From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Wilck Subject: Re: [PATCH v4 16/20] multipath -u : set FIND_MULTIPATHS_WAIT_UNTIL from /dev/shm Date: Thu, 12 Apr 2018 22:35:02 +0200 Message-ID: <1523565302.4346.43.camel@suse.com> References: <20180404161627.6244-1-mwilck@suse.com> <20180404161627.6244-17-mwilck@suse.com> <20180412183639.GR3103@octiron.msp.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180412183639.GR3103@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, Julian Andres Klode List-Id: dm-devel.ids T24gVGh1LCAyMDE4LTA0LTEyIGF0IDEzOjM2IC0wNTAwLCBCZW5qYW1pbiBNYXJ6aW5za2kgd3Jv dGU6Cj4gT24gV2VkLCBBcHIgMDQsIDIwMTggYXQgMDY6MTY6MjNQTSArMDIwMCwgTWFydGluIFdp bGNrIHdyb3RlOgo+ID4gSW4gImZpbmRfbXVsdGlwYXRocyBzbWFydCIgbW9kZSwgdXNlIHRpbWUg c3RhbXBzIHVuZGVyCj4gPiAvZGV2L3NobS9tdWx0aXBhdGgvZmluZF9tdWx0aXBhdGhzIHRvIHRy YWNrIHdhaXRpbmcgZm9yIG11bHRpcGF0aAo+ID4gc2libGluZ3MuIFdoZW4gYSBwYXRoIGlzIGZp cnN0IGVuY291bnRlcmVkIGFuZCBpcyAibWF5YmUiCj4gPiBtdWx0aXBhdGgsIGNyZWF0ZSBhCj4g PiBmaWxlIHVuZGVyIC9kZXYvc2htLCBzZXQgaXRzIG1vZGlmaWNhdGlvbiB0aW1lIHRvIHRoZSBl eHBpcnkgdGltZQo+ID4gb2YgdGhlCj4gPiB0aW1lciwgYW5kIHNldCB0aGUgRklORF9NVUxUSVBB VEhTX1dBSVRfVU5USUwgdmFyaWFibGUuIE9uIGxhdGVyCj4gPiBjYWxscywgYWxzbyBzZXQKPiA+ IEZJTkRfTVVMVElQQVRIU19XQUlUX1VOVElMIHRvIHRoZSBleHBpcnkgdGltZSAoYnV0IGRvbid0 IGNoYW5nZSB0aGUKPiA+IHRpbWUKPiA+IHN0YW1wKSBpZiBpdCdzIG5vdCBleHBpcmVkIHlldCwg b3IgMCBpZiBpdCBpcyBleHBpcmVkLiBTZXQKPiA+IEZJTkRfTVVMVElQQVRIU19XQUlUX1VOVElM IGV2ZW4gaWYgZW5vdWdoIGV2aWRlbmNlIGJlY29tZXMKPiA+IGF2YWlsYWJsZSB0byBkZWNpZGUK PiA+IGlmIHRoZSBwYXRoIG5lZWRzIHRvIGJlIG11bHRpcGF0aGVkIC0gdGhpcyBlbmFibGVzIHRo ZSB1ZGV2IHJ1bGVzCj4gPiB0byBkZXRlY3QKPiA+IHRoYXQgdGhpcyBpcyBhIGRldmljZSBhIHRp bWVyIGhhcyBiZWVuIHN0YXJ0ZWQgZm9yLCBhbmQgc3RvcCBpdC4gQnkKPiA+IHVzaW5nCj4gPiAv