From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Wilck Subject: Re: [PATCH v3 18/19] libmultipath: Don't blank intialized paths Date: Wed, 03 Oct 2018 00:37:17 +0200 Message-ID: References: <1537571127-10143-1-git-send-email-bmarzins@redhat.com> <1537571127-10143-19-git-send-email-bmarzins@redhat.com> <3bb1c108b1e43a85d296eed9a63cefe7a6de2d01.camel@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <3bb1c108b1e43a85d296eed9a63cefe7a6de2d01.camel@suse.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 , device-mapper development List-Id: dm-devel.ids SGkgQmVuLAoKT24gVHVlLCAyMDE4LTEwLTAyIGF0IDAwOjAwICswMjAwLCBNYXJ0aW4gV2lsY2sg d3JvdGU6Cj4gT24gRnJpLCAyMDE4LTA5LTIxIGF0IDE4OjA1IC0wNTAwLCBCZW5qYW1pbiBNYXJ6 aW5za2kgd3JvdGU6Cj4gPiBXaGVuIHBhdGhpbmZvIGZhaWxzIGZvciBzb21lIGxpa2VseSB0cmFu c2llbnQgcmVhc29uLCBpdCBjbGVhcnMgdGhlCj4gPiBwYXRoCj4gPiB3d2lkLCBidXQgb3RoZXJ3 aXNlIHJldHVybnMgc3VjY2Vzc2Z1bGx5LCB0byBrZWVwIHRoZSBwYXRoIGFyb3VuZAo+ID4gYnV0 Cj4gPiBub3QgdXNhYmxlIHVudGlsIGl0IGdldHMgZnVsbHkgaW5pdGlhbGl6ZWQuIEhvd2V2ZXIs IGlmIHRoZSBwYXRoCj4gPiBoYXMKPiA+IGFscmVhZHkgYmVlbiBpbml0aWFsaXplZCwgYW5kIHBh dGhpbmZvIGhpdHMgYSB0cmFuc2llbnQgZXJyb3IsIGl0Cj4gPiBzaG91bGRuJ3QgY2xlYXIgdGhl IHd3aWQuCj4gPiAKPiA+IFNpZ25lZC1vZmYtYnk6IEJlbmphbWluIE1hcnppbnNraSA8Ym1hcnpp bnNAcmVkaGF0LmNvbT4KPiA+IC0tLQo+ID4gIGxpYm11bHRpcGF0aC9kaXNjb3ZlcnkuYyB8IDQg KystLQo+ID4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0p Cj4gPiAKPiA+IGRpZmYgLS1naXQgYS9saWJtdWx0aXBhdGgvZGlzY292ZXJ5LmMgYi9saWJtdWx0 aXBhdGgvZGlzY292ZXJ5LmMKPiA+IGluZGV4IDNlMGRiN2YuLjMzODE1ZGMgMTAwNjQ0Cj4gPiAt LS0gYS9saWJtdWx0aXBhdGgvZGlzY292ZXJ5LmMKPiA+ICsrKyBiL2xpYm11bHRpcGF0aC9kaXNj b3ZlcnkuYwo+ID4gQEAgLTE5OTEsOSArMTk5MSw5IEBAIGJsYW5rOgo+ID4gIAkvKgo+ID4gIAkg