From mboxrd@z Thu Jan 1 00:00:00 1970 From: majianpeng Subject: Re: Re: [patch 03/10 v3] raid5: add a per-stripe lock Date: Wed, 4 Jul 2012 09:09:52 +0800 Message-ID: <201207040909485469881@gmail.com> References: <20120625072447.268095276@kernel.org> <20120625072613.620625574@kernel.org> <20120702105046.56cd47ec@notabene.brown> <20120702031626.GE29770@kernel.org> <20120702173953.7bee26cb@notabene.brown> <201207032016270001820@gmail.com>, <20120704095624.7307c6cd@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: shli , linux-raid , axboe , Dan Williams List-Id: linux-raid.ids T24gMjAxMi0wNy0wNCAwNzo1NiBOZWlsQnJvd24gPG5laWxiQHN1c2UuZGU+IFdyb3RlOg0KPk9u IFR1ZSwgMyBKdWwgMjAxMiAyMDoxNjozMSArMDgwMCBtYWppYW5wZW5nIDxtYWppYW5wZW5nQGdt YWlsLmNvbT4gd3JvdGU6DQo+DQo+PiBPbiAyMDEyLTA3LTAyIDE1OjM5IE5laWxCcm93biA8bmVp bGJAc3VzZS5kZT4gV3JvdGU6DQo+PiA+T24gTW9uLCAyIEp1bCAyMDEyIDExOjE2OjI2ICswODAw IFNoYW9odWEgTGkgPHNobGlAa2VybmVsLm9yZz4gd3JvdGU6DQo+PiA+DQo+PiA+DQo+PiA+PiA+ IFRoZW4gSSBjb3VsZCBzZWUgd2hhdCBpcyBiZWluZyBhZGRlZCBhbmQgd2hhdCBpcyBiZWluZyBy ZW1vdmVkIGFsbCBpbiB0aGUgb25lDQo+PiA+PiA+IHBhdGNoIGFuZCBJIGNhbiBiZSBzdXJlIHRo YXQgdGhleSBiYWxhbmNlLg0KPj4gPj4gDQo+PiA+PiByZXdvcmtlZCB0aGUgcGF0Y2ggMy01IHRv IHR3byBwYXRjaGVzIGFzIHlvdSBzdWdnZXN0ZWQsIGFuZCBzZW50IHRvIHlvdS4gcGxlYXNlIGNo ZWNrLg0KPj4gPg0KPj4gPlRoYW5rcy4gIFRoYXQncyBsb29raW5nIHJlYWxseSBnb29kLg0KPj4g Pg0KPj4gPkhvd2V2ZXIgSSB0aGluayB3ZSBjYW4gZG8gYmV0dGVyLiAgSSd2ZSBiZWVuIGxvb2tp bmcgbW9yZSBjbG9zZWx5IGF0IHRoZSBjb2RlDQo+PiA+YW5kIEkgdGhpbmsgdGhhdCB0aGUgb25s eSB0aGluZ3MgdGhhdCB3ZSBuZWVkIHN0cmlwZV9sb2NrIHRvIHByb3RlY3QgYXJlDQo+PiA+LT50 b3JlYWQgYW5kIC0+dG93cml0ZSwgdG9nZXRoZXIgd2l0aCB0aGUgZm9sbG93aW5nIGJpb3MuICBl LmcuDQo+PiA+LT50b3JlYWQtPmJpX25leHQgZXRjLg0KPj4gPg0KPj4gPi0+cmVhZCBhbmQgLT53 cml0dGVuIGRvbid0IG5lZWQgc3RyaXBlX2xvY2sgcHJvdGVjdGlvbiwgYXMgdGhleSBhcmUgb25s eQ0KPj4gPm1hbmlwdWxhdGVkIGJ5IHRoZSBoYW5kbGVfc3RyaXBlIHN0YXRlIG1hY2hpbmUgd2hp Y2ggdXNlcyBTVFJJUEVfQUNUSVZFIA0KPj4gPmFuZCByZWZjb3VudHMgZm9yIGV4Y2x1c2lvbi4N Cj4+ID4NCj4+ID5TbyBhZGRfc3RyaXBlX2JpbyBuZWVkIHRvIHRha2UgdGhlIGxvY2sgd2hpbGUg YWRkaW5nIGEgYmlvIHRvIHRoZQ0KPj4gPi0+dG9yZWFkIGFuZCAgLT50b3dyaXRlIGxpc3RzLCBh bmQgb3BzX3J1bl9iaW9kcmFpbigpIGFuZCBvcHNfcnVuX2Jpb2ZpbGwNCj4+ID5uZWVkIHRvIHRh a2UgdGhlIGxvY2sgd2hpbGUgdGhlIG1vdmUgdGhlIGxpc3QgZnJvbSAtPnRve3JlYWQsd3JpdGV9 IHRvDQo+PiA+LT57cmVhZCx3cml0dGVufS4gIA0KPg0KPj4gSG93IGFib3V0IHhjaGcoKT8NCj4N Cj4oaXQgd291bGQgaGVscCBhIGxpdHRsZSBpZiB5b3UgbWFkZSB5b3VyIGNvbW1lbnRzIHN0YW5k IG91dCBtb3JlLCBhbmQgbWF5YmUNCj5iZSBhIGJpdCBtb3JlIHZlcmJvc2UpLg0KPg0KPmJpb19h ZGRfc3RyaXBlKCkgY2FuIGluc2VydCBhIG5ldyBiaW8gaW50byBhIGxpc3QgdGhhdCBzdGFydHMg YXJlIC0+dG93cml0ZQ0KPm9yIC0+dG9yZWFkLg0KPllvdSBjYW5ub3QgZG8gdGhhdCB3aXRoIGEg c2ltcGxlIHhjaGcuICBZb3UgcmVhbGx5IG5lZWQgYSBsb2NrLg0KPg0KPk5laWxCcm93bg0KPg0K Pg0Kc29ycnksaSBtaXNzZWQgeGNoZy4NCkJ1dCB3aGVuIGRldi9zdHJpcGUgaXMgc2V0IFI1X1dh bnRkcmFpbi9SNV9XYW50ZmlsbCwgY2FuIGFkZCBzdHJpcGUgdG8gZGV2L3N0cmlwZT8=