From mboxrd@z Thu Jan 1 00:00:00 1970 From: "kedacomkernel" Subject: Re: Re: md/raid1:Fix a logic bug in fix_sync_read_error(). Date: Thu, 5 Apr 2012 10:23:47 +0800 Message-ID: <201204051023442812453@gmail.com> References: <201203311037586565381@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Return-path: Sender: linux-raid-owner@vger.kernel.org To: NeilBrown Cc: linux-raid List-Id: linux-raid.ids Pj5UaGF0IGlzIGNvcnJlY3QsIGFuZCB0aGF0IGlzIGhvdyBpdCBzaG91bGQgYmUuDQoNCj4+SWYg d2UgZ2V0IGEgcmVhZCBlcnJvciwgdGhlbiB0cnkgYWdhaW4gYW5kIGdldCBhIHN1Y2Nlc3NmdWwg cmVhZCwgdGhlbiB0aGVyZQ0KPj5pcyBub3RoaW5nIG1vcmUgdGhhdCB3ZSBuZWVkIHRvIGRvLiAg Tm8gbmVlZCB0byB3cml0ZSBvciBhbnl0aGluZy4NCg0KPj5TbzogY3VycmVudCBjb2RlIGlzIGNv cnJlY3QuDQoNCj4+VGhhbmtzLA0KPj5OZWlsQnJvd24NClNvcnJ5IE5laWwsSSBkb24ndCB1bmRl cnN0YW5kIHdoYXQncyB5b3VyIG1lYW4/DQpJIHRoaW5rIHRoaXMgZnVuY3Rpb24gaXMgd2FudCB0 byBkbyBzb21ldGhpbmcgbGlrZSBmb2xsb3cgd2hlbiBhbGwgc3luY19yZWFkIGZhaWxlZC4NCjE6 d2FudCB0byByZWFkIHBhcnRseSBieSBQQUdFX1NJWkUgZnJvbSBhbGwgcmVhZCBkZXZpY2VzLg0K MjppZiByZWFkIHN1Y2Nlc3MgYW5kIHdyaXRlIHdyaXRlIHRvIG90aGVyIGFuZCByZWFkIGJhY2ss IGluIG9yZGVyIHRvIHJlcGFpciB0aG9zZSBkaXNrcy4NCg0KZm9yIGV4YW1wbGUgOg0KZGlzayBB LEIgLHJlYWQgNjRrIGZyb20gMCB0byAxMjggc2VjdG9yLg0Kc3VwcG9zZWQ6IGRpc2sgQSByZWFk IGZhaWxlZCBiZWNhdXNlIHNlY3RvciAwLTcgd2FzIGJhZCBzZWN0b3IuDQoJCQkgICBkaXNrIEIg IHJlYWQgZmFpbGVkIGJlY2F1c2Ugc2VjdG9yIDgtMTUgd2FzIGJhZCBzZWN0b3IuDQpieSB0aGlz IGZ1bmN0aW9uLHdlIGNhbiBmaXggc2VjdG9yIDAtNyBvZiBBIGFuZCBzZWN0b3IgOC0xNSBvZiBC Lg0KSXMgb2s/DQoNCklmIEIgaXMgcmVhZF9kaXNrLHNvIHJlYWQgMC03IGlzIG9rIGFuZCB3YW50 IHRvIHdyaXRlIGl0IHRvIEEuQnV0IGJlY2FzdWUgdGhlIGNvZGUgLGRvIG5vdCB3cml0ZSB0byBk aXNrIEEuDQoNCi0tLS0tLS0tLS0tLS0tLS0tLQkJCQkgDQprZWRhY29ta2VybmVsDQoyMDEyLTA0 LTA1DQoNCi0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0NCreivP7Iy6O6TmVpbEJyb3duDQq3osvNyNXG2qO6MjAxMi0wNC0wMiAxMDow NTozNA0KytW8/sjLo7prZWRhY29ta2VybmVsDQqzrcvNo7psaW51eC1yYWlkDQrW98zio7pSZTog