From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Wilck Subject: Re: Improve processing efficiency for addition and deletion of multipath devices Date: Tue, 29 Nov 2016 09:16:53 +0100 Message-ID: <1480407413.7926.9.camel@suse.com> References: <9797787c-30c5-08fb-f92a-5e68ec0b6333@suse.de> <1479289781.14706.16.camel@suse.com> <1479379712.14706.23.camel@suse.com> <20161118222618.GZ1972@octiron.msp.redhat.com> <1479979270.13566.7.camel@suse.com> <20161128184624.GF1972@octiron.msp.redhat.com> <1480406528.7926.7.camel@suse.com> <17134173-b9c9-456f-43f6-55f1fbd180ea@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <17134173-b9c9-456f-43f6-55f1fbd180ea@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Zdenek Kabelac , Hannes Reinecke , Benjamin Marzinski Cc: dm-devel@redhat.com, tang.junhui@zte.com.cn List-Id: dm-devel.ids T24gVHVlLCAyMDE2LTExLTI5IGF0IDA5OjEwICswMTAwLCBaZGVuZWsgS2FiZWxhYyB3cm90ZToK PiBEbmUgMjkuMTEuMjAxNiB2IDA5OjAyIE1hcnRpbiBXaWxjayBuYXBzYWwoYSk6Cj4gPiBPbiBU dWUsIDIwMTYtMTEtMjkgYXQgMDc6NDcgKzAxMDAsIEhhbm5lcyBSZWluZWNrZSB3cm90ZToKPiA+ ID4gT24gMTEvMjgvMjAxNiAwNzo0NiBQTSwgQmVuamFtaW4gTWFyemluc2tpIHdyb3RlOgo+ID4g PiA+IE9uIFRodSwgTm92IDI0LCAyMDE2IGF0IDEwOjIxOjEwQU0gKzAxMDAsIE1hcnRpbiBXaWxj ayB3cm90ZToKPiA+ID4gPiA+IE9uIEZyaSwgMjAxNi0xMS0xOCBhdCAxNjoyNiAtMDYwMCwgQmVu amFtaW4gTWFyemluc2tpIHdyb3RlOgo+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IEF0IGFueSByYXRl LCBJJ2QgcmF0aGVyIGdldCByaWQgb2YgdGhlIGdhemlsbGlvbiB3YWl0ZXIKPiA+ID4gPiA+ID4g dGhyZWFkcwo+ID4gPiA+ID4gPiBmaXJzdC4KPiA+ID4gPiA+IAo+ID4gPiA+ID4gSG0sIEkgdGhv dWdodCB0aGUgdGhyZWFkcyBhcmUgZ29vZCBiZWNhdXNlIHRoaXMgYXZvaWRzIG9uZQo+ID4gPiA+ ID4gdW5yZXNwb25zaXZlCj4gPiA+ID4gPiBkZXZpY2UgdG8gc3RhbGwgZXZlcnl0aGluZz8KPiA+ ID4gPiAKPiA+ID4gPiBUaGVyZSBpcyB3b3JrIG1ha2luZyBkbSBldmVudHMgcG9sbGFibGUsIHNv IHRoYXQgeW91IGNhbiB3YWl0Cj4gPiA+ID4gZm9yCj4gPiA+ID4gYW55Cj4gPiA+ID4gbnVtYmVy IG9mIHRoZW0gd2l0aCBvbmUgdGhyZWFkLiBBdCB0aGUgbW9tZW50LCBvbmNlIHdlIGdldCBhbgo+ ID4gPiA+IGV2ZW50LCB3ZQo+ID4gPiA+IGxvY2sgdGhlIHZlY3MgbG9jaywgd2hpY2ggcHJldHR5 IG11Y2gga2VlcHMgZXZlcnl0aGluZyBlbHNlCj4gPiA+ID4gZnJvbQo+ID4gPiA+IHJ1bm5pbmcs