From mboxrd@z Thu Jan 1 00:00:00 1970 From: majianpeng Subject: [PATCH 1/2 V1] md:Avoid write invalid address if read_seqretry returned true. Date: Thu, 8 Nov 2012 08:56:27 +0800 Message-ID: <201211080856156202401@gmail.com> Reply-To: majianpeng Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Return-path: Sender: linux-raid-owner@vger.kernel.org To: NeilBrown Cc: linux-raid , zhuwenfeng List-Id: linux-raid.ids SGkgTmVpbCwNCglJIHVwZGF0ZWQgdGhpcyBwYXRjaC5UaGVyZSBhcmUgdHdvIHBsYWNlIHRvIGNo YW5nZWQNCjE6VGhlIHByZXZpb3VzIHBhdGNoIG9taXQgdGhlIHBhcmFtZXRlciAncCcNCjI6VXNp bmcgcFtpXSBpbnN0ZWFkIG9mICpwKys7IGJicFtpXSBpbnN0ZWFkICpiYnArKy5JdCBtYWtlIHRo ZSBjb2RlIGxvb2tzIGJldHRlci4NCkFmdGVyIHJld3JpdGluZyAsaSB0ZXN0ZWQgYW5kIGl0IGxv b2tlZCBnb29kLg0KDQoNCklmIHJlYWRfc2VxcmV0cnkgcmV0dXJuZWQgdHJ1ZSBhbmQgYmJwIHdh cyBjaGFuZ2VkLCBpdCB3aWxsIHdyaXRlDQppbnZhbGlkIGFkZHJlc3Mgd2hpY2ggY2FuIGNhdXNl IHNvbWUgc2VyaW91cyBwcm9ibGVtLg0KDQpUaGlzIGJ1ZyB3YXMgaW50cm9kdWNlZCBieSBjb21t aXQgdjMuMC1yYzctMTMwLWcyNjk5YjY3Lg0KU28gZml4IGlzIHN1aXRhYmxlIGZvciAzLjAueSB0 aHJ1IDMuNi55Lg0KDQpSZXBvcnRlZC1ieTogemh1d2VuZmVuZ0BrZWRhY29tLmNvbQ0KVGVzdGVk LWJ5OiB6aHV3ZW5mZW5nQGtlZGFjb20uY29tDQpDYzogc3RhYmxlQHZnZXIua2VybmVsLm9yZw0K U2lnbmVkLW9mZi1ieTogSmlhbnBlbmcgTWEgPG1hamlhbnBlbmdAZ21haWwuY29tPg0KLS0tDQog ZHJpdmVycy9tZC9tZC5jIHwgICAgNCArKy0tDQogMSBmaWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9u cygrKSwgMiBkZWxldGlvbnMoLSkNCg0KZGlmZiAtLWdpdCBhL2RyaXZlcnMvbWQvbWQuYyBiL2Ry aXZlcnMvbWQvbWQuYw0KaW5kZXggOWFiNzY4YS4uMWY4NmM0OCAxMDA2NDQNCi0tLSBhL2RyaXZl cnMvbWQvbWQuYw0KKysrIGIvZHJpdmVycy9tZC9tZC5jDQpAQCAtMTgxNywxMCArMTgxNywxMCBA QCByZXRyeToNCiAJCQltZW1zZXQoYmJwLCAweGZmLCBQQUdFX1NJWkUpOw0KIA0KIAkJCWZvciAo aSA9IDAgOyBpIDwgYmItPmNvdW50IDsgaSsrKSB7DQotCQkJCXU2NCBpbnRlcm5hbF9iYiA9ICpw Kys7DQorCQkJCXU2NCBpbnRlcm5hbF9iYiA9IHBbaV07DQogCQkJCXU2NCBzdG9yZV9iYiA9ICgo QkJfT0ZGU0VUKGludGVybmFsX2JiKSA8PCAxMCkNCiAJCQkJCQl8IEJCX0xFTihpbnRlcm5hbF9i YikpOw0KLQkJCQkqYmJwKysgPSBjcHVfdG9fbGU2NChzdG9yZV9iYik7DQorCQkJCWJicFtpXSA9 IGNwdV90b19sZTY0KHN0b3JlX2JiKTsNCiAJCQl9DQogCQkJYmItPmNoYW5nZWQgPSAwOw0KIAkJ CWlmIChyZWFkX3NlcXJldHJ5KCZiYi0+bG9jaywgc2VxKSkNCi0tIA0KMS43LjkuNQ0K