From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: dm-mpath request merging concerns [was: Re: It's time to put together the schedule] Date: Mon, 23 Feb 2015 15:39:33 -0500 Message-ID: <20150223203933.GC4693@redhat.com> References: <1424395745.2603.27.camel@HansenPartnership.com> <54EAD453.6040907@suse.de> <20150223135057.GA3362@redhat.com> <54EB60EC.6080706@cs.wisc.edu> <20150223195057.GA4693@redhat.com> <20150223200838.GA27810@lst.de> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20150223200838.GA27810@lst.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Christoph Hellwig Cc: axboe@kernel.dk, Mike Christie , dm-devel@redhat.com, lsf@lists.linux-foundation.org, Jeff Moyer List-Id: dm-devel.ids T24gTW9uLCBGZWIgMjMgMjAxNSBhdCAgMzowOHBtIC0wNTAwLApDaHJpc3RvcGggSGVsbHdpZyA8 aGNoQGxzdC5kZT4gd3JvdGU6Cgo+IE9uIE1vbiwgRmViIDIzLCAyMDE1IGF0IDAyOjUwOjU3UE0g LTA1MDAsIE1pa2UgU25pdHplciB3cm90ZToKPiA+IC0gU2hvdWxkIHJlcXVlc3QtYmFzZWQgRE0g d2lyZSB1cCBibGtfY2hlY2tfcGx1Z2dlZCgpIHRvIGFsbG93IHRoZSBibG9jawo+ID4gICBsYXll cidzIHBsdWdnaW5nIHRvIG1vcmUgZGlyZWN0bHkgaW5mbHVlbmNlIHdoZW4gYmxrX3N0YXJ0X3Jl cXVlc3QoKQo+ID4gICBpcyBjYWxsZWQgZnJvbSBkbV9yZXF1ZXN0X2ZuPwo+ID4gCj4gPiAtIFB1 dCBkaWZmZXJlbnRseTogaW4gYWRkaXRpb24gdG8gY2hlY2tpbmcgLT5idXN5IHNob3VsZCBkbV9y ZXF1ZXN0X2ZuCj4gPiAgIGFsc28gbWFpbnRhaW4gYW5kIGNoZWNrIHBsdWdnaW5nIHN0YXRlIHRo YXQgaXMgaW5mbHVlbmNlZCBieQo+ID4gICBibGtfY2hlY2tfcGx1Z2dlZCgpPwo+ID4gCj4gPiAo b3IgaXMgdGhpcyBtb290IGdpdmVuIHRoYXQgdGhlIGJsb2NrIGxheWVyIHdpbGwgb25seSBjYWxs IHEtPnJlcXVlc3RfZm4KPiA+IHdoZW4gdGhlIHF1ZXVlIGlzbid0IHBsdWdnZWQgYW55d2F5IT8p Cj4gPiAKPiA+IEJhc2ljYWxseSB0aGUgbG9uZyBhbmQgc2hvcnQgb2YgdGhpcyBpczogdGhlIGJs b2NrIGxheWVyIGlzbid0IGhlbHBpbmcKPiA+IHVzIGxpa2Ugd2UgdGhvdWdodCAoZWxldmF0b3Ig aXMgZWZmZWN0aXZlbHkgdXNlbGVzcyBhbmQvb3IgYmVpbmcKPiA+IGNpcmN1bXZlbnRlZCkuICBB bmQgdGhpcyBhcHBhcmVudGx5IGlzbid0IG5ldy4KPiA+IAo+ID4gSSdsbCB0YWtlIGEgbW9yZSBt ZWFzdXJlZCBsb29rIGF0IGFsbCBvZiB0aGlzIHdoaWxlIGFsc28gdHJ5aW5nIHRvCj4gPiBtYWtl IHNlbnNlIG9mIHN3aXRjaGluZyByZXF1ZXN0LWJhc2VkIERNIG92ZXIgdG8gdXNpbmcgYmxrLW1x Lgo+IAo+IEknZCBsaWtlIHRvIHJlcGhyYXNlIHRoZSBxdWVzdGlvbiBhIGxpdHRsZSBiaXQ6ICBJ cyB0aGUgcmVxdWVzdCBsYXllciArCj4gZGV2aWNlIG1hcHBlciByZWFsbHkgdGhlIHJpZ2h0IGNv bWJpbmF0aW9uIGZvciBkcml2aW5nIG11bHRpcGF0aCBJL08/Cj4gCj4gSWYgd2Ugd2VyZSBtb3Zp bmcgaXQgdG8gYSBzZXQgb2YgaGVscGVycyB3aGVyZSBibGstbXEgZHJpdmVycyBjb3VsZAo+IGp1 c3QgYXNrIGZvciByZXN1Ym1pdHRpbmcgSS9PIG9uIGFub3RoZXIgZGV2aWNlIG9mIGl0J3MgY2hv aWNlIHdlCj4gd291bGQgYmUgYWJsZSB0byBjdXQgdGhlIG1pZGRsZSBtYW4gd2l0aCBhbGwgdGhl IHByb2JsZW1zIHRoYXQgaGF2aW5nCj4gYSBtaWRkbGUgbWFuIGVudGFpbHMuIFRoYXQgaXMgYWxs IHRoZSBidXN5IGNoZWNrcyB0aGF0IG5lZWQgdG8gYmUKPiBwcm9wYWdhdGVkLCB0aGUgcGx1Z2dp bmcgcXVlc3Rpb24sIHRoZSB2YXJpb3VzIG1lcmdlIHBhcmFtZXRlcnMgdGhhdCBuZWVkCj4gdG8g YmUgY29tbXVuaWNhdGVkIGZyb20gdGhlIGRyaXZlciwgdGhlIHNlbnNlIGNvZGUgaW50ZXByZXRh dGlvbiBmb3Igd2hpY2gKPiBkbSBuZWVkcyB0byBjYWxsIGJhY2sgaW50byBTQ1NJIChvciBOVk1l IGZvciB0aGF0IG1hdHRlcikuICBUbyBtZQo+IGl0IHNlZW1zIGxpa2UgYSBtdWNoIGJldHRlciBp ZGVhIHRvIGxldCB0aGUgZHJpdmVyICgqKSBkcml2ZXIgdGhlCj4gZGVjaXNpb24sIHdpdGggYSBm ZXcgbGlicmFyeSBoZWxwZXJzIHByb3ZpZGVkIHRvIGRlYWwgd2l0aCBxdWV1ZSBzZWxlY3Rpb24K PiBhbGdvcml0aG1zIGFuZCBvdGhlciBmYdGWcmx5IGdlbmVyaWMgcGllY2VzIG9mIGNvZGUuCj4g Cj4gKCopIHRoYXQgaXMgYmxvY2sgbGF5ZXIgZHJpdmVyLCBpbiBjYXNlIG9mIFNDU0kgaXQgd291 bGQgc3RpbGwgYmUgdGhlCj4gbWlkbGF5ZXIgcHVsbGluZyB0aGUgc3RyaW5ncy4KCk9LLCBmYWly IHF1ZXN0aW9uLiAgQnV0IG1ha2luZyBleGlzdGluZyBETS1tdWx0aXBhdGggd29yayBhcyBleHBl Y3RlZAooZWZmZWN0aXZlIGNvbnN1bWVyIG9mIG9sZCBibG9jaydzIGVsZXZhdG9ycykgd291bGQg YmUgYSBuaWNlIHRoaW5nIHRvCmRvIGJlZm9yZSBibG93aW5nIGl0IHVwIHdpdGggYSByZWRlc2ln bi4KClRoZXJlIGlzIGEgbG90IG9mIGJsb2NrIGNvZGUgdGhhdCBpcyBvbmx5IHVzZWQgYnkgcmVx dWVzdC1iYXNlZCBETSwgdGhlCmJpZyBvbmUgYmVpbmcgYmxrX3F1ZXVlX2JpbygpLiAgQ291bGQg YmUgYSByZWdyZXNzaW9uIGNyZXB0IGluIGFuZCBpdAp3ZW50IHVubm90aWNlZCB1bnRpbCBub3cu ICBOb3Qgc3VyZS4KCkhhcHB5IHRvIGVudGVydGFpbiB5b3VyIHF1ZXN0aW9uIG9uY2UgdGhpcyBp bW1lZGlhdGUgaXNzdWUgaXMgdW5kZXIKY29udHJvbCAob3IgYXQgbGVhc3QgdW5kZXJzdG9vZCku ICBCdXQgaXQgaXMgb2J2aW91c2x5IGEgd29ydGh5CmRpc2N1c3Npb24gZm9yIExTRi4KCi0tCmRt LWRldmVsIG1haWxpbmcgbGlzdApkbS1kZXZlbEByZWRoYXQuY29tCmh0dHBzOi8vd3d3LnJlZGhh dC5jb20vbWFpbG1hbi9saXN0aW5mby9kbS1kZXZlbA==