From mboxrd@z Thu Jan 1 00:00:00 1970 From: majianpeng Subject: Re: Re: [PATCH 3/4] md: Don't do normal-write on unresync area of replacement-disk. Date: Mon, 4 Mar 2013 10:24:16 +0800 Message-ID: <201303041024138712338@gmail.com> References: <201302281550356268273@gmail.com>, <20130304130435.4113d2a4@notabene.brown> Reply-To: majianpeng 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 Pk9uIFRodSwgMjggRmViIDIwMTMgMTU6NTA6MzcgKzA4MDAgbWFqaWFucGVuZyA8bWFqaWFucGVu Z0BnbWFpbC5jb20+IHdyb3RlOg0KPg0KPj4gUmVwbGFjZW1lbnQgaXMgYSBmdWxsc3luYyB3aGlj aCBkb24ndCBkZXBlbnQgb24gYml0bWFwLlNvIHJlZ2FyZGxlc3Mgb2YNCj4+IHRoZSBwcmVzZW5j ZSBhbmQgYWJzZW5jZSBvZiBiaXRtYXAsIGl0IGRvIGZ1bGwgcmVzeW5jLg0KPj4gSWYgb2Zmc2V0 IG9mIG5vcm1hbCBpbyBpcyBsYXJnZXIgdGhhbiBvZmZzZXQgb2YgcmVzeW5jLGl0IHdpbGwgd3Jp dGUNCj4+IGFnYWluIHdoZW4gcmVzeW5jIGFycml2ZWQgdGhpcyBvZmZzZXQuDQo+DQo+VGhpcyBt aWdodCBiZSBPSyBmb3IgUkFJRDEgYW5kIFJBSUQxMCBhcyByZWNvdmVyIGlzIHBhdXNlZCB3aGVu IHdyaXRlcw0KPmhhcHBlbiwgYnV0IHRoYXQgaXMgbm90IHRoZSBjYXNlIGZvciBSQUlENSwgc28g aXQgaXNuJ3Qgc2FmZSB0byB0ZXN0IGFnYWluc3QNCj5jdXJyX3Jlc3luYyAtIGl0IGdldHMgdXBk YXRlZCBhIGJpdCB0b28gbGF0ZXIuDQo+DQotPmN1cnJfcmVzeW5jICsgU1RSSVBFX1NFQ1RPUlMg aXMgdGhlIG5leHQgc3RyaXBlIHdoaWNoIHdpbGxiZSByZXBsYWNlZC4NCkhvdyBhYm91dCB0aGUg LT5jdXJyX3Jlc3luYytTVFJJUEVfU0VDVE9SUz8NCg0KPkFsc28geW91IG1lc3NlZCB1cCB0aGUg Zm9ybWF0dGluZyBpbiByYWlkMTAuYw0KPg0KQ2FuIHlvdSBleHBsYWluIGluIGRldGFpbD8NCj5J J20gbm90IGNvbnZpbmNlZCB0aGlzIG9wdGltaXNhdGlvbiBpcyByZWFsbHkgd29ydGggaXQuDQo+ DQpNYXliZSBmb3IgSEREIGRpc2ssIGl0IG9ubHkgaW1wcm92ZSBzcGVlZCBieSByZWR1Y2luZyBz b21lIHdyaXRlIG9wZXJhdGlvbi4NCkJ1dCBmb3Igc3NkIGRpc2ssIGl0IGNhbiByZWR1Y2Ugb25l IHdyaXRlLg0KDQpUaGFua3MhDQpKaWFucGVuZyBNYQ0KPk5laWxCcm93bg0KPg0KPg0KPj4gDQo+ PiBTaWduZWQtb2ZmLWJ5OiBKaWFucGVuZyBNYSA8bWFqaWFucGVuZ0BnbWFpbC5jb20+DQo+PiAt LS0NCj4+ICBkcml2ZXJzL21kL3JhaWQxLmMgIHwgICAgNCArKystDQo+PiAgZHJpdmVycy9tZC9y YWlkMTAuYyB8ICAgIDQgKysrLQ0KPj4gIGRyaXZlcnMvbWQvcmFpZDUuYyAgfCAgICAzICsrLQ0K Pj4gIDMgZmlsZXMgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQ0KPj4g DQo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9tZC9yYWlkMS5jIGIvZHJpdmVycy9tZC9yYWlkMS5j DQo+PiBpbmRleCBkNWJkZGZjLi4xNDJhNWZhIDEwMDY0NA0KPj4gLS0tIGEvZHJpdmVycy9tZC9y