Return-Path: linux-nfs-owner@vger.kernel.org Received: from szxga03-in.huawei.com ([119.145.14.66]:59365 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753541Ab3JUJuC (ORCPT ); Mon, 21 Oct 2013 05:50:02 -0400 From: Wangminlan To: NeilBrown CC: Chuck Lever , "J. Bruce Fields" , "linux-nfs@vger.kernel.org" Subject: RE: Different sequence of "exportfs" produce different effects on nfs client mounts Date: Mon, 21 Oct 2013 09:47:18 +0000 Message-ID: <3962238FD7EA0F41B1810E7ABEAFBC314CEFA7FB@szxema505-mbs.china.huawei.com> References: <3962238FD7EA0F41B1810E7ABEAFBC314CEF9ACF@szxema505-mbs.china.huawei.com> <20131014174540.GA27747@fieldses.org> <3962238FD7EA0F41B1810E7ABEAFBC314CEF9E97@szxema505-mbs.china.huawei.com> <20131015154918.GA6117@fieldses.org> <3962238FD7EA0F41B1810E7ABEAFBC314CEF9FD9@szxema505-mbs.china.huawei.com> <3962238FD7EA0F41B1810E7ABEAFBC314CEFA2F5@szxema505-mbs.china.huawei.com> <20131018083253.40e8881e@notabene.brown> <20131021094902.616f2100@notabene.brown> In-Reply-To: <20131021094902.616f2100@notabene.brown> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: SSBhcHBsaWVkIHRoaXMgcGF0Y2ggdG8gbmZzLXV0aWxzLTEuMi42LCBpdCBmaXhlZCB0aGUgY3Vy cmVudCBpc3N1ZS4NCg0KTXkgL2V0Yy9leHBvcnRzIGxvb2tzIGxpa2UgdGhpczoNCi9tZWRpYS9m czEvICAgICAxMC4xNTguMC4wLzE2KHJ3LHJvb3Rfc3F1YXNoLG5vX3N1YnRyZWVfY2hlY2spDQov bWVkaWEvZnMxLyAgICAgMTAuMTU4LjE5Mi43MShydyxub19yb290X3NxdWFzaCxub19zdWJ0cmVl X2NoZWNrKQ0KL21lZGlhL2ZzMS8gICAgIDEwLjE1OC4xOTIuNzIocncsbm9fcm9vdF9zcXVhc2gs bm9fc3VidHJlZV9jaGVjaykNCi9tZWRpYS9mczEvICAgICAxMC4xNTguMTkyLjczKHJ3LG5vX3Jv b3Rfc3F1YXNoLG5vX3N1YnRyZWVfY2hlY2spDQovbWVkaWEvZnMxLyAgICAgMTAuMTU4LjE5Mi43 NChydyxub19yb290X3NxdWFzaCxub19zdWJ0cmVlX2NoZWNrKQ0KDQpBbmQgSSBhbHNvIGNhcHR1 cmVkIGRucyBsb29rdXAgdHJhZmZpYyBieSBjb21tYW5kICJ0Y3BkdW1wIC1pIGV0aDAgLXZ2diBo b3N0IGRuc19zZXJ2ZXIiIGR1cmluZyB0aGUgZm9sbG93aW5nIHByb2NlZHVyZToNCiNleHBvcnRm cyAtdWENCiNleHBvcnRmcyAtYQ0Kb24gdGhlIHNlcnZlciwgYW5kIHRoZSBuZnMgbW91bnQgcHJv Y2VkdXJlIG9uIHRoZSBjbGllbnQuDQpUaGVyZSdzIG5vbmUgZG5zIGxvb2t1cCByZWxhdGVkIHRy YWZmaWMsIG5laXRoZXIgYmVmb3JlIHRoZSBwYXRjaCwgbm9yIGFmdGVyIGl0Lg0KDQpUaGFua3Mg