ZGV2L3NobSwgd2Ugc2hhcmUgaW5mb3JtYXRpb24gYWJvdXQgInNtYXJ0IiB0aW1lcnMgYmV0d2Vl biBpbml0cmQKPiA+IGFuZCByb290Cj4gPiBmaWxlIHN5c3RlbSwgYW5kIHRodXMgb25seSBjYWxj dWxhdGUgdGhlIHRpbWVvdXQgb25jZS4KPiA+IAo+ID4gU2lnbmVkLW9mZi1ieTogTWFydGluIFdp bGNrIDxtd2lsY2tAc3VzZS5jb20+Cj4gPiAtLS0KPiA+ICBsaWJtdWx0aXBhdGgvZmlsZS5jIHwg ICAyICstCj4gPiAgbGlibXVsdGlwYXRoL2ZpbGUuaCB8ICAgMSArCj4gPiAgbXVsdGlwYXRoL21h aW4uYyAgICB8IDEzMwo+ID4gKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKwo+ID4gIDMgZmlsZXMgY2hhbmdlZCwgMTM1IGluc2VydGlvbnMoKyksIDEg ZGVsZXRpb24oLSkKPiA+IAo+ID4gKwo+ID4gKy8qKgo+ID4gKyAqIGZpbmRfbXVsdGlwYXRoc19j aGVja190aW1lb3V0KHd3aWQsIHRtbykKPiA+ICsgKiBIZWxwZXIgZm9yICJmaW5kX211bHRpcGF0 aHMgc21hcnQiCj4gPiArICoKPiA+ICsgKiBAcGFyYW1baW5dIHBwOiBwYXRoIHRvIGNoZWNrIC8g cmVjb3JkCj4gPiArICogQHBhcmFtW2luXSB0bW86IGNvbmZpZ3VyZWQgdGltZW91dCBmb3IgdGhp cyBXV0lELCBvciB2YWx1ZSA8PSAwCj4gPiBmb3IgY2hlY2tpbmcKPiA+ICsgKiBAcGFyYW1bb3V0 XSB1bnRpbDogdGltZXN0YW1wIHVudGlsIHdlIG11c3Qgd2FpdCwKPiA+IENMT0NLX1JFQUxUSU1F LCBpZiByZXR1cm4KPiA+ICsgKiAgICAgICAgICAgICB2YWx1ZSBpcyBGSU5EX01VTFRJUEFUSFNf V0FJVElORwo+ID4gKyAqIEByZXR1cm5zOiBGSU5EX01VTFRJUEFUSFNfV0FJVF9ET05FLCBpZiB3 YWl0aW5nIGhhcyBmaW5pc2hlZAo+ID4gKyAqIEByZXR1cm5zOiBGSU5EX01VTFRJUEFUSFNfRVJS T1IsIGlmIGludGVybmFsIGVycm9yIG9jY3VyZWQKPiA+ICsgKiBAcmV0dXJuczogRklORF9NVUxU SVBBVEhTX05FVkVSLCBpZiB0bW8gaXMgMCBhbmQgd2UgZGlkbid0IHdhaXQKPiA+IGZvciB0aGlz Cj4gPiArICogICAgICAgICAgIGRldmljZQo+ID4gKyAqIEByZXR1cm5zOiBGSU5EX01VTFRJUEFU SFNfV0FJVElORywgaWYgdGltZW91dCBoYXNuJ3QgZXhwaXJlZAo+ID4gKyAqLwo+ID4gK3N0YXRp YyBpbnQgZmluZF9tdWx0aXBhdGhzX2NoZWNrX3RpbWVvdXQoY29uc3Qgc3RydWN0IHBhdGggKnBw LAo+ID4gbG9uZyB0bW8sCj4gPiArCQkJCQkgc3RydWN0IHRpbWVzcGVjICp1bnRpbCkKPiA+ICt7 Cj4gPiArCWNoYXIgcGF0aFtQQVRIX01BWF07Cj4gPiArCXN0cnVjdCB0aW1lc3BlYyBub3csIGZ0 