From mboxrd@z Thu Jan 1 00:00:00 1970 From: majianpeng Subject: [PATCH 6/6] scsi-mq: Pre-allocation of sg tables base on min(host->hostt->sg_tablesize,SCSI_MQ_MAX_SG_SEGMENTS). Date: Fri, 29 Nov 2013 16:42:24 +0800 Message-ID: <201311291642208390779@gmail.com> Reply-To: majianpeng Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: base64 Return-path: Received: from mail-pd0-f169.google.com ([209.85.192.169]:52867 "EHLO mail-pd0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751235Ab3K2Imf (ORCPT ); Fri, 29 Nov 2013 03:42:35 -0500 Received: by mail-pd0-f169.google.com with SMTP id v10so13504348pde.28 for ; Fri, 29 Nov 2013 00:42:35 -0800 (PST) Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: nab Cc: linux-scsi U2lnbmVkLW9mZi1ieTogSmlhbnBlbmcgTWEgPG1hamlhbnBlbmdAZ21haWwuY29tPg0KLS0tDQog ZHJpdmVycy9zY3NpL3Njc2ktbXEuYyB8ICAgMTMgKysrKysrKysrKy0tLQ0KIDEgZmlsZSBjaGFu Z2VkLCAxMCBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQ0KDQpkaWZmIC0tZ2l0IGEvZHJp dmVycy9zY3NpL3Njc2ktbXEuYyBiL2RyaXZlcnMvc2NzaS9zY3NpLW1xLmMNCmluZGV4IDc4YjA1 YzEuLjdiODEzN2IgMTAwNjQ0DQotLS0gYS9kcml2ZXJzL3Njc2kvc2NzaS1tcS5jDQorKysgYi9k cml2ZXJzL3Njc2kvc2NzaS1tcS5jDQpAQCAtMTU0LDYgKzE1NCw3IEBAIGludCBzY3NpX21xX2Fs bG9jX3F1ZXVlKHN0cnVjdCBTY3NpX0hvc3QgKnNoLCBzdHJ1Y3Qgc2NzaV9kZXZpY2UgKnNkZXYp DQogCXN0cnVjdCByZXF1ZXN0ICpycTsNCiAJc3RydWN0IHNjc2lfY21uZCAqc2M7DQogCWludCBp LCBqOw0KKwlpbnQgc2dsX3NpemU7DQogDQogCXNkZXYtPnNkZXZfbXFfcmVnLm9wcyA9ICZzY3Np X21xX29wczsNCiAJc2Rldi0+c2Rldl9tcV9yZWcucXVldWVfZGVwdGggPSBtaW4oKHNob3J0KXNo LT5ob3N0dC0+Y2FuX3F1ZXVlLA0KQEAgLTE4NiwxMyArMTg3LDIwIEBAIGludCBzY3NpX21xX2Fs bG9jX3F1ZXVlKHN0cnVjdCBTY3NpX0hvc3QgKnNoLCBzdHJ1Y3Qgc2NzaV9kZXZpY2UgKnNkZXYp DQogCSAqIFNldCBleGlzdGluZyBTY3NpX0hvc3QgYmFzZWQgaGFyZHdhcmUgbGltaXRzIGZyb20g c2NzaV9saWIuYw0KIAkgKi8NCiAJc2NzaV9pbml0X3JlcXVlc3RfcXVldWUocSwgc2gpOw0KKw0K KwlpZiAoc2gtPmhvc3R0LT5zZ190YWJsZXNpemUgPiBTQ1NJX01RX01BWF9TR19TRUdNRU5UUykg ew0KKwkJcHJpbnRrKEtFUk5fRVJSIkhvc3QlZCBzZ190YWJsZXNpemUgdG9vIGxhcmdlciB0aGFu ICVkXG4iLA0KKwkJCXNoLT5ob3N0X25vLCBTQ1NJX01RX01BWF9TR19TRUdNRU5UUyk7DQorCQlz aC0+aG9zdHQtPnNnX3RhYmxlc2l6ZSA9IFNDU0lfTVFfTUFYX1NHX1NFR01FTlRTOw0KKwl9DQor CXNnbF9zaXplID0gc2gtPmhvc3R0LT5zZ190YWJsZXNpemUgKiBzaXplb2Yoc3RydWN0IHNjYXR0 ZXJsaXN0KTsNCisNCiAJLyoNCiAJICogRG8gcmVtYWluaW5nIHNldHVwIG9mIHByZS1hbGxvY2F0 ZWQgc2NzaV9jbW5kIGRlc2NyaXB0b3IgbWFwIGZvcg0KIAkgKiBlYWNoIHNjc2ktbXEgaGN0eA0K IAkgKi8NCiAvL0ZJWE1FOiBEbyBjbWQtPnByb3Rfc2RiIHNldHVwIGZvciBESUYgZnJvbSBzY3Np X2hvc3RfYWxsb2NfY29tbWFuZA0KIAlxdWV1ZV9mb3JfZWFjaF9od19jdHgocSwgaGN0eCwgaSkg ew0KLQ0KIAkJcHJpbnRrKCJQZXJmb3JtaW5nIHNjIG1hcCBzZXR1cCBvbiBxOiAlcCBoY3R4OiAl cCBpOiAlZFxuIiwgcSwgaGN0eCwgaSk7DQogDQogCQlmb3IgKGogPSAwOyBqIDwgaGN0eC0+cXVl dWVfZGVwdGg7IGorKykgew0KQEAgLTIwMSw4ICsyMDksNyBAQCBpbnQgc2NzaV9tcV9hbGxvY19x dWV1ZShzdHJ1Y3QgU2NzaV9Ib3N0ICpzaCwgc3RydWN0IHNjc2lfZGV2aWNlICpzZGV2KQ0KIAkJ CXNjLT5kZXZpY2UgPSBzZGV2Ow0KIAkJCXNjLT5sbF9saXN0Lm5leHQgPSBOVUxMOw0KIA0KLS8v RklYTUU6IFByZS1hbGxvY2F0aW9uIG9mIHNnIHRhYmxlcyBiYXNlZCB1cG9uIG1heF9zZWN0b3Jz DQotCQkJc2MtPm1xX3NnbCA9IGt6YWxsb2Nfbm9kZShTQ1NJX01RX1NHTF9TSVpFLA0KKwkJCXNj LT5tcV9zZ2wgPSBremFsbG9jX25vZGUoc2dsX3NpemUsDQogCQkJCQlHRlBfS0VSTkVMLCBzZGV2 LT5zZGV2X21xX3JlZy5udW1hX25vZGUpOw0KIAkJCWlmICghc2MtPm1xX3NnbCkgew0KIAkJCQlw cl9lcnIoIlVuYWJsZSB0byBwcmUtYWxsb2NhdGUgc2MtPnNkYlxuIik7DQotLSANCjEuNy4xMC40 DQo=