From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "snitzer@redhat.com" , "ming.lei@redhat.com" CC: "dm-devel@redhat.com" , "hch@infradead.org" , "linux-block@vger.kernel.org" , "axboe@fb.com" , "axboe@kernel.dk" , "martin.petersen@oracle.com" Subject: Re: [PATCH V3 0/5] dm-rq: improve sequential I/O performance Date: Fri, 12 Jan 2018 17:26:54 +0000 Message-ID: <1515778013.2396.3.camel@wdc.com> References: <20180111060159.12991-1-ming.lei@redhat.com> <20180111220742.GA31944@redhat.com> <1515710256.2752.72.camel@sandisk.com> <20180112014232.GB25090@ming.t460p> <20180112015721.GB32298@redhat.com> <20180112033308.GC25090@ming.t460p> <20180112171840.GA4541@redhat.com> In-Reply-To: <20180112171840.GA4541@redhat.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gRnJpLCAyMDE4LTAxLTEyIGF0IDEyOjE4IC0wNTAwLCBNaWtlIFNuaXR6ZXIgd3JvdGU6DQo+ IFRoaXMgaXMgZ29pbmcgdXBzdHJlYW0gZm9yIDQuMTY6DQo+IGh0dHBzOi8vZ2l0Lmtlcm5lbC5v cmcvcHViL3NjbS9saW51eC9rZXJuZWwvZ2l0L3NuaXR6ZXIvbGludXguZ2l0L2NvbW1pdC8/aD1k bS00LjE2JmlkPTViMThjZmY0YmFlZGRlNzdlMGQ2OWJkNjJhMTNhZTc4Zjk0ODhkODkNCg0KVGhh dCBpcyByZWFsbHkgZ3Jvc3MuIEkgaGF2ZSBleHBsYWluZWQgbWFueSB0aW1lcyBpbiBkZXRhaWwg b24gdGhlIGRtLWRldmVsDQpsaXN0IHdoeSB0aGF0IGJsa19tcV9kZWxheV9ydW5faHdfcXVldWUo KSBjYWxsIGlzIG5lY2Vzc2FyeS4gU28gSSB0aGluayBpdCBpcw0Kd3JvbmcgaWYgeW91IHJlbW92 ZSBpdC4gSXNuJ3QgdGhlIHJlc3BvbnNpYmlsaXR5IG9mIHlvdSBhcyB0aGUgZGV2aWNlIG1hcHBl cg0Ka2VybmVsIG1haW50YWluZXIgdG8gYXZvaWQgcmVncmVzc2lvbnMgaW5zdGVhZCBvZiBpbnRy b2R1Y2luZyByZWdyZXNzaW9ucz8NCg0KQmFydC4=