From mboxrd@z Thu Jan 1 00:00:00 1970 From: majianpeng Subject: Re: Re: [PATCH TRIVIVAL] ceph: Move the place for EOLDSNAPC handle in ceph_aio_write to easily understand Date: Fri, 9 Aug 2013 10:25:51 +0800 Message-ID: <201308091025474608831@gmail.com> References: <201308081532168498411@gmail.com>, Reply-To: majianpeng Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: base64 Return-path: Received: from mail-pb0-f54.google.com ([209.85.160.54]:36391 "EHLO mail-pb0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966749Ab3HICZ4 (ORCPT ); Thu, 8 Aug 2013 22:25:56 -0400 Received: by mail-pb0-f54.google.com with SMTP id ro12so4198585pbb.41 for ; Thu, 08 Aug 2013 19:25:56 -0700 (PDT) Sender: ceph-devel-owner@vger.kernel.org List-ID: To: sage Cc: ceph-devel Pkxvb2tzIGdvb2Q7IEkndmUgYXBwbGllZCB0aGlzIHRvIHRoZSB0cmVlLiAgQ2FueW91IHJldmll dyB0aGUgYmVsb3cgcGF0Y2ggDQo+d2hpbGUgd2UgYXJlIGxvb2tpbmcgYXQgdGhpcyBjb2RlPw0K Pg0KPlRoYW5rcyENCj5zYWdlDQo+DQo+RnJvbSAyNmQwZDdiMjEzZDg3ZGIwZWY0NmU4ODVhZTc0 OWMyNzM5NWMxMWIxIE1vbiBTZXAgMTcgMDA6MDA6MDAgMjAwMQ0KPkZyb206IFNhZ2UgV2VpbCA8 c2FnZUBpbmt0YW5rLmNvbT4NCj5EYXRlOiBUaHUsIDggQXVnIDIwMTMgMDk6Mzk6NDQgLTA3MDAN Cj5TdWJqZWN0OiBbUEFUQ0hdIGNlcGg6IHJlcGxhY2UgaG9sZF9tdXRleCBmbGFnIHdpdGggZ290 bw0KPg0KPkFsbCBvZiB0aGUgZWFybHkgZXhpdCBwYXRocyBuZWVkIHRvIGRyb3AgdGhlIG11dGV4 OyBpdCBpcyBvbmx5IHRoZSBub3JtYWwNCj5wYXRoIHRocm91Z2ggdGhlIGZ1bmN0aW9uIHRoYXQg ZG9lcyBub3QuICBTa2lwIHRoZSB1bmxvY2sgaW4gdGhhdCBjYXNlDQo+d2l0aCBhIGdvdG8gb3V0 X3VubG9ja2VkLg0KPg0KPlNpZ25lZC1vZmYtYnk6IFNhZ2UgV2VpbCA8c2FnZUBpbmt0YW5rLmNv bT4NCj4tLS0NCj4gZnMvY2VwaC9maWxlLmMgfCAxMSArKysrLS0tLS0tLQ0KPiAxIGZpbGUgY2hh bmdlZCwgNCBpbnNlcnRpb25zKCspLCA3IGRlbGV0aW9ucygtKQ0KPg0KPmRpZmYgLS1naXQgYS9m cy9jZXBoL2ZpbGUuYyBiL2ZzL2NlcGgvZmlsZS5jDQo+aW5kZXggNzQ3OGQ1ZC4uYTE3ZmZlNCAx MDA2NDQNCj4tLS0gYS9mcy9jZXBoL2ZpbGUuYw0KPisrKyBiL2ZzL2NlcGgvZmlsZS5jDQo+QEAg LTcxMCwxMyArNzEwLDExIEBAIHN0YXRpYyBzc2l6ZV90IGNlcGhfYWlvX3dyaXRlKHN0cnVjdCBr