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 08:52:17 +0100 Message-ID: <1480405937.7926.3.camel@suse.com> References: <1480328936.23852.10.camel@suse.com> <20161128173124.GE1972@octiron.msp.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20161128173124.GE1972@octiron.msp.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: Benjamin Marzinski Cc: Bart@redhat.com, tang.junhui@zte.com.cn, zhang.kai16@zte.com.cn, dm-devel@redhat.com, Assche List-Id: dm-devel.ids T24gTW9uLCAyMDE2LTExLTI4IGF0IDExOjMxIC0wNjAwLCBCZW5qYW1pbiBNYXJ6aW5za2kgd3Jv dGU6Cj4gT24gTW9uLCBOb3YgMjgsIDIwMTYgYXQgMTE6Mjg6NTZBTSArMDEwMCwgTWFydGluIFdp bGNrIHdyb3RlOgo+ID4gT24gTW9uLCAyMDE2LTExLTI4IGF0IDEwOjE5ICswODAwLCB0YW5nLmp1 bmh1aUB6dGUuY29tLmNuIHdyb3RlOgo+ID4gPiAKPiA+ID4gNC4gwqAgwqAgwqAgwqBQcm9wb3Nh bMKgCj4gPiA+IE90aGVyIHRoYW4gcHJvY2Vzc2luZyB1ZXZlbnRzIG9uZSBieSBvbmUsIHVldmVu dHMgd2hpY2ggY29taW5nCj4gPiA+IGZyb20KPiA+ID4gdGhlwqAKPiA+ID4gc2FtZSBMVU4gZGV2 aWNlcyBjYW4gYmUgbWVyZ2VyZWQgdG8gb25lLCBhbmQgdGhlbiB1ZXZlbnQKPiA+ID4gcHJvY2Vz c2luZ8KgCj4gPiA+IHRocmVhZCBvbmx5IG5lZWRzIHRvIHByb2Nlc3MgaXQgb25jZSwgYW5kIGl0 IG9ubHkgcHJvZHVjZXMgb25lIERNCj4gPiA+IGFkZGl0aW9uwqAKPiA+ID4gdWV2ZW50IHdoaWNo IGNvdWxkIHJlZHVjZSBzeXN0ZW0gcmVzb3VyY2UgY29uc3VtcHRpb24uwqAKPiA+ID4gCj4gPiAK PiA+IEhlcmUgY29tZXMgYW4gaWRlYSBob3cgdG8gYWNoaWV2ZSB0aGlzIHdpdGhvdXQgYSBsb3Qg b2YgYWRkaXRpb25hbAo+ID4gY29kZToKPiA+IAo+ID4gbGlibXVsdGlwYXRoIGFscmVhZHkgaGFz IGNvZGUgdG8gY2hlY2sgd2hldGhlciBhbnkgbWFwcyBuZWVkIHRvIGJlCj4gPiB1cGRhdGVkIChp biBjb2FsZXNjZV9wYXRocygpKS4gSW5zdGVhZCBvZiByZWNvcmRpbmcgdWV2ZW50cywKPiA+IG1l cmdpbmcKPiA+IHRoZW0sIGFuZCBjYWxsaW5nIGV2X2FkZF9wYXRoKCkgZm9yIGV2ZXJ5IGFmZmVj dGVkIFdXSUQsIGl0IG1pZ2h0Cj4gPiBiZQo+ID4gc3VmZmljaWVudCB0byBzZXQgZGFlbW9uIHN0 YXRlIHRvIERBRU1PTl9DT05GSUdVUkUgYW5kIHdha2UgdXAgdGhlCj4gPiBtYWluCj4gPiBtdWx0 aXBhdGhkIHRocmVhZCB0byBjYWxsIHJlY29uZmlndXJlKCkuIFRoZW4gd2Ugb25seSBuZWVkIHRv IG1ha2UKPiA+IHN1cmUKPiA+IHRoYXQgY29hbGVzY2VfcGF0aHMoKSByZWFsbHkgcmVsb2FkcyBv