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X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgtbnZkaW1t IG1haWxpbmcgbGlzdApMaW51eC1udmRpbW1AbGlzdHMuMDEub3JnCmh0dHBzOi8vbGlzdHMuMDEu b3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbnZkaW1tCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bn1bon0148.outbound.protection.outlook.com ([157.56.111.148]:47808 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754462AbcETPs2 (ORCPT ); Fri, 20 May 2016 11:48:28 -0400 From: "Kani, Toshimitsu" To: "lkp@intel.com" , "arnd@arndb.de" CC: "Parrish, Micah (HP Servers Linux R&D)" , "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "hch@infradead.org" , "adilger.kernel@dilger.ca" , "viro@zeniv.linux.org.uk" , "dan.j.williams@intel.com" , "axboe@fb.com" , "linux-nvdimm@lists.01.org" , "kbuild-all@01.org" , "linux-fsdevel@vger.kernel.org" , "ross.zwisler@linux.intel.com" , "tytso@mit.edu" , "boaz@plexistor.com" , "david@fromorbit.com" , "jack@suse.cz" Subject: Re: [PATCH] remove unused blkdev_dax_capable() function Date: Fri, 20 May 2016 15:48:23 +0000 Message-ID: <1463758753.32042.26.camel@hpe.com> References: <201605201900.FlOCWSKP%fengguang.wu@intel.com> In-Reply-To: <201605201900.FlOCWSKP%fengguang.wu@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 RllJLCBmcy9ibG9ja19kZXYuYyBoYXMgbXVsdGlwbGUgdXBkYXRlcyBzaW5jZSB0aGVuIGluY2x1 ZGluZyB0aGUgY29kZSBpbg0KcXVlc3Rpb24uIEkganVzdCBidWlsdCB0b3QgLW5leHQgbTY0IGtl cm5lbCB3aXRoIHRoZSBhdHRhY2hlZCBjb25maWcgZmlsZSwNCmFuZCBjb25maXJtZWQgbm8gY29t cGlsZSBlcnJvciBvbiB0aGUgZmlsZS4NCi1Ub3NoaQ0KDQpPbiBGcmksIDIwMTYtMDUtMjAgYXQg MTk6MzIgKzA4MDAsIGtidWlsZCB0ZXN0IHJvYm90IHdyb3RlOg0KPiBIaSwNCj4gDQo+IFthdXRv IGJ1aWxkIHRlc3QgRVJST1Igb24gbmV4dC0yMDE2MDUxN10NCj4gW2Nhbm5vdCBhcHBseSB0byB2 NC42LXJjNyB2NC42LXJjNiB2NC42LXJjNSB2NC42XQ0KPiBbaWYgeW91ciBwYXRjaCBpcyBhcHBs 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From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756211AbcETPsa (ORCPT ); Fri, 20 May 2016 11:48:30 -0400 Received: from mail-bn1bon0148.outbound.protection.outlook.com ([157.56.111.148]:47808 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754462AbcETPs2 (ORCPT ); Fri, 20 May 2016 11:48:28 -0400 X-Greylist: delayed 3499 seconds by postgrey-1.27 at vger.kernel.org; Fri, 20 May 2016 11:48:27 EDT From: "Kani, Toshimitsu" To: "lkp@intel.com" , "arnd@arndb.de" CC: "Parrish, Micah (HP Servers Linux R&D)" , "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "hch@infradead.org" , "adilger.kernel@dilger.ca" , "viro@zeniv.linux.org.uk" , "dan.j.williams@intel.com" , "axboe@fb.com" , "linux-nvdimm@lists.01.org" , "kbuild-all@01.org" , "linux-fsdevel@vger.kernel.org" , "ross.zwisler@linux.intel.com" , "tytso@mit.edu" , "boaz@plexistor.com" , "david@fromorbit.com" , "jack@suse.cz" Subject: