHBt ZW0vTlZESU1NIHJlbGF0ZWQNCmRpc2N1c3Npb25zLg0KDQoNClRoYW5rIHlvdSwNCgktVmlzaGFs DQoNCg0KWzFdOiBodHRwOi8vd3d3LmxpbnV4LnNnaS5jb20vYXJjaGl2ZXMveGZzLzIwMTYtMDYv bXNnMDAyOTkuaHRtbA== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 44ECB81C64 for ; Fri, 13 Jan 2017 13:40:28 -0800 (PST) From: "Verma, Vishal L" Subject: [LSF/MM TOPIC] Badblocks checking/representation in filesystems Date: Fri, 13 Jan 2017 21:40:26 +0000 Message-ID: <1484343558.4358.26.camel@intel.com> Content-Language: en-US Content-ID: MIME-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: "lsf-pc@lists.linux-foundation.org" Cc: "linux-block@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-nvdimm@lists.01.org" List-ID: VGhlIGN1cnJlbnQgaW1wbGVtZW50YXRpb24gb2YgYmFkYmxvY2tzLCB3aGVyZSB3ZSBjb25zdWx0 IHRoZSBiYWRibG9ja3MNCmxpc3QgZm9yIGV2ZXJ5IElPIGluIHRoZSBibG9jayBkcml2ZXIgd29y a3MsIGFuZCBpcyBhIGxhc3Qgb3B0aW9uDQpmYWlsc2FmZSwgYnV0IGZyb20gYSB1c2VyIHBlcnNw ZWN0aXZlLCBpdCBpc24ndCB0aGUgZWFzaWVzdCBpbnRlcmZhY2UgdG8NCndvcmsgd2l0aC4NCg0K QSB3aGlsZSBiYWNrLCBEYXZlIENoaW5uZXIgaGFkIHN1Z2dlc3RlZCBhIG1vdmUgdG93YXJkcyBz bWFydGVyDQpoYW5kbGluZywgYW5kIEkgcG9zdGVkIGluaXRpYWwgUkZDIHBhdGNoZXMgWzFdLCBi dXQgc2luY2UgdGhlbiB0aGUgdG9waWMNCmhhc24ndCByZWFsbHkgbW92ZWQgZm9yd2FyZC4NCg0K SSdkIGxpa2UgdG8gcHJvcG9zZSBhbmQgaGF2ZSBhIGRpc2N1c3Npb24gYWJvdXQgdGhlIGZvbGxv d2luZyBuZXcNCmZ1bmN0aW9uYWxpdHk6DQoNCjEuIEZpbGVzeXN0ZW1zIGRldmVsb3AgYSBuYXRp dmUgcmVwcmVzZW50YXRpb24gb2YgYmFkYmxvY2tzLiBGb3INCmV4YW1wbGUsIGluIHhmcywgdGhp cyB3b3VsZCAocHJlc3VtYWJseSkgYmUgbGlua2VkIHRvIHRoZSByZXZlcnNlDQptYXBwaW5nIGJ0 cmVlLiBUaGUgZmlsZXN5c3RlbSByZXByZXNlbnRhdGlvbiBoYXMgdGhlIHBvdGVudGlhbCB0byBi ZcKgDQptb3JlIGVmZmljaWVudCB0aGFuIHRoZSBibG9jayBkcml2ZXIgZG9pbmcgdGhlIGNoZWNr LCBhcyB0aGUgZnMgY2FuDQpjaGVjayB0aGUgSU8gaGFwcGVuaW5nIG9uIGEgZmlsZSBhZ2FpbnN0 IGp1c3QgdGhhdCBmaWxlJ3MgcmFuZ2UuIEluDQpjb250cmFzdCwgdG9kYXksIHRoZSBibG9jayBk