From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: usb-storage: stop using block layer bounce buffers From: Christoph Hellwig Message-Id: <20180427052731.GA9799@lst.de> Date: Fri, 27 Apr 2018 07:27:31 +0200 To: Alan Stern Cc: Christoph Hellwig , linux-usb@vger.kernel.org, usb-storage@lists.one-eyed-alien.net, linux-scsi@vger.kernel.org, Greg Kroah-Hartman List-ID: T24gU3VuLCBBcHIgMTUsIDIwMTggYXQgMTE6MjQ6MTFBTSAtMDQwMCwgQWxhbiBTdGVybiB3cm90 ZToKPiBPbiBTdW4sIDE1IEFwciAyMDE4LCBDaHJpc3RvcGggSGVsbHdpZyB3cm90ZToKPiAKPiA+ IFVTQiBob3N0IGNvbnRyb2xsZXJzIG5vdyBtdXN0IGhhbmRsZSBoaWdobWVtLCBzbyB3ZSBjYW4g Z2V0IHJpZCBvZiBib3VuY2UKPiA+IGJ1ZmZlcmluZyBoaWdobWVtIHBhZ2VzIGluIHRoZSBibG9j ayBsYXllci4KPiAKPiBTb3JyeSwgSSBkb24ndCBxdWl0ZSB1bmRlcnN0YW5kIHdoYXQgeW91IGFy ZSBzYXlpbmcuICBEbyB5b3UgbWVhbiB0aGF0Cj4gYWxsIFVTQiBob3N0IGNvbnRyb2xsZXJzIG5v dyBtYWdpY2FsbHkgX2RvXyBoYW5kbGUgaGlnaG1lbT8gIE9yIGRvIHlvdQo+IG1lYW4gdGhhdCBp ZiB0aGV5IF9kb24ndF8gaGFuZGxlIGhpZ2htZW0sIHdlIHdpbGwgbm90IHN1cHBvcnQgdGhlbSBh bnkKPiBtb3JlPwoKVVNCIGNvbnRyb2xsZXIgdGhlbXNlbHZlcyBuZXZlciBjYXJlZCBhYm91dCBo aWdobWVtLCBkcml2ZXJzIGRpZC4gIEZvcgpQSU8gYmFzZWQgY29udHJvbGxlcnMgdGhleSdkIGhh dmUgdG8ga21hcCBhbnkgYWRkcmVzcyBubyBpbiB0aGUga2VybmVsCmRyaXJlY3QgbWFwcGluZy4K Ck5vdGhpbmcgaW4gZHJpdmVycy91c2IvaG9zdCBvciB0aGUgb3RoZXIgZGlyZXRvcmllcyByZWxh dGVkIHRvIGhvc3QKZHJpdmVycyBjYWxscyBwYWdlX2FkZHJlc3MgKG9ubHkgdXNlZCBpbiBhIHNp bmdsZSBnYWRnZXQpIG9yIHNnX3ZpcnQKKG9ubHkgdXNlZCBpbiBhIGZldyB1cHBlciBsZXZlbCBk cml2ZXJzKSwgd2hpY2ggbWFrZXMgbWUgYXNzdW1lCnNlbWktY29uZmlkZW50bHkgdGhhdCBubyBV U0IgaG9zdCBkcml2ZXIgaXMgbm90IGhpZ2htZW0gYXdhcmUgdGhlc2UKZGF5cy4KCkdyZWcsIGRv ZXMgdGhpcyBtYXRjaCB5b3VyIG9ic2VydmF0aW9uIGFzIHRoZSBVU0IgbWFpbnRhaW5lcj8KLS0t ClRvIHVuc3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmli ZSBsaW51eC11c2IiIGluCnRoZSBib2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9Admdlci5r ZXJuZWwub3JnCk1vcmUgbWFqb3Jkb21vIGluZm8gYXQgIGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcv bWFqb3Jkb21vLWluZm8uaHRtbAo=