From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jianpeng Ma" Subject: Re: Re: [patch 2/2 v3]raid5: create multiple threads to handle stripes Date: Mon, 24 Sep 2012 19:15:12 +0800 Message-ID: <201209241914270784655@gmail.com> References: <20120809085808.GB30111@kernel.org> <201208111645321254409@gmail.com> <201208130906432967842@gmail.com> <20120813021324.GB447@kernel.org> <201208141839308288603@gmail.com> <2012081514211356241613@gmail.com>, Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Return-path: Sender: linux-raid-owner@vger.kernel.org To: shli Cc: Neil Brown , linux-raid List-Id: linux-raid.ids U29ycnkgZm9yIHVzaW5nIHRoaXMgdGl0bGUgdG8gc2VuZCB0aGlzLg0KVGhpcyBjb2RlIG1heWJl IGVycm9yLHNvIGl0IHNob3VsZCBjb3JyZWN0KElmIG11bHRpcGxlLXRocmVhZCBkb3Nlbid0IGVu YWJsZSxpdCBtYXliZSBhbHNvIGVycm9yLGJ1dCBubyBvYnZpb3VzbHkpLg0KSW4gZnVuYyBoYW5k bGVfcGFyaXR5X2NoZWNrczU6DQo+PmNvbmYtPm1kZGV2LT5yZXN5bmNfbWlzbWF0Y2hlcyArPSBT VFJJUEVfU0VDVE9SUzsNCklmIG11bHRpLXRocmVhZCBoYW5kbGUgc3RyaXBlIG9uIGRpZmZlcmVu dCBjcHUsIHRoZXJlIHdpbGwgYmUgcmFjZWQgb24gcmVzeW5jX21pc21hdGNoZXMuDQoNClNvIHRo ZSBwYXRjaCBpczoNCg0KU3ViamVjdDogW1BBVENIXSBtZDpjaGFuZ2UgcmVzeW5jX21pc21hdGNo ZXMgdG8gYXRvbWljNjRfdCB0byBhdm9pZCByYWNlcw0KDQpTaWduZWQtb2ZmLWJ5OiBKaWFucGVu ZyBNYSA8bWFqaWFucGVuZ0BnbWFpbC5jb20+DQotLS0NCiBkcml2ZXJzL21kL21kLmMgICAgIHwg ICAgNyArKysrLS0tDQogZHJpdmVycy9tZC9tZC5oICAgICB8ICAgIDIgKy0NCiBkcml2ZXJzL21k L3JhaWQxLmMgIHwgICAgMiArLQ0KIGRyaXZlcnMvbWQvcmFpZDEwLmMgfCAgICAyICstDQogZHJp dmVycy9tZC9yYWlkNS5jICB8ICAgIDQgKystLQ0KIDUgZmlsZXMgY2hhbmdlZCwgOSBpbnNlcnRp b25zKCspLCA4IGRlbGV0aW9ucygtKQ0KDQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9tZC9tZC5jIGIv ZHJpdmVycy9tZC9tZC5jDQppbmRleCAzMDhlODdiLi5iMGI5NDc0IDEwMDY0NA0KLS0tIGEvZHJp dmVycy9tZC9tZC5jDQorKysgYi9kcml2ZXJzL21kL21kLmMNCkBAIC00Mjc4LDcgKzQyNzgsOCBA QCBzdGF0aWMgc3NpemVfdA0KIG1pc21hdGNoX2NudF9zaG93KHN0cnVjdCBtZGRldiAqbWRkZXYs IGNoYXIgKnBhZ2UpDQogew0KIAlyZXR1cm4gc3ByaW50ZihwYWdlLCAiJWxsdVxuIiwNCi0JCSAg ICAgICAodW5zaWduZWQgbG9uZyBsb25nKSBtZGRldi0+cmVzeW5jX21pc21hdGNoZXMpOw0KKwkJ ICAgICAgICh1bnNpZ25lZCBsb25nIGxvbmcpDQorCQkgICAgICAgYXRvbWljNjRfcmVhZCgmbWRk ZXYtPnJlc3luY19taXNtYXRjaGVzKSk7DQogfQ0KIA0KIHN0YXRpYyBzdHJ1Y3QgbWRfc3lzZnNf