KiBSZWNvdmVyYWJsZSBlcnJvciwgZm9yIGV4YW1wbGUgZmF1bHR5IG9yIG9mZmxpbmUgcGF0aAo+ ID4gIAkgKi8KPiA+IC0JbWVtc2V0KHBwLT53d2lkLCAwLCBXV0lEX1NJWkUpOwo+ID4gIAlwcC0+ Y2hrcnN0YXRlID0gcHAtPnN0YXRlID0gUEFUSF9ET1dOOwo+ID4gLQlwcC0+aW5pdGlhbGl6ZWQg PSBJTklUX0ZBSUxFRDsKPiA+ICsJaWYgKHBwLT5pbml0aWFsaXplZCA9PSBJTklUX0ZBSUxFRCkK PiA+ICsJCW1lbXNldChwcC0+d3dpZCwgMCwgV1dJRF9TSVpFKTsKPiA+ICAKPiA+ICAJcmV0dXJu IFBBVEhJTkZPX09LOwo+ID4gIH0KPiAKPiBJIGFtIHVuY2VydGFpbiBhYm91dCB0aGlzIG9uZS4g VGhlIG9sZCBjb2RlIHNldHMgcHAtPmluaXRpYWxpemVkIHRvCj4gSU5JVF9GQUlMRUQuIElmIHRo ZSBzdGF0ZSBoYWQgYmVlbiBJTklUX01JU1NJTkdfVURFViBvcgo+IElOSVRfUkVRVUVTVEVEX1VE RVYgYmVmb3JlLCB0aGlzIHBhdGNoIG1pZ2h0IGNoYW5nZSBob3cgdGhlIGNvZGUKPiBiZWhhdmVz IGxhdGVyIGluIGNoZWNrX3BhdGgoKSwgd2hlcmUgdGhlc2UgY29uZGl0aW9ucyBhcmUgY2hlY2tl ZC4KPiAKPiBMaWtld2lzZSwgdGVzdHMgZm9yIHN0cmxlbihwcC0+d3dpZCkgYXJlIHVzZWQgaW4g dmFyaW91cyBwbGFjZXMKPiBhcm91bmQKPiB0aGUgY29kZS4gVGhlc2UgdGVzdHMgd291bGQgbm93 IHlpZWxkIGRpZmZlcmVudCByZXN1bHRzIGZvciBwYXRocyBpbgo+ICJyZWNvdmVyYWJsZSBlcnJv ciIgc3RhdGUuCj4gCj4gSGF2ZSB5b3UgY29uc2lkZXJlZCB0aGVzZSBwb3NzaWJsZSBzaWRlIGVm ZmVjdHM/CgpJJ3ZlIHBvbmRlcmVkIG92ZXIgdGhpcyBhIGxvdC4gVGhlIGR1c3QgaXMgY2xlYXJp bmcgdXAgYSBiaXQuCgoxLiBXaXRoIHlvdXIgcGF0Y2ggaW4gcGxhY2UsIElOSVRfRkFJTEVEIGlz IG5ldmVyIHNldCBleGNlcHQgaW4KYWxsb2NfcGF0aCgpICh3ZSBtaWdodCByZW5hbWUgaXQgdG8g SU5JVF9ORVcgb3IgdGhlIGxpa2UsIGJ1dCBzZWUKYmVsb3cpLgoKMi4gSSBkb24ndCB1bmRlcnN0 YW5kIGhvdyB5b3UgaGFuZGxlIHJlcGVhdGVkIGZhaWx1cmUgdG8gcmV0cmlldmUgdGhlCldXSUQu IEkgc2VlIHRoYXQgZ2V0X3VpZCgpIChhY3R1YWxseSwgc2NzaV91aWRfZmFsbGJhY2soKSkgd291 bGQKcmV0cmlldmUgdGhlIFdXSUQgZnJvbSBzeXNmcyBhZnRlciByZXRyaWdnZXJzIGFyZSBleGhh dXN0ZWQuIEJ1dCBJCmRvbid0IHNlZSBob3cgcGF0aGluZm8oRElfV1dJRCkgd291bGQgZXZlciBi