From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH] SCSI: don't get target/host busy_count in scsi_mq_get_budget() Date: Wed, 8 Nov 2017 16:41:35 +0000 Message-ID: <1510159293.24237.19.camel@wdc.com> References: <20171104015534.32684-1-ming.lei@redhat.com> <1509997522.2409.58.camel@wdc.com> <20171107021125.GB15090@ming.t460p> <1510071607.2656.17.camel@wdc.com> <20171108003934.GB20599@ming.t460p> <26ee805b-883f-d588-5649-13700244b6e8@kernel.dk> <20171108025830.GA30129@ming.t460p> <1a153ff3-9d53-d347-cb16-b8480e690221@kernel.dk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1a153ff3-9d53-d347-cb16-b8480e690221@kernel.dk> Content-Language: en-US Content-ID: Sender: linux-block-owner@vger.kernel.org To: "axboe@kernel.dk" , "ming.lei@redhat.com" Cc: "linux-block@vger.kernel.org" , "hch@infradead.org" , "martin.petersen@oracle.com" , "linux-scsi@vger.kernel.org" , "john.garry@huawei.com" , "osandov@fb.com" , "jejb@linux.vnet.ibm.com" , "loberman@redhat.com" List-Id: linux-scsi@vger.kernel.org T24gVHVlLCAyMDE3LTExLTA3IGF0IDIwOjA2IC0wNzAwLCBKZW5zIEF4Ym9lIHdyb3RlOg0KPiBB dCB0aGlzIHBvaW50LCBJIGhhdmUgbm8gaWRlYSB3aGF0IEJhcnQncyBzZXR1cCBsb29rcyBsaWtl LiBCYXJ0LCBpdA0KPiB3b3VsZCBiZSBSRUFMTFkgaGVscGZ1bCBpZiB5b3UgY291bGQgdGVsbCB1 cyBob3cgeW91IGFyZSByZXByb2R1Y2luZw0KPiB5b3VyIGhhbmcuIEkgZG9uJ3Qga25vdyB3aHkg dGhpcyBoYXMgdG8gYmUgZHJhZ2dlZCBvdXQuDQoNCkhlbGxvIEplbnMsDQoNCkl0IGlzIGEgZGlz YXBwb2ludG1lbnQgdG8gbWUgdGhhdCB5b3UgaGF2ZSBhbGxvd2VkIE1pbmcgdG8gZXZhbHVhdGUg b3RoZXINCmFwcHJvYWNoZXMgdGhhbiByZXZlcnRpbmcgImJsay1tcTogZG9uJ3QgaGFuZGxlIFRB R19TSEFSRUQgaW4gcmVzdGFydCIuIFRoYXQNCnBhdGNoIG5hbWVseSByZXBsYWNlcyBhbiBhbGdv cml0aG0gdGhhdCBpcyB0cnVzdGVkIGJ5IHRoZSBjb21tdW5pdHkgd2l0aCBhbg0KYWxnb3JpdGht IG9mIHdoaWNoIGV2ZW4gTWluZyBhY2tub3dsZWRnZWQgdGhhdCBpdCBpcyByYWN5LiBBIHF1b3Rl IGZyb20gWzFdOg0KIklPIGhhbmcgbWF5IGJlIGNhdXNlZCBpZiBhbGwgcmVxdWVzdHMgYXJlIGNv bXBsZXRlZCBqdXN0IGJlZm9yZSB0aGUgY3VycmVudA0KU0NTSSBkZXZpY2UgaXMgYWRkZWQgdG8g c2hvc3QtPnN0YXJ2ZWRfbGlzdCIuIEkgZG9uJ3Qga25vdyBvZiBhbnkgd2F5IHRvIGZpeA0KdGhh dCByYWNlIG90aGVyIHRoYW4gc2VyaWFsaXppbmcgcmVxdWVzdCBzdWJtaXNzaW9uIGFuZCBjb21w bGV0aW9uIGJ5IGFkZGluZw0KbG9ja2luZyBhcm91bmQgdGhlc2UgYWN0aW9ucywgd2hpY2ggaXMg c29tZXRoaW5nIHdlIGRvbid0IHdhbnQuIEhlbmNlIG15DQpyZXF1ZXN0IHRvIHJldmVydCB0aGF0 IHBhdGNoLg0KDQpSZWdhcmRpbmcgdGhlIHRlc3QgSSBydW4sIGhlcmUgaXMgYSBzdW1tYXJ5IG9m IHdoYXQgSSBtZW50aW9uZWQgaW4gcHJldmlvdXMNCmUtbWFpbHM6DQoqIEkgbW9kaWZpZWQgdGhl IFNSUCBpbml0aWF0b3Igc3VjaCB0aGF0IHRoZSBTQ1NJIHRhcmdldCBxdWV1ZSBkZXB0aCBpcw0K ICByZWR1Y2VkIHRvIG9uZSBieSBzZXR0aW5nIHN0YXJnZXQtPmNhbl9xdWV1ZSB0byAxIGZyb20g aW5zaWRlDQogIHNjc2lfaG9zdF90ZW1wbGF0ZS50YXJnZXRfYWxsb2MuDQoqIFdpdGggdGhhdCBt b2RpZmllZCBTUlAgaW5pdGlhdG9yIEkgcnVuIHRoZSBzcnAtdGVzdCBzb2Z0d2FyZSBhcyBmb2xs b3dzDQogIHVudGlsIHNvbWV0aGluZyBicmVha3M6DQogIHdoaWxlIC4vcnVuX3Rlc3RzIC1mIHhm cyAtZCAtZSBkZWFkbGluZSAtciA2MDsgZG8gOjsgZG9uZQ0KDQpUb2RheSBhIHN5c3RlbSB3aXRo IGF0IGxlYXN0IG9uZSBJbmZpbmlCYW5kIEhDQSBpcyByZXF1aXJlZCB0byBydW4gdGhhdCB0ZXN0 Lg0KV2hlbiBJIGhhdmUgdGhlIHRpbWUgSSB3aWxsIHBvc3QgdGhlIFNSUCBpbml0aWF0b3IgYW5k IHRhcmdldCBwYXRjaGVzIG9uIHRoZQ0KbGludXgtcmRtYSBtYWlsaW5nIGxpc3QgdGhhdCBtYWtl IGl0IHBvc3NpYmxlIHRvIHJ1biB0aGF0IHRlc3QgYWdhaW5zdCB0aGUNClNvZnRSb0NFIGRyaXZl ciAoZHJpdmVycy9pbmZpbmliYW5kL3N3L3J4ZSkuIFRoZSBvbmx5IGhhcmR3YXJlIHJlcXVpcmVk IHRvDQp1c2UgdGhhdCBkcml2ZXIgaXMgYW4gRXRoZXJuZXQgYWRhcHRlci4NCg0KQmFydC4NCg0K WzFdIFtQQVRDSF0gU0NTSTogZG9uJ3QgZ2V0IHRhcmdldC9ob3N0IGJ1c3lfY291bnQgaW4gc2Nz aV9tcV9nZXRfYnVkZ2V0KCkNCihodHRwczovL3d3dy5tYWlsLWFyY2hpdmUuY29tL2xpbnV4LWJs b2NrQHZnZXIua2VybmVsLm9yZy9tc2cxNTI2My5odG1sKS4=