dG8gYWxsIG9mIHlvdSwgZm9yIGhlbHBpbmcgbWUgZml4IHRoaXMgaXNzdWUsIGFuZCB0aGUgdGlt ZSB5b3Ugc3BlbnQgb24gcmV2aWV3aW5nIHRoZSBjb2RlLg0KDQpCLlIuDQpNaW5sYW4gV2FuZw0K DQo+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQo+IEZyb206IE5laWxCcm93biBbbWFpbHRv Om5laWxiQHN1c2UuZGVdDQo+IFNlbnQ6IE1vbmRheSwgT2N0b2JlciAyMSwgMjAxMyA2OjQ5IEFN DQo+IFRvOiBOZWlsQnJvd24NCj4gQ2M6IENodWNrIExldmVyOyBXYW5nbWlubGFuOyBKLiBCcnVj ZSBGaWVsZHM7IGxpbnV4LW5mc0B2Z2VyLmtlcm5lbC5vcmcNCj4gU3ViamVjdDogUmU6IERpZmZl cmVudCBzZXF1ZW5jZSBvZiAiZXhwb3J0ZnMiIHByb2R1Y2UgZGlmZmVyZW50IGVmZmVjdHMgb24g bmZzDQo+IGNsaWVudCBtb3VudHMNCj4gDQo+IA0KPiBVbmZvcnR1bmF0ZWx5IEkgY2Fubm90IHNl ZSBob3cgdGhhdCBjaGFuZ2UgZXZlciBtYWRlIGFueSBpbXBvcnRhbnQNCj4gZGlmZmVyZW5jZSwg YW5kIHRoZSBlbWFpbCBleGNoYW5nZXMgZW5kcyB3aXRob3V0IHJlc29sdmluZyBhbnl0aGluZy4N Cj4gDQo+IEl0IGNvdWxkIG9ubHkgbWFrZSBhIGRpZmZlcmVuY2UgdG8gdGhlIG51bWJlciBvZiBE TlMgbG9va3VwcyBpZiB0aGVyZSB3YXMNCj4gc29tZXdoZXJlIGEgdGVzdCBmb3Igd2hldGhlciBj bGllbnRsaXN0W01DTF9GUUROXSB3YXMgTlVMTCwgYnV0IHRoZXJlIGlzbid0DQo+IGFuZCBuZXZl ciB3YXMuDQo+IA0KPiBTbyBpdCBzZWVtcyB2ZXJ5IGxpa2VseSB0aGF0Og0KPiANCj4gZGlmZiAt LWdpdCBhL3N1cHBvcnQvZXhwb3J0L2NsaWVudC5jIGIvc3VwcG9ydC9leHBvcnQvY2xpZW50LmMg aW5kZXgNCj4gYmEyZGI4Zi4uYWRiZWVkOCAxMDA2NDQNCj4gLS0tIGEvc3VwcG9ydC9leHBvcnQv Y2xpZW50LmMNCj4gKysrIGIvc3VwcG9ydC9leHBvcnQvY2xpZW50LmMNCj4gQEAgLTc2NywxNSAr NzY3LDUgQEAgY2xpZW50X2dldHR5cGUoY2hhciAqaWRlbnQpDQo+ICAJCQlzcCsrOw0KPiAgCX0N Cj4gDQo+IC0JLyoNCj4gLQkgKiBUcmVhdCB1bmFkb3JuZWQgSVAgYWRkcmVzc2VzIGFzIE1DTF9T VUJORVRXT1JLLg0KPiAtCSAqIEV2ZXJ5dGhpbmcgZWxzZSBpcyBNQ0xfRlFETi4NCj4gLQkgKi8N Cj4gLQlhaSA9IGhvc3RfcHRvbihpZGVudCk7DQo+IC0JaWYgKGFpICE9IE5VTEwpIHsNCj4gLQkJ ZnJlZWFkZHJpbmZvKGFpKTsNCj4gLQkJcmV0dXJuIE1DTF9TVUJORVRXT1JLOw0KPiAtCX0NCj4g LQ0KPiAgCXJldHVybiBNQ0xfRlFETjsNCj4gIH0NCj4gDQo+IGlzIGFwcHJvcHJpYXRlIGFuZCBt YXkgd2VsbCBmaXggdGhlIGN1cnJlbnQgaXNzdWUuDQo+IA0KPiBJdCB3b3VsZCBiZSBnb29kIHRv IHRlc3QgaG93IG1hbnkgRE5TIGxvb2tzIChob3BlZnVsbHkgbm9uZSkgYXJlIHBlcmZvcm1lZA0K PiB3aGVuIHVzaW5nIGEgZXhwb3J0cyBmaWxlIHRoYXQgY29udGFpbnMgb25seSBJUCBhZGRyZXNz ZXMsIGJvdGggYmVmb3JlIGFuZCBhZnRlcg0KPiB0aGUgcGF0Y2guDQo+IA0KPiBOZWlsQnJvd24N Cg==