ZSBjYWxsZWQgaW4gdGhpcyBzaXR1YXRpb246CgpJbiB0aGUgbGFzdCBpbnZvY2F0aW9uLCBwYXRo aW5mbygpIGhhZCBmYWlsZWQgdG8gcmV0cmlldmUgdGhlIFdXSUQgYW5kCnNldCBwcC0+aW5pdGlh bGl6ZWQgPSBJTklUX01JU1NJTkdfVURFVi4gVGhlcmUgaXQgd2lsbCByZW1haW4gYmVjYXVzZQpj aGVja19wYXRoKCkgd29uJ3Qgc2V0IGl0IHRvIElOSVRfUkVRVUVTVEVEX1VERVYgYW55IG1vcmUg YWZ0ZXIgcmV0cmllcwphcmUgZXhoYXVzdGVkLiBBbmQgbm93LCBjaGVja19wYXRoKCkgd29uJ3Qg Y2FsbCBwYXRoaW5mbyhESV9BTEwpIGFueQptb3JlIGZyb20gdGhlICJhZGQgbWlzc2luZyBwYXRo IiBjb2RlLCBiZWNhdXNlIG9mIHRoZSAocHAtPmluaXRpYWxpemVkCiE9IElOSVRfTUlTU0lOR19V REVWKSBjb25kaXRpb24uCgpBbSBJIG92ZXJsb29raW5nIHNvbWV0aGluZz8KCjMuIElmICJibGFu ayIgc3RhdGUgbWVhbnMgdGhhdCBpbXBvcnRhbnQgZGV2aWNlIGluZm9ybWF0aW9uIGNvdWxkbid0 IGJlCnJldHJpZXZlZCBiZWNhdXNlIG9mIHByZXN1bWFibHkgdHJhbnNpZW50IGZhaWx1cmUgY29u ZGl0aW9ucywgd2Ugc2hvdWxkCnJldHJ5IHRvIHJldHJpZXZlIHRoaXMgaW5mb3JtYXRpb24gYnkg Y2FsbGluZyBwYXRoaW5mbyBhZ2FpbiBsYXRlci4gQnV0CnVubGVzcyB0aGUgV1dJRCBpcyAocmVz ZXQgdG8pIHRoZSBlbXB0eSBzdHJpbmcsIGNoZWNrX3BhdGgoKSB3b24ndCBjYWxsCnBhdGhpbmZv KERJX0FMTCkgYW55IG1vcmUuCgo0LiBUaGUgImJsYW5rIiBsb2dpYyBpbiBwYXRoaW5mbygpIGNv bWJpbmVzIHNldmVyYWwgdmVyeSBkaWZmZXJlbnQKY2FzZXMuCiAgYSkgUEFUSF9SRU1PVkVEIHN0 YXR1cyBmcm9tIHBhdGhfb2ZmbGluZSgpLiBUaGlzIG1lYW5zIHRoYXQKZWxlbWVudGFyeSBzeXNm cyBhdHRyaWJ1dGVzIHdlcmUgbWlzc2luZy4gVGhpcyBpcyBhbG1vc3QgdGhlIHNhbWUgYXMKZmFp bHVyZSBpbiBzeXNmc19wYXRoaW5mbygpLCB3aGljaCByZXN1bHRzIGluIFBBVEhJTkZPX0ZBSUxF RCByZXR1cm4Kc3RhdHVzOyBidXQgZm9yIFBBVEhfUkVNT1ZFRCB3ZSByZXR1cm4gUEFUSElORk9f T0sgYW5kIGtlZXAgdGhlIHBhdGgKYXJvdW5kLgogIGIpIEZhaWx1cmUgaW4gY2hlY2tlcl9jaGVj aygpLiBJZiB0aGUgcGF0aCBpcyBvZmZsaW5lIGluIHRoZSBmaXJzdApwbGFjZSwgdGhlIGNoZWNr ZXIgaXNuJ3QgY2FsbGVkLCBhbmQgV1dJRCBkZXRlcm1pbmF0aW9uIGlzIGF0dGVtcHRlZC4KQnV0 IGlmIHRoZSBjaGVja2VyIHJldHVybnMgUEFUSF9VTkNIRUNLRUQgb3IgUEFUSF9XSUxELCB3ZSBn