Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx2.netapp.com ([216.240.18.37]:28119 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753474Ab2CKRhq (ORCPT ); Sun, 11 Mar 2012 13:37:46 -0400 From: "Myklebust, Trond" To: Boaz Harrosh CC: Linux NFS mailing list Subject: Bug in the pNFS OSD layout driver Date: Sun, 11 Mar 2012 17:37:29 +0000 Message-ID: <1331487447.2496.10.camel@lade.trondhjem.org> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: SGkgQm9heiwNCg0KV2hlbiBJIHJ1biAnc3BhcnNlJyBvbiB0aGUgb2JqZWN0IGxheW91dCBkcml2 ZXIsIEkgZ2V0IHRoZSBmb2xsb3dpbmcNCmVycm9yczoNCg0KZnMvbmZzL29iamxheW91dC9vYmpp b19vc2QuYzoyMTA6Mzc6IGVycm9yOiBiYWQgY29uc3RhbnQgZXhwcmVzc2lvbg0KZnMvbmZzL29i amxheW91dC9vYmppb19vc2QuYzoyMTE6Mzk6IGVycm9yOiBiYWQgY29uc3RhbnQgZXhwcmVzc2lv bg0KZnMvbmZzL29iamxheW91dC9vYmppb19vc2QuYzozMTU6NTk6IGVycm9yOiBiYWQgY29uc3Rh bnQgZXhwcmVzc2lvbg0KDQp3aGljaCBib2lscyBkb3duIHRvIHRoZSBmb2xsb3dpbmcgc2VjdGlv biBvZiBjb2RlOg0KDQppbnQgX19hbGxvY19vYmppb19zZWcodW5zaWduZWQgbnVtZGV2cywgZ2Zw X3QgZ2ZwX2ZsYWdzLA0KICAgICAgICAgICAgICAgICAgICAgICBzdHJ1Y3Qgb2JqaW9fc2VnbWVu dCAqKnBzZWcpDQp7DQogICAgICAgIHN0cnVjdCBfX2FsbG9jX29iamlvX3NlZ21lbnQgew0KICAg ICAgICAgICAgICAgIHN0cnVjdCBvYmppb19zZWdtZW50IG9sc2VnOw0KICAgICAgICAgICAgICAg IHN0cnVjdCBvcmVfZGV2ICpvZHNbbnVtZGV2c107DQoJCV5eXl5eXl5eXl5eXl5eXl5eXl5eXl5e Xl5eXl5eDQogICAgICAgICAgICAgICAgc3RydWN0IG9yZV9jb21wIGNvbXBzW251bWRldnNdOw0K CQleXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eDQogICAgICAgIH0gKmFvbHNlZzsNCg0K ICAgICAgICBhb2xzZWcgPSBremFsbG9jKHNpemVvZigqYW9sc2VnKSwgZ2ZwX2ZsYWdzKTsNCg0K DQpEeW5hbWljYWxseSBhbGxvY2F0ZWQgYXJyYXlzIHN1Y2ggYXMgdGhlIGFib3ZlIGFyZSBhIEdO VSBDIGNvbXBpbGVyDQpmZWF0dXJlIHRoYXQgd2UgY2Fubm90IHVzZSBpbiBrZXJuZWwgY29kZS4g SWYgdGhlIGFib3ZlIGFycmF5IHNpemVzIG5lZWQNCnRvIGJlIGR5bmFtaWNhbGx5IGRldGVybWlu ZWQsIHRoZW4gcGxlYXNlIHVzZSB0aGUga2NhbGxvYygpIGludGVyZmFjZSB0bw0KYWxsb2NhdGUg dGhlbS4NCkkuZS4gc29tZXRoaW5nIGxpa2UNCg0KICAgICAgICBzdHJ1Y3QgX19hbGxvY19vYmpp b19zZWdtZW50IHsNCiAgICAgICAgICAgICAgICBzdHJ1Y3Qgb2JqaW9fc2VnbWVudCBvbHNlZzsN CiAgICAgICAgICAgICAgICBzdHJ1Y3Qgb3JlX2RldiAqKm9kczsNCiAgICAgICAgICAgICAgICBz dHJ1Y3Qgb3JlX2NvbXAgKmNvbXBzOw0KCQleXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5e DQogICAgICAgIH0gKmFvbHNlZzsNCg0KICAgICAgICBhb2xzZWcgPSBremFsbG9jKHNpemVvZigq YW9sc2VnKSwgZ2ZwX2ZsYWdzKTsNCglpZiAoYW9sc2VnKSB7DQoJCWFvbHNlZy0+b2RzID0ga2Nh bGxvYyhudW1kZXZzLCBzaXplb2Yoc3RydWN0IG9yZV9kZXYgKiksIGdmcF9mbGFncyk7DQoJCWFv bHNlZy0+b3JlX2NvbXAgPSBrY2FsbG9jKG51bWRldnMsIHNpemVvZihzdHJ1Y3Qgb3JlX2NvbXAp LCBnZnBfZmxhZ3MpOw0KCQlpZiAoIWFvbHNlZy0+b2RzIHx8ICFhb2xzZWctPm9yZV9jb21wKQ0K CQkJLi4uLiBjbGVhbiB1cCBhbmQgcmVwb3J0IGVycm9yLi4uDQoJfQ0KDQpDaGVlcnMNCiAgVHJv bmQNCi0tIA0KVHJvbmQgTXlrbGVidXN0DQpMaW51eCBORlMgY2xpZW50IG1haW50YWluZXINCg0K TmV0QXBwDQpUcm9uZC5NeWtsZWJ1c3RAbmV0YXBwLmNvbQ0Kd3d3Lm5ldGFwcC5jb20NCg0K