YWlkMS5jDQo+PiArKysgYi9kcml2ZXJzL21kL3JhaWQxLmMNCj4+IEBAIC0xMTczLDcgKzExNzMs OSBAQCByZWFkX2FnYWluOg0KPj4gIAkJCQlzZXRfYml0KFIxQklPX0RlZ3JhZGVkLCAmcjFfYmlv LT5zdGF0ZSk7DQo+PiAgCQkJY29udGludWU7DQo+PiAgCQl9DQo+PiAtDQo+PiArCQlpZiAodGVz dF9iaXQoUmVwbGFjZW1lbnQsICZyZGV2LT5mbGFncykgJiYNCj4+ICsJCQljb25mLT5tZGRldi0+ Y3Vycl9yZXN5bmMgPCByMV9iaW8tPnNlY3RvcikNCj4+ICsJCQljb250aW51ZTsNCj4+ICAJCWF0 b21pY19pbmMoJnJkZXYtPm5yX3BlbmRpbmcpOw0KPj4gIAkJaWYgKHRlc3RfYml0KFdyaXRlRXJy b3JTZWVuLCAmcmRldi0+ZmxhZ3MpKSB7DQo+PiAgCQkJc2VjdG9yX3QgZmlyc3RfYmFkOw0KPj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvbWQvcmFpZDEwLmMgYi9kcml2ZXJzL21kL3JhaWQxMC5jDQo+ PiBpbmRleCA2NGQ0ODI0Li5iYjExY2ZiIDEwMDY0NA0KPj4gLS0tIGEvZHJpdmVycy9tZC9yYWlk MTAuYw0KPj4gKysrIGIvZHJpdmVycy9tZC9yYWlkMTAuYw0KPj4gQEAgLTEzMzcsNyArMTMzNyw5 IEBAIHJldHJ5X3dyaXRlOg0KPj4gIAkJCSAgICAgfHwgdGVzdF9iaXQoVW5tZXJnZWQsICZyZGV2 LT5mbGFncykpKQ0KPj4gIAkJCXJkZXYgPSBOVUxMOw0KPj4gIAkJaWYgKHJyZGV2ICYmICh0ZXN0 X2JpdChGYXVsdHksICZycmRldi0+ZmxhZ3MpDQo+PiAtCQkJICAgICAgfHwgdGVzdF9iaXQoVW5t ZXJnZWQsICZycmRldi0+ZmxhZ3MpKSkNCj4+ICsJCQl8fCB0ZXN0X2JpdChVbm1lcmdlZCwgJnJy ZGV2LT5mbGFncykgfHwgDQo+PiArCQkJKHRlc3RfYml0KFJlcGxhY2VtZW50LCAmcnJkZXYtPmZs YWdzKSAmJg0KPj4gKwkJCWNvbmYtPm1kZGV2LT5jdXJyX3Jlc3luYyA8IHIxMF9iaW8tPnNlY3Rv cikpKQ0KPj4gIAkJCXJyZGV2ID0gTlVMTDsNCj4+ICANCj4+ICAJCXIxMF9iaW8tPmRldnNbaV0u YmlvID0gTlVMTDsNCj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL21kL3JhaWQ1LmMgYi9kcml2ZXJz L21kL3JhaWQ1LmMNCj4+IGluZGV4IGJkNDk2MjMuLmUwYTJhMzkgMTAwNjQ0DQo+PiAtLS0gYS9k cml2ZXJzL21kL3JhaWQ1LmMNCj4+ICsrKyBiL2RyaXZlcnMvbWQvcmFpZDUuYw0KPj4gQEAgLTYw Miw3ICs2MDIsOCBAQCBzdGF0aWMgdm9pZCBvcHNfcnVuX2lvKHN0cnVjdCBzdHJpcGVfaGVhZCAq c2gsIHN0cnVjdCBzdHJpcGVfaGVhZF9zdGF0ZSAqcykNCj4+ICAJCQlyZGV2ID0gTlVMTDsNCj4+ ICAJCWlmIChyZGV2KQ0KPj4gIAkJCWF0b21pY19pbmMoJnJkZXYtPm5yX3BlbmRpbmcpOw0KPj4g LQkJaWYgKHJyZGV2ICYmIHRlc3RfYml0KEZhdWx0eSwgJnJyZGV2LT5mbGFncykpDQo+PiArCQlp ZiAocnJkZXYgJiYgKHRlc3RfYml0KEZhdWx0eSwgJnJyZGV2LT5mbGFncykgfHwNCj4+ICsJCQlj b25mLT5tZGRldi0+Y3Vycl9yZXN5bmMgPCBzaC0+c2VjdG9yKSkNCj4+ICAJCQlycmRldiA9IE5V TEw7DQo+PiAgCQlpZiAocnJkZXYpDQo+PiAgCQkJYXRvbWljX2luYygmcnJkZXYtPm5yX3BlbmRp bmcpOw0KPg0KPg==