b3RvICJibGFuayIKc3RhdGUuCiAgYykgRmFpbHVyZSBpbiBzY3NpX2lvY3RsX3BhdGhpbmZvKCkg b3IgY2Npc3NfaW9jdGxfcGF0aGluZm8oKS4gQm90aApmdW5jdGlvbnMgbmV2ZXIgZmFpbCwgc28g dGhpcyBjYW4ndCBoYXBwZW4uIEkndmUgcGF0Y2hlcyBoZXJlIHRvIGZpeAp0aGF0LiAgCiAgZCkg RmFpbHVyZSB0byBvcGVuIHBwLT5mZC4gCgpkKSBpcyB0aGUgb25seSBjYXNlIGluIHdoaWNoIHRo ZSAiYmxhbmsiIGxvZ2ljIG1ha2VzIHJlYWxseSBzZW5zZSB0bwptZS4gSXQgY2FuIGhhcHBlbiBv bmx5IGF0IHRoZSBmaXJzdCBwYXRoaW5mbygpIGludm9jYXRpb24sIG1lYW5pbmcgCnBwLT53d2lk IGlzIHN0aWxsIGVtcHR5LCBhbmQgcHAtPmluaXRpYWxpemVkIGlzIElOSVRfRkFJTEVELiBZb3Vy IHBhdGNoCndvdWxkIGNoYW5nZSBub3RoaW5nIGZvciB0aGlzIGNhc2UuCgphKSBhbmQgYikgY2Fu IGhhcHBlbiBmb3IgcGF0aHMgdGhhdCBoYXZlIGJlZW4gaW5pdGlhbGl6ZWQgYWxyZWFkeS4gSQp0 aGluayBpbiBjYXNlIGEpIHRoZSBXV0lEIHNob3VsZCBiZSByZXNldCwgcHJvYmFibHkgaW5pdGlh bGl6ZWQgc2hvdWxkCmJlIHNldCB0byBJTklUX0ZBSUxFRCwgYW5kIFBBVEhJTkZPX0ZBSUxFRCBz aG91bGQgYmUgcmV0dXJuZWQuIEluIGNhc2UKYikgd2Ugc2hvdWxkIElNTyBwcm9jZWVkIG5vcm1h bGx5IHJhdGhlciB0aGFuIGdvdG8gImJsYW5rIi4gUmVzZXR0aW5nCnRoZSBXV0lEIGluIGNhc2Ug YikgaXMgbm9uc2Vuc2UsIGFncmVlZC4KCkFsdG9nZXRoZXIsIGlmIG15IGFuYWx5c2lzIGlzIGNv cnJlY3QsIHlvdXIgcGF0Y2ggKG5vdCBibGFua2luZyB0aGUKV1dJRCkgc2hvdWxkIGJlIGFwcGxp ZWQgdG8gY2FzZSBiKSBvbmx5LgoKUGxlYXNlIGNvbW1lbnQgLSBJIHN0aWxsIGZlZWwgYSBiaXQg Y29uZnVzZWQgYW5kIG1heSBoYXZlIG92ZXJsb29rZWQKc29tZXRoaW5nIGVzc2VudGlhbC4KClJl Z2FyZHMKTWFydGluCgotLSAKRHIuIE1hcnRpbiBXaWxjayA8bXdpbGNrQHN1c2UuY29tPiwgVGVs LiArNDkgKDApOTExIDc0MDUzIDIxMDcKU1VTRSBMaW51eCBHbWJILCBHRjogRmVsaXggSW1lbmTD tnJmZmVyLCBKYW5lIFNtaXRoYXJkLCBHcmFoYW0gTm9ydG9uCkhSQiAyMTI4NCAoQUcgTsO8cm5i ZXJnKQoKCi0tCmRtLWRldmVsIG1haWxpbmcgbGlzdApkbS1kZXZlbEByZWRoYXQuY29tCmh0dHBz Oi8vd3d3LnJlZGhhdC5jb20vbWFpbG1hbi9saXN0aW5mby9kbS1kZXZlbA==