Re: [PATCH] remove unused blkdev_dax_capable() function Thread-Topic: [PATCH] remove unused blkdev_dax_capable() function Thread-Index: AQHRsNqAmXc8Czduckevs8JEbWa6Hp/BtN4AgABE8YA= Date: Fri, 20 May 2016 15:48:23 +0000 Message-ID: <1463758753.32042.26.camel@hpe.com> References: <201605201900.FlOCWSKP%fengguang.wu@intel.com> In-Reply-To: <201605201900.FlOCWSKP%fengguang.wu@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: intel.com; dkim=none (message not signed) header.d=none;intel.com; dmarc=none action=none header.from=hpe.com; x-originating-ip: [15.219.163.9] x-ms-office365-filtering-correlation-id: 625959cb-bdd6-4797-a09c-08d380c62cdd x-microsoft-exchange-diagnostics: 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105b2061-b669-4b31-92ac-24d304d195dc X-MS-Exchange-Transport-CrossTenantHeadersStamped: CS1PR84MB0008 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 base64 to 8bit by mail.home.local id u4KFmao7009377 FYI, fs/block_dev.c has multiple updates since then including the code in question. I just built tot -next m64 kernel with the attached config file, and confirmed no compile error on the file. -Toshi On Fri, 2016-05-20 at 19:32 +0800, kbuild test robot wrote: > Hi, > > [auto build test ERROR on next-20160517] > [cannot apply to v4.6-rc7 v4.6-rc6 v4.6-rc5 v4.6] > [if your patch is applied to the wrong git tree, please drop us a note to > help improve the system] > > url:    https://github.com/0day-ci/linux/commits/Arnd-Bergmann/remove-unu > sed-blkdev_dax_capable-function/20160518-155729 > config: m68k-allyesconfig (attached as .config) > compiler: m68k-linux-gcc (GCC) 4.9.0 > reproduce: >         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.g > it/plain/sbin/make.cross -O ~/bin/make.cross >         chmod +x ~/bin/make.cross >         # save the attached .config to linux build tree >         make.cross ARCH=m68k  > > All errors (new ones prefixed by >>): > >    fs/block_dev.c: In function '__blkdev_get': > > > > > > > > fs/block_dev.c:1242:5: error: implicit declaration of function > > > 'blkdev_dax_capable' [-Werror=implicit-function-declaration] >         if (!blkdev_dax_capable(bdev)) >         ^ >    cc1: some warnings being treated as errors > > vim +/blkdev_dax_capable +1242 fs/block_dev.c > > d3374825 NeilBrown    2009-01-09  1236   > goto restart; > d3374825 NeilBrown    2009-01-09  1237   } > 1196f8b8 Tejun Heo    2011-04-21  1238   } > 7e69723f Tejun Heo    2011-05-23  1239   > 5a023cdb Dan Williams 2015-11-30  1240   if (!ret) > { > 7e69723f Tejun Heo    2011-05-23  1241   b > d_set_size(bdev,(loff_t)get_capacity(disk)<<9); > 5a023cdb Dan Williams 2015-11-30 @1242   i > f (!blkdev_dax_capable(bdev)) > 5a023cdb Dan Williams 2015-11-30  1243   > bdev->bd_inode->i_flags &= ~S_DAX; > 5a023cdb Dan Williams 2015-11-30  1244   } > 7e69723f Tejun Heo    2011-05-23  1245   > > :::::: The code at line 1242 was first introduced by commit > :::::: 5a023cdba50c5f5f2bc351783b3131699deb3937 block: enable dax for raw > block devices > > :::::: TO: Dan Williams > :::::: CC: Dan Williams > > --- > 0-DAY kernel test infrastructure                Open Source Technology > Center > https://lists.01.org/pipermail/kbuild-all                   Intel > Corporation From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bn1bon0148.outbound.protection.outlook.com ([157.56.111.148]:47808 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754462AbcETPs2 (ORCPT ); Fri, 20 May 2016 11:48:28 -0400 From: "Kani, Toshimitsu" To: "lkp@intel.com" , "arnd@arndb.de" CC: "Parrish, Micah (HP Servers Linux R&D)" , "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "hch@infradead.org" , "adilger.kernel@dilger.ca" , "viro@zeniv.linux.org.uk" , "dan.j.williams@intel.com" , "axboe@fb.com" , "linux-nvdimm@lists.01.org" , "kbuild-all@01.org" , "linux-fsdevel@vger.kernel.org" , "ross.zwisler@linux.intel.com" , "tytso@mit.edu" , "boaz@plexistor.com" , "david@fromorbit.com" , "jack@suse.cz" Subject: Re: [PATCH] remove unused blkdev_dax_capable() function Date: Fri, 20 May 2016 15:48:23 +0000 Message-ID: <1463758753.32042.26.camel@hpe.com> References: <201605201900.FlOCWSKP%fengguang.wu@intel.com> In-Reply-To: <201605201900.FlOCWSKP%fengguang.wu@intel.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <350B145B6DF2E044922F97B943D37633@NAMPRD84.PROD.OUTLOOK.COM> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: RllJLCBmcy9ibG9ja19kZXYuYyBoYXMgbXVsdGlwbGUgdXBkYXRlcyBzaW5jZSB0aGVuIGluY2x1 ZGluZyB0aGUgY29kZSBpbg0KcXVlc3Rpb24uIEkganVzdCBidWlsdCB0b3QgLW5leHQgbTY0IGtl cm5lbCB3aXRoIHRoZSBhdHRhY2hlZCBjb25maWcgZmlsZSwNCmFuZCBjb25maXJtZWQgbm8gY29t cGlsZSBlcnJvciBvbiB0aGUgZmlsZS4NCi1Ub3NoaQ0KDQpPbiBGcmksIDIwMTYtMDUtMjAgYXQg MTk6MzIgKzA4MDAsIGtidWlsZCB0ZXN0IHJvYm90IHdyb3RlOg0KPiBIaSwNCj4gDQo+IFthdXRv IGJ1aWxkIHRlc3QgRVJST1Igb24gbmV4dC0yMDE2MDUxN10NCj4gW2Nhbm5vdCBhcHBseSB0byB2 NC42LXJjNyB2NC42LXJjNiB2NC42LXJjNSB2NC42XQ0KPiBbaWYgeW91ciBwYXRjaCBpcyBhcHBs aWVkIHRvIHRoZSB3cm9uZyBnaXQgdHJlZSwgcGxlYXNlIGRyb3AgdXMgYSBub3RlIHRvDQo+IGhl bHAgaW1wcm92ZSB0aGUgc3lzdGVtXQ0KPiANCj4gdXJsOsKgwqDCoMKgaHR0cHM6Ly9naXRodWIu Y29tLzBkYXktY2kvbGludXgvY29tbWl0cy9Bcm5kLUJlcmdtYW5uL3JlbW92ZS11bnUNCj4gc2Vk LWJsa2Rldl9kYXhfY2FwYWJsZS1mdW5jdGlvbi8yMDE2MDUxOC0xNTU3MjkNCj4gY29uZmlnOiBt