ciBjcmVhdGVzIG1hcHMgb25seSB3aGVuCj4gPiBuZWNlc3NhcnkuIEkgaGF2ZSBzb21lIHBhdGNo ZXMgaGVyZSB0aGF0IEkgbWFkZSBmb3IgdGhhdCBwdXJwb3NlLAo+ID4gZm9yIGEKPiA+IGRpZmZl cmVudCBzY2VuYXJpbyAobXVsdGlwYXRoZCB0byBhdm9pZCBSRUxPQUQgaW9jdGxzIHdoZW4gaXQn cwo+ID4gc3RhcnRlZAo+ID4gaW4gYSBzY2VuYXJpbyB3aGVyZSBtb3N0IHBhdGhzIGFyZSBhbHJl YWR5IHNldCB1cCBieSB1ZGV2KS4KPiAKPiBUaGVyZSBpcyBhIGxvbmcgc3RhbmRpbmcgbXVsdGlw YXRoIGlzc3VlIHRoYXQgdGhpcyB3aWxsIGxpa2VseSBtYWtlIGEKPiBsb3Qgd29yc2UuwqDCoEN1 cnJlbnRseSwgbXVsdGlwYXRoZCBjYW4gZHJvcCBwYXRocyB0aGF0IGl0IGRvZXNuJ3QgaGF2ZQo+ IGFjY2VzcyB0byBvbiByZWNvbmZpZ3VyZS4gVGhpcyBpcyB3cm9uZy4gV2hlbiB0aGUgcGF0aCBj b21lcyBiYWNrLCBpdAo+IHdvbid0IGlzc3VlIGFub3RoZXIgYWRkIHVldmVudC4gVGhpcyBtZWFu cyB0aGF0IG11bHRpcGF0aGQgd29uJ3QgYmUKPiBhYmxlCj4gdG8gcmUtZW5hYmxlIGl0IChzaW5j ZSBpdCBzdG9wcGVkIG1vbml0b3JpbmcgaXQgZHVyaW5nIHRoZQo+IHJlY29uZmlndXJlKS4KPiBJ biBmYWN0IHRoZSBvbmx5IHdheSB0byBnZXQgdGhlIHBhdGggYmFjayBpcyB0byBlaXRoZXIgbWFu dWFsbHkKPiBpbnRlcnZlbmUgb3IgdG8gaGF2ZSB0aGUgcGF0aCBhY3R1YWxseSBnZXQgcmVtb3Zl ZCBmcm9tIHRoZSBzeXN0ZW0KPiBhbmQKPiBjb21lIGJhY2suCgpUaGFua3MgZm9yIHBvaW50aW5n IHRoaXMgb3V0LiBCdXQgZG9uJ3QgeW91IHRoaW5rIGl0IGNhbiBiZSBkZWFsdCB3aXRoCmJ5IGZp eGluZyB0aGUgcmVjb25maWd1cmUoKSBwYXRoPyAKCk15IHBvaW50IGlzOiBhbnkgY29kZSB0aGF0 IG1lcmdlcyB1ZXZlbnRzIGFuZCB0cmllcyB0byBmaWd1cmUgb3V0IHRoZQpjb3JyZWN0ICJtaW5p bWFsIiBzZXQgRE0gb3BlcmF0aW9ucyB0byBwdXQgdGhlIGNoYW5nZXMgaW4gcGxhY2UgcmUtCmlt cGxlbWVudCBhdCBsZWFzdCBwYXJ0cyBvZiB0aGUgbG9naWMgb2YgY29hbGVzY2VfcGF0aHMoKSwg YW5kIGZhY2UKc2ltaWxhciBwcm9ibGVtcy4KClJlZ2FyZHMKTWFydGluCgotLSAKRHIuIE1hcnRp biBXaWxjayA8bXdpbGNrQHN1c2UuY29tPiwgVGVsLsKgKzQ5ICgwKTkxMSA3NDA1MyAyMTA3ClNV U0UgTGludXggR21iSCwgR0Y6IEZlbGl4IEltZW5kw7ZyZmZlciwgSmFuZSBTbWl0aGFyZCwgR3Jh aGFtIE5vcnRvbgpIUkIgMjEyODQgKEFHIE7DvHJuYmVyZykKCi0tCmRtLWRldmVsIG1haWxpbmcg bGlzdApkbS1kZXZlbEByZWRoYXQuY29tCmh0dHBzOi8vd3d3LnJlZGhhdC5jb20vbWFpbG1hbi9s aXN0aW5mby9kbS1kZXZlbA==