ZW50cnkgbWRfc2Nhbl9tb2RlID0NCkBAIC01MjQ1LDcgKzUyNDYsNyBAQCBzdGF0aWMgdm9pZCBt ZF9jbGVhbihzdHJ1Y3QgbWRkZXYgKm1kZGV2KQ0KIAltZGRldi0+bmV3X2xheW91dCA9IDA7DQog CW1kZGV2LT5uZXdfY2h1bmtfc2VjdG9ycyA9IDA7DQogCW1kZGV2LT5jdXJyX3Jlc3luYyA9IDA7 DQotCW1kZGV2LT5yZXN5bmNfbWlzbWF0Y2hlcyA9IDA7DQorCWF0b21pYzY0X3NldCgmbWRkZXYt PnJlc3luY19taXNtYXRjaGVzLCAwKTsNCiAJbWRkZXYtPnN1c3BlbmRfbG8gPSBtZGRldi0+c3Vz cGVuZF9oaSA9IDA7DQogCW1kZGV2LT5zeW5jX3NwZWVkX21pbiA9IG1kZGV2LT5zeW5jX3NwZWVk X21heCA9IDA7DQogCW1kZGV2LT5yZWNvdmVyeSA9IDA7DQpAQCAtNzM0OSw3ICs3MzUwLDcgQEAg dm9pZCBtZF9kb19zeW5jKHN0cnVjdCBtZGRldiAqbWRkZXYpDQogCQkgKiB3aGljaCBkZWZhdWx0 cyB0byBwaHlzaWNhbCBzaXplLCBidXQgY2FuIGJlIHZpcnR1YWwgc2l6ZQ0KIAkJICovDQogCQlt YXhfc2VjdG9ycyA9IG1kZGV2LT5yZXN5bmNfbWF4X3NlY3RvcnM7DQotCQltZGRldi0+cmVzeW5j X21pc21hdGNoZXMgPSAwOw0KKwkJYXRvbWljNjRfc2V0KCZtZGRldi0+cmVzeW5jX21pc21hdGNo ZXMsIDApOw0KIAkJLyogd2UgZG9uJ3QgdXNlIHRoZSBjaGVja3BvaW50IGlmIHRoZXJlJ3MgYSBi aXRtYXAgKi8NCiAJCWlmICh0ZXN0X2JpdChNRF9SRUNPVkVSWV9SRVFVRVNURUQsICZtZGRldi0+ cmVjb3ZlcnkpKQ0KIAkJCWogPSBtZGRldi0+cmVzeW5jX21pbjsNCmRpZmYgLS1naXQgYS9kcml2 ZXJzL21kL21kLmggYi9kcml2ZXJzL21kL21kLmgNCmluZGV4IGYzODViMDMuLjhmMzQxZDggMTAw NjQ0DQotLS0gYS9kcml2ZXJzL21kL21kLmgNCisrKyBiL2RyaXZlcnMvbWQvbWQuaA0KQEAgLTI4 Miw3ICsyODIsNyBAQCBzdHJ1Y3QgbWRkZXYgew0KIA0KIAlzZWN0b3JfdAkJCXJlc3luY19tYXhf c2VjdG9yczsgLyogbWF5IGJlIHNldCBieSBwZXJzb25hbGl0eSAqLw0KIA0KLQlzZWN0b3JfdAkJ CXJlc3luY19taXNtYXRjaGVzOyAvKiBjb3VudCBvZiBzZWN0b3JzIHdoZXJlDQorCWF0b21pYzY0 X3QJCQlyZXN5bmNfbWlzbWF0Y2hlczsgLyogY291bnQgb2Ygc2VjdG9ycyB3aGVyZQ0KIAkJCQkJ CQkgICAgKiBwYXJpdHkvcmVwbGljYSBtaXNtYXRjaCBmb3VuZA0KIAkJCQkJCQkgICAgKi8NCiAN CmRpZmYgLS1naXQgYS9kcml2ZXJzL21kL3JhaWQxLmMgYi9kcml2ZXJzL21kL3JhaWQxLmMNCmlu ZGV4IDYxMWI1ZjcuLmViY2ViOTggMTAwNjQ0DQotLS0gYS9kcml2ZXJzL21kL3JhaWQxLmMNCisr KyBiL2RyaXZlcnMvbWQvcmFpZDEuYw0KQEAgLTE4NjcsNyArMTg2Nyw3IEBAIHN0YXRpYyBpbnQg cHJvY2Vzc19jaGVja3Moc3RydWN0IHIxYmlvICpyMV9iaW8pDQogCQl9IGVsc2UNCiAJCQlqID0g MDsNCiAJCWlmIChqID49IDApDQotCQkJbWRkZXYtPnJlc3luY19taXNtYXRjaGVzICs9IHIxX2Jp by0+c2VjdG9yczsNCisJCQlhdG9taWM2NF9hZGQocjFfYmlvLT5zZWN0b3JzLCAmbWRkZXYtPnJl c3luY19taXNtYXRjaGVzKTsNCiAJCWlmIChqIDwgMCB8fCAodGVzdF9iaXQoTURfUkVDT1ZFUllf