NjhrLWFsbHllc2NvbmZpZyAoYXR0YWNoZWQgYXMgLmNvbmZpZykNCj4gY29tcGlsZXI6IG02OGst bGludXgtZ2NjIChHQ0MpIDQuOS4wDQo+IHJlcHJvZHVjZToNCj4gwqDCoMKgwqDCoMKgwqDCoHdn ZXQgaHR0cHM6Ly9naXQua2VybmVsLm9yZy9jZ2l0L2xpbnV4L2tlcm5lbC9naXQvd2ZnL2xrcC10 ZXN0cy5nDQo+IGl0L3BsYWluL3NiaW4vbWFrZS5jcm9zcyAtTyB+L2Jpbi9tYWtlLmNyb3NzDQo+ IMKgwqDCoMKgwqDCoMKgwqBjaG1vZCAreCB+L2Jpbi9tYWtlLmNyb3NzDQo+IMKgwqDCoMKgwqDC oMKgwqAjIHNhdmUgdGhlIGF0dGFjaGVkIC5jb25maWcgdG8gbGludXggYnVpbGQgdHJlZQ0KPiDC oMKgwqDCoMKgwqDCoMKgbWFrZS5jcm9zcyBBUkNIPW02OGvCoA0KPiANCj4gQWxsIGVycm9ycyAo bmV3IG9uZXMgcHJlZml4ZWQgYnkgPj4pOg0KPiANCj4gwqDCoMKgZnMvYmxvY2tfZGV2LmM6IElu IGZ1bmN0aW9uICdfX2Jsa2Rldl9nZXQnOg0KPiA+IA0KPiA+ID4gDQo+ID4gPiBmcy9ibG9ja19k ZXYuYzoxMjQyOjU6IGVycm9yOiBpbXBsaWNpdCBkZWNsYXJhdGlvbiBvZiBmdW5jdGlvbg0KPiA+ ID4gJ2Jsa2Rldl9kYXhfY2FwYWJsZScgWy1XZXJyb3I9aW1wbGljaXQtZnVuY3Rpb24tZGVjbGFy YXRpb25dDQo+IMKgwqDCoMKgwqDCoMKgwqBpZiAoIWJsa2Rldl9kYXhfY2FwYWJsZShiZGV2KSkN Cj4gwqDCoMKgwqDCoMKgwqDCoF4NCj4gwqDCoMKgY2MxOiBzb21lIHdhcm5pbmdzIGJlaW5nIHRy ZWF0ZWQgYXMgZXJyb3JzDQo+IA0KPiB2aW0gKy9ibGtkZXZfZGF4X2NhcGFibGUgKzEyNDIgZnMv YmxvY2tfZGV2LmMNCj4gDQo+IGQzMzc0ODI1IE5laWxCcm93bsKgwqDCoMKgMjAwOS0wMS0wOcKg wqAxMjM2wqDCoAkJCQkJDQo+IGdvdG8gcmVzdGFydDsNCj4gZDMzNzQ4MjUgTmVpbEJyb3duwqDC oMKgwqAyMDA5LTAxLTA5wqDCoDEyMzfCoMKgCQkJCX0NCj4gMTE5NmY4YjggVGVqdW4gSGVvwqDC oMKgwqAyMDExLTA0LTIxwqDCoDEyMzjCoMKgCQkJfQ0KPiA3ZTY5NzIzZiBUZWp1biBIZW/CoMKg wqDCoDIwMTEtMDUtMjPCoMKgMTIzOcKgwqANCj4gNWEwMjNjZGIgRGFuIFdpbGxpYW1zIDIwMTUt MTEtMzDCoMKgMTI0MMKgwqAJCQlpZiAoIXJldCkNCj4gew0KPiA3ZTY5NzIzZiBUZWp1biBIZW/C oMKgwqDCoDIwMTEtMDUtMjPCoMKgMTI0McKgwqAJCQkJYg0KPiBkX3NldF9zaXplKGJkZXYsKGxv ZmZfdClnZXRfY2FwYWNpdHkoZGlzayk8PDkpOw0KPiA1YTAyM2NkYiBEYW4gV2lsbGlhbXMgMjAx NS0xMS0zMCBAMTI0MsKgwqAJCQkJaQ0KPiBmICghYmxrZGV2X2RheF9jYXBhYmxlKGJkZXYpKQ0K PiA1YTAyM2NkYiBEYW4gV2lsbGlhbXMgMjAxNS0xMS0zMMKgwqAxMjQzwqDCoAkJCQkJDQo+IGJk ZXYtPmJkX2lub2RlLT5pX2ZsYWdzICY9IH5TX0RBWDsNCj4gNWEwMjNjZGIgRGFuIFdpbGxpYW1z IDIwMTUtMTEtMzDCoMKgMTI0NMKgwqAJCQl9DQo+IDdlNjk3MjNmIFRlanVuIEhlb8KgwqDCoMKg MjAxMS0wNS0yM8KgwqAxMjQ1wqDCoA0KPiANCj4gOjo6Ojo6IFRoZSBjb2RlIGF0IGxpbmUgMTI0 MiB3YXMgZmlyc3QgaW50cm9kdWNlZCBieSBjb21taXQNCj4gOjo6Ojo6IDVhMDIzY2RiYTUwYzVm NWYyYmMzNTE3ODNiMzEzMTY5OWRlYjM5MzcgYmxvY2s6IGVuYWJsZSBkYXggZm9yIHJhdw0KPiBi bG9jayBkZXZpY2VzDQo+IA0KPiA6Ojo6OjogVE86IERhbiBXaWxsaWFtcyA8ZGFuLmoud2lsbGlh bXNAaW50ZWwuY29tPg0KPiA6Ojo6OjogQ0M6IERhbiBXaWxsaWFtcyA8ZGFuLmoud2lsbGlhbXNA aW50ZWwuY29tPg0KPiANCj4gLS0tDQo+IDAtREFZIGtlcm5lbCB0ZXN0IGluZnJhc3RydWN0dXJl wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBPcGVuIFNvdXJjZSBUZWNobm9sb2d5DQo+ IENlbnRlcg0KPiBodHRwczovL2xpc3RzLjAxLm9yZy9waXBlcm1haWwva2J1aWxkLWFsbMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgSW50ZWwNCj4gQ29ycG9yYXRpb24=