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: Thu, 24 Nov 2016 10:21:10 +0100 Message-ID: <1479979270.13566.7.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> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20161118222618.GZ1972@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: dm-devel@redhat.com, tang.junhui@zte.com.cn List-Id: dm-devel.ids T24gRnJpLCAyMDE2LTExLTE4IGF0IDE2OjI2IC0wNjAwLCBCZW5qYW1pbiBNYXJ6aW5za2kgd3Jv dGU6Cgo+IFRoZSBpc3N1ZSBpcyB0aGF0IHdlIHNpbXBseSBuZWVkIHRvIHdvcmsgb24gcHJvY2Vz c2luZyB0aGUgd2hvbGUgbGlzdAo+IGF0Cj4gYSB0aW1lLsKgwqBNYXJ0aW4ncyBmaWx0ZXJpbmcg ZGVmaW5pdGVseSBoYXMgYSBwbGFjZSBoZXJlLiBIZSBpcwo+IGNvcnJlY3QKPiB0aGF0IGlmIHdl IGdldCBhIGRlbGV0ZSB1ZXZlbnQgZm9yIGEgZGV2aWNlLCB3ZSBkb24ndCBuZWVkIHRvIHByb2Nl c3MKPiBhbnkgb2YgdGhlIGVhcmxpZXIgb25lcy7CoMKgV2UgZG8gbmVlZCB0byBsb29rIGF0IGJv dGggdGhlIGFkZCBhbmQKPiBjaGFuZ2UKPiB1ZXZlbnRzIGluZGl2aWR1YWxseS4gRm9yIGluc3Rh bmNlLCBvbmUgb2YgdGhlIGNoYW5nZSB1ZXZlbnRzIG91dCBvZgo+IGEKPiBncm91cCBjb3VsZCBi ZSBmb3IgY2hhbmdpbmcgdGhlIHJlYWQtb25seSBzdGF0dXMgb2YgYSBkZXZpY2UuIElmIHdlCj4g anVzdAo+IHRvb2sgdGhlIG1vc3QgcmVjZW50LCB3ZSB3b3VsZCBtaXNzIHRoYXQgaW5mb3JtYXRp b24uwqDCoFRoZSBnb29kIG5ld3MKPiBpcwo+IHRoYXQgd2UgZG9uJ3QgbmVlZCB0byBhY3R1YWxs eSBjYWxsIHVldl9hZGRfcGF0aCBhbmQgdWV2X3VwZGF0ZV9wYXRoCj4gb25jZSBmb3IgZWFjaCBv ZiB0aGVzZSBldmVudHMuwqDCoEFsbCB3ZSBuZWVkIHRvIGRvIGlzIHJlYWQgdGhyb3VnaCB0aGUK PiB1ZXYgZW52aXJvbm1lbnQgdmFyaWFibGVzIGZvciBhbGwgb2YgdGhlbSB0byBmaW5kIHRoZSBp bmZvcm1hdGlvbiB3ZQo+IG5lZWQgKGxpa2UgY2hhbmdlIGluIHJvIHN0YXR1cyksIGFuZCB0aGVu IGNhbGwgdGhlIGZ1bmN0aW9uIG9uY2Ugd2l0aAo+IHRoYXQgaW5mb3JtYXRpb24uCgpEbyB3ZSBu ZWVkIHRvIGltcGxlbWVudCB0aGUgZW52aXJvbm1lbnQtbWVyZ2luZyBvdXJzZWx2ZXM/IEFGQUlD UyB0aGlzCmxvZ2ljIGlzIGltcGxlbWVudGVkIGluIHVkZXYgaXRzZWxmLiBTbyBpZiB0aGUgbGFz dCBldmVudCBmb3IgYSBnaXZlbgpkZXZpY2UgaXMgYSBjaGFuZ2UgZXZlbnQsIHdlJ2QganVzdCBu ZWVkIHRvIGZldGNoIHRoZSBkZXZpY2UgcHJvcGVydGllcwpmcm9tIHRoZSB1ZGV2IGRiLiBUaGVy ZWZvcmUgSU1PIHdlIGp1c3QgaGF2ZSB0byBsb29rIGF0IHRoZSBsYXN0CnJlY2VpdmVkIGV2ZW50 IGZvciBhIGdpdmVuIHBhdGg6CgogLSBERUxFVEUgPT4gZGlzY2FyZCB0aGUgZGV2aWNlCiAtIEFE RCA9PiB1c2UgdGhlIHVkZXYgcHJvcGVydGllcyBjb21pbmcgd2l0aCB0aGUgZXZlbnQKIC0gQ0hB TkdFID0+IHF1ZXJ5IHVkZXYgZGIgZm9yIGN1cnJlbnQgc2V0IG9mIHByb3BlcnRpZXMKIAo+IEF0 IGFueSByYXRlLCBJJ2QgcmF0aGVyIGdldCByaWQgb2YgdGhlIGdhemlsbGlvbiB3YWl0ZXIgdGhy ZWFkcwo+IGZpcnN0LgoKSG0sIEkgdGhvdWdodCB0aGUgdGhyZWFkcyBhcmUgZ29vZCBiZWNhdXNl IHRoaXMgYXZvaWRzIG9uZSB1bnJlc3BvbnNpdmUKZGV2aWNlIHRvIHN0YWxsIGV2ZXJ5dGhpbmc/ CgpNYXJ0aW4KCi0tIApEci4gTWFydGluIFdpbGNrIDxtd2lsY2tAc3VzZS5jb20+LCBUZWwuwqAr NDkgKDApOTExIDc0MDUzIDIxMDcKU1VTRSBMaW51eCBHbWJILCBHRjogRmVsaXggSW1lbmTDtnJm ZmVyLCBKYW5lIFNtaXRoYXJkLCBHcmFoYW0gTm9ydG9uCkhSQiAyMTI4NCAoQUcgTsO8cm5iZXJn KQoKLS0KZG0tZGV2ZWwgbWFpbGluZyBsaXN0CmRtLWRldmVsQHJlZGhhdC5jb20KaHR0cHM6Ly93 d3cucmVkaGF0LmNvbS9tYWlsbWFuL2xpc3RpbmZvL2RtLWRldmVs