aW9jYiAqaW9jYiwgY29uc3Qgc3RydWN0IGlvdmVjICppb3YsDQo+IAkJJmNlcGhfc2JfdG9fY2xp ZW50KGlub2RlLT5pX3NiKS0+Y2xpZW50LT5vc2RjOw0KPiAJc3NpemVfdCBjb3VudCwgd3JpdHRl biA9IDA7DQo+IAlpbnQgZXJyLCB3YW50LCBnb3Q7DQo+LQlib29sIGhvbGRfbXV0ZXg7DQo+IA0K PiAJaWYgKGNlcGhfc25hcChpbm9kZSkgIT0gQ0VQSF9OT1NOQVApDQo+IAkJcmV0dXJuIC1FUk9G UzsNCj4gDQo+IAltdXRleF9sb2NrKCZpbm9kZS0+aV9tdXRleCk7DQo+LQlob2xkX211dGV4ID0g dHJ1ZTsNCj4gDQo+IAllcnIgPSBnZW5lcmljX3NlZ21lbnRfY2hlY2tzKGlvdiwgJm5yX3NlZ3Ms ICZjb3VudCwgVkVSSUZZX1JFQUQpOw0KPiAJaWYgKGVycikNCj5AQCAtNzcyLDcgKzc3MCw2IEBA IHJldHJ5X3NuYXA6DQo+IAkJCQlpbm9kZSwgY2VwaF92aW5vcChpbm9kZSksDQo+IAkJCQlwb3Ms ICh1bnNpZ25lZClpb3YtPmlvdl9sZW4pOw0KPiAJCQltdXRleF9sb2NrKCZpbm9kZS0+aV9tdXRl eCk7DQo+LQkJCWhvbGRfbXV0ZXggPSB0cnVlOw0KPiAJCQlnb3RvIHJldHJ5X3NuYXA7DQo+IAkJ fQ0KPiAJfSBlbHNlIHsNCj5AQCAtNzgxLDcgKzc3OCw2IEBAIHJldHJ5X3NuYXA6DQo+IAkJCQkJ CSAgICAgIGNvdW50LCAwKTsNCj4gCQltdXRleF91bmxvY2soJmlub2RlLT5pX211dGV4KTsNCj4g CX0NCj4tCWhvbGRfbXV0ZXggPSBmYWxzZTsNCj4gDQo+IAlpZiAod3JpdHRlbiA+PSAwKSB7DQo+ IAkJaW50IGRpcnR5Ow0KPkBAIC04MDUsMTEgKzgwMSwxMiBAQCByZXRyeV9zbmFwOg0KPiAJCQl3 cml0dGVuID0gZXJyOw0KPiAJfQ0KPiANCj4rCWdvdG8gb3V0X3VubG9ja2VkOw0KPisNCj4gb3V0 Og0KPi0JaWYgKGhvbGRfbXV0ZXgpDQo+LQkJbXV0ZXhfdW5sb2NrKCZpbm9kZS0+aV9tdXRleCk7 DQo+KwltdXRleF91bmxvY2soJmlub2RlLT5pX211dGV4KTsNCj4rb3V0X3VubG9ja2VkOg0KPiAJ Y3VycmVudC0+YmFja2luZ19kZXZfaW5mbyA9IE5VTEw7DQo+LQ0KPiAJcmV0dXJuIHdyaXR0ZW4g PyB3cml0dGVuIDogZXJyOw0KPiB9DQo+IA0KPi0tIA0KPjEuOC4xLjINCj4NCkhpIHNhZ2UsDQoJ SXQncyBvay4NCglCVFcsIGkgaGFkIGEgcXVlc3Rpb24gYWJvdXQgRU9MRFNOQVBDLk5vdyBmb3Ig YSBzeW5jLXdyaXRlLGlmIGl0IG1ldCBFT0xEU05BUEMsIGl0IHdpbGwgcmV0cnkuDQpUaGUgcmV3 cml0ZSBpcyBmb3IgYWxsIGJpby5TdXBwb3J0ZWQgYSBzeW5jLXdyaXRlIGNyb3NzZWQgbXVsdGkg c3RyaXBlLg0KUTE6SXMgdGhlcmUgYSBjaGFuY2UgdGhhdCBmb3Igc29tZSBzdHJpcGUtd3JpdGUg aXQgZGluJ3QgbWV0IEVPTERTTkFQQyx0aGUgbGF0ZXIgbWV0Pw0KUTI6SWYgUTEgb2NjdXJlZCwg Y2FuIHdlIG9ubHkgcmV3cml0ZSB0aGUgc3RyaXBlIHdoaWNoIG1ldCBFT0xEU05BUENFPw0KDQpU aGFua3MhDQpKaWFucGVuZyBNYQ0KDQoJ