Q0hFQ0ssICZtZGRldi0+cmVjb3ZlcnkpDQogCQkJICAgICAgJiYgdGVzdF9iaXQoQklPX1VQVE9E QVRFLCAmc2Jpby0+YmlfZmxhZ3MpKSkgew0KIAkJCS8qIE5vIG5lZWQgdG8gd3JpdGUgdG8gdGhp cyBkZXZpY2UuICovDQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9tZC9yYWlkMTAuYyBiL2RyaXZlcnMv bWQvcmFpZDEwLmMNCmluZGV4IDFjMmViMzguLmFkMGE4YjcgMTAwNjQ0DQotLS0gYS9kcml2ZXJz L21kL3JhaWQxMC5jDQorKysgYi9kcml2ZXJzL21kL3JhaWQxMC5jDQpAQCAtMTk1MCw3ICsxOTUw LDcgQEAgc3RhdGljIHZvaWQgc3luY19yZXF1ZXN0X3dyaXRlKHN0cnVjdCBtZGRldiAqbWRkZXYs IHN0cnVjdCByMTBiaW8gKnIxMF9iaW8pDQogCQkJCQlicmVhazsNCiAJCQlpZiAoaiA9PSB2Y250 KQ0KIAkJCQljb250aW51ZTsNCi0JCQltZGRldi0+cmVzeW5jX21pc21hdGNoZXMgKz0gcjEwX2Jp by0+c2VjdG9yczsNCisJCQlhdG9taWM2NF9hZGQocjEwX2Jpby0+c2VjdG9ycywgJm1kZGV2LT5y ZXN5bmNfbWlzbWF0Y2hlcyk7DQogCQkJaWYgKHRlc3RfYml0KE1EX1JFQ09WRVJZX0NIRUNLLCAm bWRkZXYtPnJlY292ZXJ5KSkNCiAJCQkJLyogRG9uJ3QgZml4IGFueXRoaW5nLiAqLw0KIAkJCQlj b250aW51ZTsNCmRpZmYgLS1naXQgYS9kcml2ZXJzL21kL3JhaWQ1LmMgYi9kcml2ZXJzL21kL3Jh aWQ1LmMNCmluZGV4IDcwMzFiODYuLjBhMjcwMmYgMTAwNjQ0DQotLS0gYS9kcml2ZXJzL21kL3Jh aWQ1LmMNCisrKyBiL2RyaXZlcnMvbWQvcmFpZDUuYw0KQEAgLTI5MzEsNyArMjkzMSw3IEBAIHN0 YXRpYyB2b2lkIGhhbmRsZV9wYXJpdHlfY2hlY2tzNShzdHJ1Y3QgcjVjb25mICpjb25mLCBzdHJ1 Y3Qgc3RyaXBlX2hlYWQgKnNoLA0KIAkJCSAqLw0KIAkJCXNldF9iaXQoU1RSSVBFX0lOU1lOQywg JnNoLT5zdGF0ZSk7DQogCQllbHNlIHsNCi0JCQljb25mLT5tZGRldi0+cmVzeW5jX21pc21hdGNo ZXMgKz0gU1RSSVBFX1NFQ1RPUlM7DQorCQkJYXRvbWljNjRfYWRkKFNUUklQRV9TRUNUT1JTLCAm Y29uZi0+bWRkZXYtPnJlc3luY19taXNtYXRjaGVzKTsNCiAJCQlpZiAodGVzdF9iaXQoTURfUkVD T1ZFUllfQ0hFQ0ssICZjb25mLT5tZGRldi0+cmVjb3ZlcnkpKQ0KIAkJCQkvKiBkb24ndCB0cnkg dG8gcmVwYWlyISEgKi8NCiAJCQkJc2V0X2JpdChTVFJJUEVfSU5TWU5DLCAmc2gtPnN0YXRlKTsN CkBAIC0zMDgzLDcgKzMwODMsNyBAQCBzdGF0aWMgdm9pZCBoYW5kbGVfcGFyaXR5X2NoZWNrczYo c3RydWN0IHI1Y29uZiAqY29uZiwgc3RydWN0IHN0cmlwZV9oZWFkICpzaCwNCiAJCQkJICovDQog CQkJfQ0KIAkJfSBlbHNlIHsNCi0JCQljb25mLT5tZGRldi0+cmVzeW5jX21pc21hdGNoZXMgKz0g U1RSSVBFX1NFQ1RPUlM7DQorCQkJYXRvbWljNjRfYWRkKFNUUklQRV9TRUNUT1JTLCAmY29uZi0+ bWRkZXYtPnJlc3luY19taXNtYXRjaGVzKTsNCiAJCQlpZiAodGVzdF9iaXQoTURfUkVDT1ZFUllf Q0hFQ0ssICZjb25mLT5tZGRldi0+cmVjb3ZlcnkpKQ0KIAkJCQkvKiBkb24ndCB0cnkgdG8gcmVw YWlyISEgKi8NCiAJCQkJc2V0X2JpdChTVFJJUEVfSU5TWU5DLCAmc2gtPnN0YXRlKTsNCi0tIA0K MS43LjkuNQ0KDQo=