bWQvcmFpZDE6Rml4IGEgbG9naWMgYnVnIGluIGZpeF9zeW5jX3JlYWRfZXJyb3IoKS4NCg0KT24g U2F0LCAzMSBNYXIgMjAxMiAxMDozODowMSArMDgwMCAia2VkYWNvbWtlcm5lbCIgPGtlZGFjb21r ZXJuZWxAZ21haWwuY29tPg0Kd3JvdGU6DQoNCj4gPkZyb20gMGZlMTVjOGUxYmQ1ZTQ2MjM0ZDM3 NTczZjMzMjIzMTJkOGRhMzI1ZCBNb24gU2VwIDE3IDAwOjAwOjAwIDIwMDENCj4gRnJvbTogbWFq aWFucGVuZyA8bWFqaWFucGVuZ0BnbWFpbC5jb20+DQo+IERhdGU6IFNhdCwgMzEgTWFyIDIwMTIg MTA6Mjc6MzMgKzA4MDANCj4gU3ViamVjdDogW1BBVENIXSBtZC9yYWlkMTpGaXggYSBsb2dpYyBi dWcgaW4gZml4X3N5bmNfcmVhZF9lcnJvcigpLiANCj4gSWYgIGQ9PXJlYWRfZGlzayAmJiBzdWNj ZXNzID09IDEgYW5kIHRoZW4gYnJlYWssIHNvIGQgPQ0KPiAgcmVhZF9kaXNrLiBXaGVuIGV4ZWMg dGhpcyBqdWRnZW1lbnQ6ID4+c3RhcnQgPSBkOyA+Pi8qDQo+ICB3cml0ZSBpdCBiYWNrIGFuZCBy ZS1yZWFkICovID4+d2hpbGUgKGQgIT0NCj4gIHIxX2Jpby0+cmVhZF9kaXNrKSB7IEJlY2F1c2Ug ZCA9PSByZWFkX2Rpc2ssc28gd3JpdGUgYW5kDQo+ICByZS1hZGQgZGlkIG5vdCBleGVjLg0KDQpU aGF0IGlzIGNvcnJlY3QsIGFuZCB0aGF0IGlzIGhvdyBpdCBzaG91bGQgYmUuDQoNCklmIHdlIGdl dCBhIHJlYWQgZXJyb3IsIHRoZW4gdHJ5IGFnYWluIGFuZCBnZXQgYSBzdWNjZXNzZnVsIHJlYWQs IHRoZW4gdGhlcmUNCmlzIG5vdGhpbmcgbW9yZSB0aGF0IHdlIG5lZWQgdG8gZG8uICBObyBuZWVk IHRvIHdyaXRlIG9yIGFueXRoaW5nLg0KDQpTbzogY3VycmVudCBjb2RlIGlzIGNvcnJlY3QuDQoN ClRoYW5rcywNCk5laWxCcm93bg0KDQoNCj4gDQo+IA0KPiBTaWduZWQtb2ZmLWJ5OiBtYWppYW5w ZW5nIDxtYWppYW5wZW5nQGdtYWlsLmNvbT4NCj4gLS0tDQo+ICBkcml2ZXJzL21kL3JhaWQxLmMg fCAgICAxIC0NCj4gIDEgZmlsZXMgY2hhbmdlZCwgMCBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9u cygtKQ0KPiANCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvbWQvcmFpZDEuYyBiL2RyaXZlcnMvbWQv cmFpZDEuYw0KPiBpbmRleCA0YTQwYTIwLi4zYTEzM2ZmIDEwMDY0NA0KPiAtLS0gYS9kcml2ZXJz L21kL3JhaWQxLmMNCj4gKysrIGIvZHJpdmVycy9tZC9yYWlkMS5jDQo+IEBAIC0xNjE4LDcgKzE2 MTgsNiBAQCBzdGF0aWMgaW50IGZpeF9zeW5jX3JlYWRfZXJyb3Ioc3RydWN0IHIxYmlvICpyMV9i aW8pDQo+ICAJCQkJCQkgYmlvLT5iaV9pb192ZWNbaWR4XS5idl9wYWdlLA0KPiAgCQkJCQkJIFJF QUQsIGZhbHNlKSkgew0KPiAgCQkJCQlzdWNjZXNzID0gMTsNCj4gLQkJCQkJYnJlYWs7DQo+ICAJ CQkJfQ0KPiAgCQkJfQ0KPiAgCQkJZCsrOw0KDQo=