From mboxrd@z Thu Jan 1 00:00:00 1970 From: majianpeng Subject: [PATCH 4/5] md: Return proper error rather than EIO. Date: Sat, 27 Oct 2012 10:28:30 +0800 Message-ID: <201210271028260803459@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 List-Id: linux-raid.ids U2lnbmVkLW9mZi1ieTogSmlhbnBlbmcgTWEgPG1hamlhbnBlbmdAZ21haWwuY29tPg0KLS0tDQog ZHJpdmVycy9tZC9yYWlkMS5jIHwgICAgNCArKy0tDQogZHJpdmVycy9tZC9yYWlkNS5jIHwgICAg NCArKy0tDQogMiBmaWxlcyBjaGFuZ2VkLCA0IGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0p DQoNCmRpZmYgLS1naXQgYS9kcml2ZXJzL21kL3JhaWQxLmMgYi9kcml2ZXJzL21kL3JhaWQxLmMN CmluZGV4IDgwMzRmYmQuLmUyZjM3ODMgMTAwNjQ0DQotLS0gYS9kcml2ZXJzL21kL3JhaWQxLmMN CisrKyBiL2RyaXZlcnMvbWQvcmFpZDEuYw0KQEAgLTI3OTksMTIgKzI3OTksMTIgQEAgc3RhdGlj IGludCBydW4oc3RydWN0IG1kZGV2ICptZGRldikNCiAJaWYgKG1kZGV2LT5sZXZlbCAhPSAxKSB7 DQogCQlwcmludGsoS0VSTl9FUlIgIm1kL3JhaWQxOiVzOiByYWlkIGxldmVsIG5vdCBzZXQgdG8g bWlycm9yaW5nICglZClcbiIsDQogCQkgICAgICAgbWRuYW1lKG1kZGV2KSwgbWRkZXYtPmxldmVs KTsNCi0JCXJldHVybiAtRUlPOw0KKwkJcmV0dXJuIC1FSU5WQUw7DQogCX0NCiAJaWYgKG1kZGV2 LT5yZXNoYXBlX3Bvc2l0aW9uICE9IE1heFNlY3Rvcikgew0KIAkJcHJpbnRrKEtFUk5fRVJSICJt ZC9yYWlkMTolczogcmVzaGFwZV9wb3NpdGlvbiBzZXQgYnV0IG5vdCBzdXBwb3J0ZWRcbiIsDQog CQkgICAgICAgbWRuYW1lKG1kZGV2KSk7DQotCQlyZXR1cm4gLUVJTzsNCisJCXJldHVybiAtRUlO VkFMOw0KIAl9DQogCS8qDQogCSAqIGNvcHkgdGhlIGFscmVhZHkgdmVyaWZpZWQgZGV2aWNlcyBp bnRvIG91ciBwcml2YXRlIFJBSUQxDQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9tZC9yYWlkNS5jIGIv ZHJpdmVycy9tZC9yYWlkNS5jDQppbmRleCBjNTQzOWRjLi42ODRjYTc2IDEwMDY0NA0KLS0tIGEv ZHJpdmVycy9tZC9yYWlkNS5jDQorKysgYi9kcml2ZXJzL21kL3JhaWQ1LmMNCkBAIC01MDg4LDcg KzUwODgsNyBAQCBzdGF0aWMgc3RydWN0IHI1Y29uZiAqc2V0dXBfY29uZihzdHJ1Y3QgbWRkZXYg Km1kZGV2KQ0KIAkgICAgJiYgbWRkZXYtPm5ld19sZXZlbCAhPSA2KSB7DQogCQlwcmludGsoS0VS Tl9FUlIgIm1kL3JhaWQ6JXM6IHJhaWQgbGV2ZWwgbm90IHNldCB0byA0LzUvNiAoJWQpXG4iLA0K IAkJICAgICAgIG1kbmFtZShtZGRldiksIG1kZGV2LT5uZXdfbGV2ZWwpOw0KLQkJcmV0dXJuIEVS Ul9QVFIoLUVJTyk7DQorCQlyZXR1cm4gRVJSX1BUUigtRUlOVkFMKTsNCiAJfQ0KIAlpZiAoKG1k ZGV2LT5uZXdfbGV2ZWwgPT0gNQ0KIAkgICAgICYmICFhbGdvcml0aG1fdmFsaWRfcmFpZDUobWRk ZXYtPm5ld19sYXlvdXQpKSB8fA0KQEAgLTUwOTYsNyArNTA5Niw3IEBAIHN0YXRpYyBzdHJ1Y3Qg cjVjb25mICpzZXR1cF9jb25mKHN0cnVjdCBtZGRldiAqbWRkZXYpDQogCSAgICAgJiYgIWFsZ29y aXRobV92YWxpZF9yYWlkNihtZGRldi0+bmV3X2xheW91dCkpKSB7DQogCQlwcmludGsoS0VSTl9F UlIgIm1kL3JhaWQ6JXM6IGxheW91dCAlZCBub3Qgc3VwcG9ydGVkXG4iLA0KIAkJICAgICAgIG1k bmFtZShtZGRldiksIG1kZGV2LT5uZXdfbGF5b3V0KTsNCi0JCXJldHVybiBFUlJfUFRSKC1FSU8p Ow0KKwkJcmV0dXJuIEVSUl9QVFIoLUVJTlZBTCk7DQogCX0NCiAJaWYgKG1kZGV2LT5uZXdfbGV2 ZWwgPT0gNiAmJiBtZGRldi0+cmFpZF9kaXNrcyA8IDQpIHsNCiAJCXByaW50ayhLRVJOX0VSUiAi bWQvcmFpZDolczogbm90IGVub3VnaCBjb25maWd1cmVkIGRldmljZXMgKCVkLCBtaW5pbXVtIDQp XG4iLA0KLS0gDQoxLjcuOS41DQo=