aW1lc1syXSwgdGRpZmY7Cj4gPiArCXN0cnVjdCBzdGF0IHN0Owo+ID4gKwlsb25nIGZkOwo+ID4g KwlpbnQgciwgZXJyLCByZXRyaWVzID0gMDsKPiA+ICsKPiA+ICsJY2xvY2tfZ2V0dGltZShDTE9D S19SRUFMVElNRSwgJm5vdyk7Cj4gPiArCj4gCj4gSSdtIHdvcnJpZWQgYWJvdXQgdXNpbmcgcHAt PmRldl90IGhlcmUgd2l0aCBubyBtZXRob2Qgb2YgcmVtb3ZpbmcKPiB0aGVzZQo+IGZpbGVzLiAg V2hhdCBoYXBwZW5zIHdoZW4gYSBwYXRoIGRldmljZSwgc2F5IDg6MzIgaXMgcmVtb3ZlZCBhbmQg YQo+IGNvbXBsZXRlbHkgbmV3IGRldmljZSBjb21lcyBpbiByZXVzaW5nIHRoZSBzYW1lIGRldl90 PwoKSG0sIHdoYXQgZWxzZSBzaG91bGQgd2UgdXNlPyBkZXZub2RlIG5hbWUgaXMgZXZlbiB3b3Jz ZSwgYW5kIG1vc3Qgb3RoZXIKb3B0aW9ucyBhcmUgYSBjYW4gb2Ygd29ybXMuLi4gIEluIHRoZSB3 b3JzdCBjYXNlLCB0aGUgbmV3IGRldmljZQp3b3VsZG4ndCBiZSB3YWl0ZWQgZm9yIChvciBub3Qg bG9uZyBlbm91Z2gpLCBiZWNhdXNlIHRoZSBtYXJrZXIgZXhpc3RlZApiZWZvcmUgaXQgd2FzIGRl dGVjdGVkLgoKSSBjb3VsZCBzaW1wbHkgYWRkIGEgcnVsZSB0aGF0IHJlbW92ZXMgdGhlIG1hcmtl ciBpbiBjYXNlIG9mIGEgInJlbW92ZSIKdWV2ZW50LCBvaz8KCj4gCj4gPiArCWlmIChzbnByaW50 ZihwYXRoLCBzaXplb2YocGF0aCksICIlcy8lcyIsIHNobV9maW5kX21wX2RpciwKPiA+IHBwLT5k ZXZfdCkKPiA+ICsJICAgID49IHNpemVvZihwYXRoKSkgewo+ID4gKwkJY29uZGxvZygxLCAiJXM6 IHBhdGggbmFtZSBvdmVyZmxvdyIsIF9fZnVuY19fKTsKPiAKPiBzaG91bGRuJ3QgdGhpcyBiZToK PiAJCXJldHVybiBGSU5EX01VTFRJUEFUSFNfRVJST1I7CgpCYWgsIHRoYW5rIGZvciBjYXRjaGlu ZyBpdC4KCj4gPiAgc3RhdGljIGludCBwcmludF9jbWRfdmFsaWQoaW50IGssIGNvbnN0IHZlY3Rv ciBwYXRodmVjLAo+ID4gIAkJCSAgIHN0cnVjdCBjb25maWcgKmNvbmYpCj4gPiAgewo+ID4gIAlz dGF0aWMgY29uc3QgaW50IHZhbHNbXSA9IHsgMSwgMCwgMiB9Owo+ID4gKwlpbnQgd2FpdCA9IEZJ TkRfTVVMVElQQVRIU19ORVZFUjsKPiA+ICsJc3RydWN0IHRpbWVzcGVjIHVudGlsOwo+ID4gKwlz dHJ1Y3QgcGF0aCAqcHA7Cj4gPiAgCj4gPiAgCWlmIChrIDwgMCB8fCBrID49IHNpemVvZih2YWxz KSkKPiA+ICAJCXJldHVybiAxOwo+ID4gIAo+ID4gKwlpZiAoayA9PSAyKSB7Cj4gPiArCQkvKgo+ ID4gKwkJICogQ2FsbGVyIGVuc3VyZXMgdGhhdCBwYXRodmVjWzBdIGlzIHRoZSBwYXRoIHRvCj4g