cml2ZXIgY2hlY2tzIGFnYWluc3QgdGhlIHdob2xlIGJsb2NrIGRldmljZQ0KcmFuZ2UgZm9yIGV2 ZXJ5IElPLiBPbiBlbmNvdW50ZXJpbmcgYmFkYmxvY2tzLCB0aGUgZmlsZXN5c3RlbSBjYW4NCmdl bmVyYXRlIGEgYmV0dGVyIG5vdGlmaWNhdGlvbi9lcnJvciBtZXNzYWdlIHRoYXQgcG9pbnRzIHRo ZSB1c2VyIHRvwqANCihmaWxlLCBvZmZzZXQpIGFzIG9wcG9zZWQgdG8gdGhlIGJsb2NrIGRyaXZl ciwgd2hpY2ggY2FuIG9ubHkgcHJvdmlkZQ0KKGJsb2NrLWRldmljZSwgc2VjdG9yKS4NCg0KMi4g VGhlIGJsb2NrIGxheWVyIGFkZHMgYSBub3RpZmllciB0byBiYWRibG9jayBhZGRpdGlvbi9yZW1v dmFsDQpvcGVyYXRpb25zLCB3aGljaCB0aGUgZmlsZXN5c3RlbSBzdWJzY3JpYmVzIHRvLCBhbmQg dXNlcyB0byBtYWludGFpbiBpdHMNCmJhZGJsb2NrcyBhY2NvdW50aW5nLiAoVGhpcyBwYXJ0IGlz IGltcGxlbWVudGVkIGFzIGEgcHJvb2Ygb2YgY29uY2VwdCBpbg0KdGhlIFJGQyBtZW50aW9uZWQg YWJvdmUgWzFdKS4NCg0KMy4gVGhlIGZpbGVzeXN0ZW0gaGFzIGEgd2F5IG9mIHRlbGxpbmcgdGhl IGJsb2NrIGRyaXZlciAoYSBmbGFnPyBhDQpkaWZmZXJlbnQvbmV3IGludGVyZmFjZT8pIHRoYXQg aXQgaXMgcmVzcG9uc2libGUgZm9yIGJhZGJsb2NrIGNoZWNraW5nDQpzbyB0aGF0IHRoZSBkcml2 ZXIgZG9lc24ndCBoYXZlIHRvIGRvIGl0cyBjaGVjay4gVGhlIGRyaXZlciBjaGVja2luZw0Kd2ls bCBoYXZlIHRvIHJlbWFpbiBpbiBwbGFjZSBhcyBhIGNhdGNoLWFsbCBmb3IgZmlsZXN5c3RlbXMv aW50ZXJmYWNlcw0KdGhhdCBkb24ndCBvciBhcmVuJ3QgY2FwYWJsZSBvZiBkb2luZyB0aGUgY2hl Y2tzIGF0IGEgaGlnaGVyIGxheWVyLg0KDQoNCkFkZGl0aW9uYWxseSwgSSBzYXcgc29tZSBkaXNj dXNzaW9uIGFib3V0IGxvZ2ljYWwgZGVwb3Agb24gdGhlIGxpc3RzDQphZ2FpbiwgYW5kIEkgd2Fz IGludm9sdmVkIHdpdGggZGlzY3Vzc2lvbnMgbGFzdCB5ZWFyIGFib3V0IGV4cGFuZGluZyB0aGUN CnRoZSBiYWRibG9ja3MgaW5mcmFzdHJ1Y3R1cmUgZm9yIHRoaXMgdXNlLiBJZiB0aGF0IGlzIGEg dG9waWMgYWdhaW4gdGhpcw0KeWVhciwgSSdkIGxpa2UgdG8gYmUgaW52b2x2ZWQgaW4gaXQgdG9v Lg0KDQpJJ20gYWxzbyBpbnRlcmVzdGVkIGluIHBhcnRpY2lwYXRpbmcgaW4gYW55IG90aGVyIHBt ZW0vTlZESU1NIHJlbGF0ZWQNCmRpc2N1c3Npb25zLg0KDQoNClRoYW5rIHlvdSwNCgktVmlzaGFs DQoNCg0KWzFdOiBodHRwOi8vd3d3LmxpbnV4LnNnaS5jb20vYXJjaGl2ZXMveGZzLzIwMTYtMDYv bXNnMDAyOTkuaHRtbApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpMaW51eC1udmRpbW0gbWFpbGluZyBsaXN0CkxpbnV4LW52ZGltbUBsaXN0cy4wMS5vcmcK aHR0cHM6Ly9saXN0cy4wMS5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1udmRpbW0K From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com ([192.55.52.93]:24328 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751242AbdAMVk3 (ORCPT ); Fri, 13 Jan 2017 16:40:29 -0500 From: "Verma, Vishal L" To: "lsf-pc@lists.linux-foundation.org" CC: "linux-nvdimm@lists.01.org" , "linux-block@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" Subject: [LSF/MM TOPIC] Badblocks checking/representation in filesystems Date: Fri, 13 Jan 2017 21:40:26 +0000 Message-ID: <1484343558.4358.26.camel@intel.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: VGhlIGN1cnJlbnQgaW1wbGVtZW50YXRpb24gb2YgYmFkYmxvY2tzLCB3aGVyZSB3ZSBjb25zdWx0 IHRoZSBiYWRibG9ja3MNCmxpc3QgZm9yIGV2ZXJ5IElPIGluIHRoZSBibG9jayBkcml2ZXIgd29y a3MsIGFuZCBpcyBhIGxhc3Qgb3B0aW9uDQpmYWlsc2FmZSwgYnV0IGZyb20gYSB1c2VyIHBlcnNw ZWN0aXZlLCBpdCBpc24ndCB0aGUgZWFzaWVzdCBpbnRlcmZhY2UgdG8NCndvcmsgd2l0aC4NCg0K QSB3aGlsZSBiYWNrLCBEYXZlIENoaW5uZXIgaGFkIHN1Z2dlc3RlZCBhIG1vdmUgdG93YXJkcyBz bWFydGVyDQpoYW5kbGluZywgYW5kIEkgcG9zdGVkIGluaXRpYWwgUkZDIHBhdGNoZXMgWzFdLCBi dXQgc2luY2UgdGhlbiB0aGUgdG9waWMNCmhhc24ndCByZWFsbHkgbW92ZWQgZm9yd2FyZC4NCg0K SSdkIGxpa2UgdG8gcHJvcG9zZSBhbmQgaGF2ZSBhIGRpc2N1c3Npb24gYWJvdXQgdGhlIGZvbGxv d2luZyBuZXcNCmZ1bmN0aW9uYWxpdHk6DQoNCjEuIEZpbGVzeXN0ZW1zIGRldmVsb3AgYSBuYXRp dmUgcmVwcmVzZW50YXRpb24gb2YgYmFkYmxvY2tzLiBGb3INCmV4YW1wbGUsIGluIHhmcywgdGhp cyB3b3VsZCAocHJlc3VtYWJseSkgYmUgbGlua2VkIHRvIHRoZSByZXZlcnNlDQptYXBwaW5nIGJ0 cmVlLiBUaGUgZmlsZXN5c3RlbSByZXByZXNlbnRhdGlvbiBoYXMgdGhlIHBvdGVudGlhbCB0byBi ZcKgDQptb3JlIGVmZmljaWVudCB0aGFuIHRoZSBibG9jayBkcml2ZXIgZG9pbmcgdGhlIGNoZWNr LCBhcyB0aGUgZnMgY2FuDQpjaGVjayB0aGUgSU8gaGFwcGVuaW5nIG9uIGEgZmlsZSBhZ2FpbnN0 