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Petersen" , Greg KH , Hans Holmberg , Kernel development list Subject: AW: AW: Slow I/O on USB media after commit f664a3cc17b7d0a2bc3b3ab96181e1029b0ec0e6 Thread-Topic: AW: Slow I/O on USB media after commit f664a3cc17b7d0a2bc3b3ab96181e1029b0ec0e6 Thread-Index: AQHVV3qcHF7jYFXqX02A+/ZaS0pzdqeAjBMAgANe+wCAFDitAIAAzHgAgACKv4CAAl41gIAAaSkAgAAFKQCAAEsvAIAABMGAgAA8WICAAIDlgIAAV4SAgAEWB4CAAIOAUIABi16AgAACn+A= Date: Thu, 28 Nov 2019 08:12:39 +0000 Message-ID: References: <20191109222828.GA30568@ming.t460p> <20191123072726.GC25356@ming.t460p> <20191125035437.GA3806@ming.t460p> <20191125102928.GA20489@ming.t460p> <20191125151535.GA8044@ming.t460p> <0876e232feace900735ac90d27136288b54dafe1.camel@unipv.it> <20191126023253.GA24501@ming.t460p> <0598fe2754bf0717d81f7e72d3e9b3230c608cc6.camel@unipv.it> In-Reply-To: Accept-Language: de-DE, en-IE, en-US Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [137.202.0.90] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiA+ID4gVGhlIHNoZWVyIHZvbHVtZSBvZiB0ZXN0aW5nIChwcm9iYWJseSBzb21lIHRlcmFieXRl cyBieSBub3cpIHdvdWxkDQo+ID4gPiBleGVyY2lzZSB0aGUgd2VhciBsZXZlbGluZyBhbGdvcml0 aG0gaW4gdGhlIEZUTC4NCj4gPiA+DQo+ID4gQnV0IHdpdGggIm9sZCBrZXJuZWwiIHRoZSBjb3B5 IG9wZXJhdGlvbiBzdGlsbCBpcyAiZmFzdCIsIGFzIGZhciBhcw0KPiA+IGkgdW5kZXJzdG9vZC4N Cj4gPiBJZiBGVEwgKGUuZy4gd2VhciBsZXZlbGluZykgd291bGQgc2xvdyBkb3duLCB3ZSB3b3Vs ZCBzZWUgdGhhdCBhbHNvDQo+ID4gaW4NCj4gPiB0aGUgb2xkIGtlcm5lbCwgcmlnaHQ/DQo+ID4N Cj4gPiBBbmRyZWEsIGNhbiB5b3UgY29uZmlybSB0aGF0IHRoZSBzYW1lIGRldmljZSB1c2VkIHdp dGggdGhlIG9sZCBmYXN0DQo+ID4ga2VybmVsIGlzIHN0aWxsIGZhc3QgdG9kYXk/DQo+IA0KPiBZ ZXMsIGl0IGlzIHN0aWxsIGZhc3QuIEp1c3QgcmFuIGEgMTAwIHRyaWFscyB0ZXN0IGFuZCBnb3Qg YW4gYXZlcmFnZQ0KPiBvZiA3MCBzZWNvbmRzIHdpdGggc3RhbmRhcmQgZGV2aWF0aW9uID0gNiBz ZWNvbmRzLCBhbGlnbmVkIHdpdGggdGhlDQo+IHBhc3QgdmFsdWVzIG9mIHRoZSBzYW1lIGtlcm5l bC4NCj4gDQo+IFRoYW5rcywNCj4gQW5kcmVhDQpJIGhhdmUgYmVlbiBpbnZvbHZlZCBpbiBzZXZl cmFsIGJlbmNobWFya2luZ3Mgb2YgZmxhc2ggZGV2aWNlcyBpbiB0aGUgcGFzdC4NClNvIHdoYXQg d2Ugc2VlIGhlcmUgaXMgZGVmaW5pdGVseSBub3QgYSBkZXZpY2UgaXNzdWUgcmVnYXJkaW5nIHdl YXIgbGV2ZWxpbmcuDQoNCkkgd2FudGVkIHRvIHByZXZlbnQgYWxsIG9mIHlvdSBnb2luZyBpbnRv IHRoZSB3cm9uZyBkaXJlY3Rpb24sIHRoYXQncyB3aHkNCmkgd2FudGVkIEFuZHJlYSB0byBjb25m aXJtIHRoYXQgaXQncyBub3QgYSBtYXR0ZXIgb2YgdGhlIGZsYXNoIGRldmljZS4NCg0KVGhlcmUg YXJlIHNvIG11Y2ggaXRlbXMgaW52b2x2ZWQgaW50byBiZW5jaG1hcmtpbmcgZmxhc2ggZGV2aWNl cy4NCkJ1dCBBbmRyZWEncyBvYnNlcnZhdGlvbnMgd2l0aCBmYWN0b3JzIG9mIDEwLTMwIHRpbWVz IHNsb3cgZG93bg0KaSBoYXZlIG5ldmVyIHNlZW4gYmVmb3JlLg0KDQpJIGFzc3VtZSB0aGUgb25s eSB0aGluZyB0aGF0IHlvdSBjaGFuZ2UgYmV0d2VlbiB0aGUgYmVuY2htYXJrcw0KaXMgdGhlIGtl cm5lbCAoYW5kIHRoZSBtb2R1bGVzLCBvZiBjb3Vyc2UpLCByaWdodCwgQW5kcmVhPw0KVGhlbiB3 ZSBjYW4gcnVsZSBvdXQgY2FjaGUgc2V0dGluZ3Mgd2hpY2ggbWFzc2l2ZWx5IGNhbiBpbXBhY3QN CmJlbmNobWFya3MuDQoNClRoZSBvbmx5IHRoaW5nIHRoYXQgbWFrZXMgc2Vuc2UgZnJvbSBteSBQ T1YgaXM6DQotIGNvbGxlY3QgdHJhY2VzIHdpdGggdGhlIGtlcm5lbCBiZWZvcmUgbWVudGlvbmVk IGNvbW1pdCAoZmFzdCkNCi0gYXBwbHkgcGF0Y2ggaW4gZG91YnQNCi0gYWdhaW4gY29sbGVjdCB0 cmFjZXMgKHNsb3cpDQotIGNvbXBhcmUgdGhlIHRyYWNlcw0KDQpUaGVuIHdlIHNob3VsZCBiZSBh YmxlIHRvIHNlZSB0aGUgZGlmZmVyZW5jZShzKS4NClVuZm9ydHVuYXRlbHkgaSdtIG5vdCBhbiBl eHBlcnQgb24gdGhlIFNDU0kgYW5kIFVTQiBrZXJuZWwgc3R1ZmYNCmludm9sdmVkIGhlcmUuIEVs c2UgaSB3b3VsZCB0cnkgdG8gdW5kZXJzdGFuZCB3aGF0IGhhcHBlbnMgYW5kDQpnaXZlIHlvdSBz b21lIGhpbnRzLg0KDQpCUg0KQ2Fyc3Rlbg0K