PiArCQkgKiBleGFtaW5lLgo+ID4gKwkJICovCj4gPiArCQlwcCA9IFZFQ1RPUl9TTE9UKHBhdGh2 ZWMsIDApOwo+ID4gKwkJc2VsZWN0X2ZpbmRfbXVsdGlwYXRoc190aW1lb3V0KGNvbmYsIHBwKTsK PiA+ICsJCXdhaXQgPSBmaW5kX211bHRpcGF0aHNfY2hlY2tfdGltZW91dCgKPiA+ICsJCQlwcCwg cHAtPmZpbmRfbXVsdGlwYXRoc190aW1lb3V0LCAmdW50aWwpOwo+ID4gKwkJaWYgKHdhaXQgIT0g RklORF9NVUxUSVBBVEhTX1dBSVRJTkcpCj4gPiArCQkJayA9IDE7Cj4gPiArCX0gZWxzZSBpZiAo cGF0aHZlYyAhPSBOVUxMKSB7Cj4gPiArCQlwcCA9IFZFQ1RPUl9TTE9UKHBhdGh2ZWMsIDApOwo+ ID4gKwkJd2FpdCA9IGZpbmRfbXVsdGlwYXRoc19jaGVja190aW1lb3V0KHBwLCAwLAo+ID4gJnVu dGlsKTsKPiA+ICsJfQo+ID4gKwlpZiAod2FpdCA9PSBGSU5EX01VTFRJUEFUSFNfV0FJVElORykK PiA+ICsJCXByaW50ZigiRklORF9NVUxUSVBBVEhTX1dBSVRfVU5USUw9XCIlbGQuJTA2bGRcIlxu Cj4gPiAiLAo+ID4gKwkJCSAgICAgICB1bnRpbC50dl9zZWMsIHVudGlsLnR2X25zZWMvMTAwMCk7 Cj4gPiArCWVsc2UgaWYgKHdhaXQgPT0gRklORF9NVUxUSVBBVEhTX1dBSVRfRE9ORSkKPiA+ICsJ CXByaW50ZigiRklORF9NVUxUSVBBVEhTX1dBSVRfVU5USUw9XCIwXCJcbiIpOwo+IAo+IElmIHdl IGdldCBhbiBlcnJvciB0cnlpbmcgdG8gY2hlY2sgdGhlIHRpbWVvdXQsIHNob3VsZCB3ZSBqdXN0 IGtlZXAKPiBGSU5EX01VTFRJUEFUSFNfV0FJVF9VTlRJTCB0aGUgc2FtZT8gT3Igd291bGQgaXQg YmUgYmV0dGVyIHRvIHNldCBpdAo+IHRvCj4gMCwgYW5kIGZhaWwgdGhlIHNtYXJ0IGNsYWltaW5n PwoKVGhlIGxhdHRlciBpcyB3aGF0IHdlIGRvLiBXZSBzZXQgaz0xIGlmIGZpbmRfbXVsdGlwYXRo c19jaGVja190aW1lb3V0KCkKcmV0dXJucyBhbnl0aGluZyBidXQgRklORF9NVUxUSVBBVEhTX1dB SVRJTkcsIHJlc3VsdGluZyBpbgpETV9NVUxUSVBBVEhfREVWSUNFX1BBVEg9IjAiLgoKUmVnYXJk cwpNYXJ0aW4KCi0tIApEci4gTWFydGluIFdpbGNrIDxtd2lsY2tAc3VzZS5jb20+LCBUZWwuICs0 OSAoMCk5MTEgNzQwNTMgMjEwNwpTVVNFIExpbnV4IEdtYkgsIEdGOiBGZWxpeCBJbWVuZMO2cmZm ZXIsIEphbmUgU21pdGhhcmQsIEdyYWhhbSBOb3J0b24KSFJCIDIxMjg0IChBRyBOw7xybmJlcmcp CgotLQpkbS1kZXZlbCBtYWlsaW5nIGxpc3QKZG0tZGV2ZWxAcmVkaGF0LmNvbQpodHRwczovL3d3 dy5yZWRoYXQuY29tL21haWxtYW4vbGlzdGluZm8vZG0tZGV2ZWw=