From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jianpeng Ma" Subject: Re: Re: [PATCH] raid5: Avoid doing more read on dev of a stripe at the same time Date: Wed, 26 Sep 2012 12:09:27 +0800 Message-ID: <201209261209238128227@gmail.com> References: <2012091510203206229010@gmail.com> <20120920125144.0ed69ec3@notabene.brown> <201209201104415460652@gmail.com> <20120920132422.0f7841f1@notabene.brown> <201209211024418590971@gmail.com> <20120925172912.65db0e03@notabene.brown>, <20120926124348.3190990c@notabene.brown> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Return-path: Sender: linux-raid-owner@vger.kernel.org To: Neil Brown Cc: linux-raid List-Id: linux-raid.ids T24gMjAxMi0wOS0yNiAxMDo0MyBOZWlsQnJvd24gPG5laWxiQHN1c2UuZGU+IFdyb3RlOg0KPk9u IFR1ZSwgMjUgU2VwIDIwMTIgMTc6Mjk6MTIgKzEwMDAgTmVpbEJyb3duIDxuZWlsYkBzdXNlLmRl PiB3cm90ZToNCj4NCj4+IE9uIEZyaSwgMjEgU2VwIDIwMTIgMTA6MjQ6NDUgKzA4MDAgIkppYW5w ZW5nIE1hIiA8bWFqaWFucGVuZ0BnbWFpbC5jb20+IHdyb3RlOg0KPg0KPj4gPiBIaSwNCj4+ID4g IGkgd3JvdGUgYSBzaGVsbC1zY3JpcHQgY2FuIHJlcHJvZHVjdCB0aGlzIGJ1Zy4NCj4+ID4gTm90 ZTogbWRhZG0gLVYNCj4+ID4gbWRhZG0gLSB2My4zLXByZSAtIFVucmVsZWFzZWQNCj4+ID4gDQo+ Li4uDQo+DQo+PiBUaGFua3MgYSBsb3QhDQo+PiBJJ2xsIHRyeSB0aGlzIG91dCBhbmQgc2VlIHdo YXQgSSBmaW5kLg0KPg0KPkkndmUgYmVlbiBydW5uaW5nIHRoaXMgc2NyaXB0ICh3aXRoIHRoZSBt ZW50aW9uZWQgdmVyc2lvbiBvZiBtZGFkbSkgYW5kDQo+bm90aGluZyBoYXMgZ29uZSB3cm9uZy4N Cj5UaGUgJ2RkJyBrZWVwcyByZXBvcnRpbmcgcmVhZCBlcnJvcnMgb2YgY291cnNlLCBhcyBkb2Vz IHRoZSBrZXJuZWwsIGJ1dCBub3QNCj5jcmFzaCBvciBmcmVlemUgb3IgYW55dGhpbmcuDQpXaGF0 J3MgdGhlIHZlcnNpb24gb2YgbWRhZG0/IFVzZSB0aGUgZmVhdHVyZSBvZiBiYWRibG9jayBsb2cg dG8gdGVzdC4NCkFyZSB5b3Ugc3VyZT8NCj4NCj5XaGF0IGV4YWN0bHkgaGFwcGVucyB3aGVuIHlv dSBydW4gaXQ/ICBEbyB5b3UgZ2V0IGEga2VybmVsIHN0YWNrIHRyYWNlIGF0IGFsbD8NCj5DYW4g eW91IHBvc3QgbG9ncyBzaG93aW5nIHdoZXJlIGl0IGdvZXMgd3Jvbmc/DQo+DQpPaywgaSB3aWxs IHJlZG8gYW5kIGNhdGNoIG1lc3NhZ2UgdG8gc2VuZCB5b3UuDQpUaGFua3MhDQo=