IGp1c3QgdGhhdCBmaWxlJ3MgcmFuZ2UuIEluDQpjb250cmFzdCwgdG9kYXksIHRoZSBibG9jayBk cml2ZXIgY2hlY2tzIGFnYWluc3QgdGhlIHdob2xlIGJsb2NrIGRldmljZQ0KcmFuZ2UgZm9yIGV2 ZXJ5IElPLiBPbiBlbmNvdW50ZXJpbmcgYmFkYmxvY2tzLCB0aGUgZmlsZXN5c3RlbSBjYW4NCmdl bmVyYXRlIGEgYmV0dGVyIG5vdGlmaWNhdGlvbi9lcnJvciBtZXNzYWdlIHRoYXQgcG9pbnRzIHRo ZSB1c2VyIHRvwqANCihmaWxlLCBvZmZzZXQpIGFzIG9wcG9zZWQgdG8gdGhlIGJsb2NrIGRyaXZl ciwgd2hpY2ggY2FuIG9ubHkgcHJvdmlkZQ0KKGJsb2NrLWRldmljZSwgc2VjdG9yKS4NCg0KMi4g VGhlIGJsb2NrIGxheWVyIGFkZHMgYSBub3RpZmllciB0byBiYWRibG9jayBhZGRpdGlvbi9yZW1v dmFsDQpvcGVyYXRpb25zLCB3aGljaCB0aGUgZmlsZXN5c3RlbSBzdWJzY3JpYmVzIHRvLCBhbmQg dXNlcyB0byBtYWludGFpbiBpdHMNCmJhZGJsb2NrcyBhY2NvdW50aW5nLiAoVGhpcyBwYXJ0IGlz IGltcGxlbWVudGVkIGFzIGEgcHJvb2Ygb2YgY29uY2VwdCBpbg0KdGhlIFJGQyBtZW50aW9uZWQg YWJvdmUgWzFdKS4NCg0KMy4gVGhlIGZpbGVzeXN0ZW0gaGFzIGEgd2F5IG9mIHRlbGxpbmcgdGhl IGJsb2NrIGRyaXZlciAoYSBmbGFnPyBhDQpkaWZmZXJlbnQvbmV3IGludGVyZmFjZT8pIHRoYXQg aXQgaXMgcmVzcG9uc2libGUgZm9yIGJhZGJsb2NrIGNoZWNraW5nDQpzbyB0aGF0IHRoZSBkcml2 ZXIgZG9lc24ndCBoYXZlIHRvIGRvIGl0cyBjaGVjay4gVGhlIGRyaXZlciBjaGVja2luZw0Kd2ls bCBoYXZlIHRvIHJlbWFpbiBpbiBwbGFjZSBhcyBhIGNhdGNoLWFsbCBmb3IgZmlsZXN5c3RlbXMv aW50ZXJmYWNlcw0KdGhhdCBkb24ndCBvciBhcmVuJ3QgY2FwYWJsZSBvZiBkb2luZyB0aGUgY2hl Y2tzIGF0IGEgaGlnaGVyIGxheWVyLg0KDQoNCkFkZGl0aW9uYWxseSwgSSBzYXcgc29tZSBkaXNj dXNzaW9uIGFib3V0IGxvZ2ljYWwgZGVwb3Agb24gdGhlIGxpc3RzDQphZ2FpbiwgYW5kIEkgd2Fz IGludm9sdmVkIHdpdGggZGlzY3Vzc2lvbnMgbGFzdCB5ZWFyIGFib3V0IGV4cGFuZGluZyB0aGUN CnRoZSBiYWRibG9ja3MgaW5mcmFzdHJ1Y3R1cmUgZm9yIHRoaXMgdXNlLiBJZiB0aGF0IGlzIGEg dG9waWMgYWdhaW4gdGhpcw0KeWVhciwgSSdkIGxpa2UgdG8gYmUgaW52b2x2ZWQgaW4gaXQgdG9v Lg0KDQpJJ20gYWxzbyBpbnRlcmVzdGVkIGluIHBhcnRpY2lwYXRpbmcgaW4gYW55IG90aGVyIHBt ZW0vTlZESU1NIHJlbGF0ZWQNCmRpc2N1c3Npb25zLg0KDQoNClRoYW5rIHlvdSwNCgktVmlzaGFs DQoNCg0KWzFdOiBodHRwOi8vd3d3LmxpbnV4LnNnaS5jb20vYXJjaGl2ZXMveGZzLzIwMTYtMDYv bXNnMDAyOTkuaHRtbA==