IHNvIHRoaXMgZG9lc24ndCByZWFsbHkgY2hhbmdlIHRoYXQuCj4gPiA+ID4gCj4gPiA+IAo+ID4g PiBXaGljaCBhZ2FpbiBsZWFkcyBtZSB0byB0aGUgcXVlc3Rpb246Cj4gPiA+IFdoeSBhcmUgd2Ug d2FpdGluZyBmb3IgZG0gZXZlbnRzPwo+ID4gPiBUaGUgY29kZSBoYW5kbGluZyB0aGVtIGlzIHBy ZXR0eSBhcmNhbmUsIGFuZCBmcm9tIHdoYXQgSSd2ZSBzZWVuCj4gPiA+IHRoZXJlCj4gPiA+IGlz IG5vdGhpbmcgaW4gdGhlcmUgd2hpY2ggd2Ugd291bGRuJ3QgYmUgaW5mb3JtZWQgdmlhIG90aGVy Cj4gPiA+IG1lY2hhbmlzbXMKPiA+ID4gKHBhdGggY2hlY2tlciwgdWV2ZW50cykuCj4gPiA+IFNv IHdoeSBkbyB3ZSBzdGlsbCBib3RoZXIgd2l0aCB0aGVtPwo+ID4gCj4gPiBJIHdhcyBhc2tpbmcg bXlzZWxmIHRoZSBzYW1lIHF1ZXN0aW9uLiBGcm9tIG15IGluc3BlY3Rpb24gb2YgdGhlCj4gPiBr ZXJuZWwKPiA+IGNvZGUsIHRoZXJlIGFyZSB0d28gY29kZSBwYXRocyB0aGF0IHRyaWdnZXIgYSBk bSBldmVudCBidXQgbm8KPiA+IHVldmVudAo+ID4gKGJ5cGFzc19wZygpIGFuZCBzd2l0Y2hfcGdf bnVtKCksIGJvdGggcmVsYXRlZCB0byBwYXRoIGdyb3VwCj4gPiBzd2l0Y2hpbmcpLiBJZiB0aGVz ZSBhcmUgY292ZXJlZCBieSB0aGUgcGF0aCBjaGVja2VyLCBJIHNlZSBubwo+ID4gcG9pbnQgaW4K PiA+IHdhaXRpbmcgZm9yIERNIGV2ZW50cy4gQnV0IG9mIGNvdXJzZSwgSSBtYXkgYmUgbWlzc2lu ZyBzb21ldGhpbmcuCj4gPiAKPiAKPiBQcm9jZXNzaW5nIG9mICdkbScgZXZlbnRzIGxpa2VseSBz aG91bGQgYmUgcG9zdHBvbmVkIHRvICdkbWV2ZW50ZCcgLQo+IHdoaWNoIGlzIGEgZGFlbW9uIHJl c29sdmluZyB0aGUgcHJvYmxlbSBoZXJlIHdpdGggd2FpdGluZyBmb3IgYW4KPiBldmVudC4KPiAK PiBQbHVnaW4ganVzdCB0YWtlcyB0aGUgYWN0aW9uLgo+IAo+IElNSE8gdGhlcmUgaXMgbm90aGlu ZyBlYXNpZXIgeW91IGNhbiBoYXZlLgoKPiBJdCdzIHRoZW4gdXB0byBkbWV2ZW50ZCB0byBtYWlu dGFpbiB0aGUgYmVzdCAnY29ubmVjdGlvbicgd2l0aCBrZXJuZWwKPiBhbmQgZXZlbnRzLgoKQnV0 IHRoYXQgd291bGQgc2ltcGx5IG1vdmUgdGhlICJnYXppbGxpb24gd2FpdGVyIHRocmVhZHMiIGZy b20KbXVsdGlwYXRoZCB0byBkbWV2ZW50ZCwgcmlnaHQ/IEFuZCBpdCB3b3VsZCBpbnRyb2R1Y2Ug YW5vdGhlciBib290CnNlcXVlbmNlIGRlcGVuZGVuY3kgZm9yIG11bHRpcGF0aGQsIEknbSBub3Qg c3VyZSBpZiB0aGF0J3MgZGVzaXJhYmxlLgoKUmVnYXJkcwpNYXJ0aW4KCi0tIApEci4gTWFydGlu IFdpbGNrIDxtd2lsY2tAc3VzZS5jb20+LCBUZWwuwqArNDkgKDApOTExIDc0MDUzIDIxMDcKU1VT RSBMaW51eCBHbWJILCBHRjogRmVsaXggSW1lbmTDtnJmZmVyLCBKYW5lIFNtaXRoYXJkLCBHcmFo YW0gTm9ydG9uCkhSQiAyMTI4NCAoQUcgTsO8cm5iZXJnKQoKLS0KZG0tZGV2ZWwgbWFpbGluZyBs aXN0CmRtLWRldmVsQHJlZGhhdC5jb20KaHR0cHM6Ly93d3cucmVkaGF0LmNvbS9tYWlsbWFuL2xp c3RpbmZvL2RtLWRldmVs