From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Wilck Subject: Re: [PATCH v3 02/19] libmultipath: fix tur checker double locking Date: Fri, 05 Oct 2018 12:25:15 +0200 Message-ID: References: <1537571127-10143-1-git-send-email-bmarzins@redhat.com> <1537571127-10143-3-git-send-email-bmarzins@redhat.com> <3bad257069d68444b0b2743d4b38ba6b6d15501d.camel@suse.com> <20181004164521.GB3172@octiron.msp.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20181004164521.GB3172@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 , mwilck+gmail@suse.de Cc: Bart Van Assche , device-mapper development List-Id: dm-devel.ids T24gVGh1LCAyMDE4LTEwLTA0IGF0IDExOjQ1IC0wNTAwLCAgQmVuamFtaW4gTWFyemluc2tpICB3 cm90ZToKPiBPbiBNb24sIE9jdCAwMSwgMjAxOCBhdCAxMDowOTo0MVBNICswMjAwLCBNYXJ0aW4g V2lsY2sgd3JvdGU6Cj4gPiBPbiBGcmksIDIwMTgtMDktMjEgYXQgMTg6MDUgLTA1MDAsIEJlbmph bWluIE1hcnppbnNraSB3cm90ZToKPiA+ID4gdHVyX2RldnQoKSBsb2NrcyBjdC0+bG9jay4gSG93 ZXZlciwgaXQgaXMgb2Nhc3Npb25hbGx5IGNhbGxlZAo+ID4gPiB3aGlsZQo+ID4gPiBjdC0+bG9j ayBpcyBhbHJlYWR5IGxvY2tlZC4gSW4gcmVhbGl0eSwgdGhlcmUgaXMgbm8gcmVhc29uIHdoeSB3 ZQo+ID4gPiBuZWVkCj4gPiA+IHRvIGxvY2sgYWxsIHRoZSBhY2Nlc3NlcyB0byBjdC0+ZGV2dC4g VGhlIHR1ciBjaGVja2VyIG9ubHkgbmVlZHMKPiA+ID4gdG8KPiA+ID4gd3JpdGUgdG8gdGhpcyB2 YXJpYWJsZSBvbmUgdGltZSwgd2hlbiBpdCBmaXJzdCBnZXRzIHRoZSBmaWxlCj4gPiA+IGRlc2Ny aXB0ZXIKPiA+ID4gdGhhdCBpdCBpcyBjaGVja2luZy4gIEl0IGFsc28gbmV2ZXIgdXNlcyBjdC0+ ZGV2dCBkaXJlY3RseS4KPiA+ID4gSW5zdGVhZCwKPiA+ID4gaXQKPiA+ID4gYWx3YXlzIGdyYXBz IHRoZSBtYWpvciBhbmQgbWlub3IsIGFuZCB0dXJucyB0aGVtIGludG8gYSBzdHJpbmcuCj4gPiA+ IFRoaXMKPiA+ID4gcGF0Y2ggY2hhbmdlcyBjdC0+ZGV2dCBpbnRvIHRoYXQgc3RyaW5nLCBhbmQg c2V0cyBpdCBpbgo+ID4gPiBsaWJjaGVja19pbml0KCkKPiA+ID4gd2hlbiBpdCBpcyBmaXJzdCBp bml0aWFsaXppbmcgdGhlIGNoZWNrZXIgY29udGV4dC4gQWZ0ZXIgdGhhdCwKPiA+ID4gY3QtCj4g PiA+ID4gZGV2dAo+ID4gPiAKPiA+ID4gaXMgb25seSBldmVyIHJlYWQuCj4gPiAKPiA+IEkgbGlr ZSB0aGUgbG9jayByZW1vdmFsIGEgbG90LCBidXQgbm90IHNvIG11Y2ggdGhlIGNvbnZlcnNpb24g aW50bwo+ID4gYQo+ID4gc3RyaW5nLiBXaHkgbm90IGtlZXAgdGhlIGRldl90PyAKPiAKPiBCZWNh dXNlIHdlIHdpbGwgc2ltcGx5IGNvbnZlcnQgaXQgaW50byBhIHN0cmluZyBldmVyeSB0aW1lIHdl IHVzZSBpdCwKPiBpbnN0ZWFkIG9mIGRvaW5nIHRoZSB3b3JrIG9uZSB0aW1lLiBJdCdzIDI0IG1v cmUgYnl0ZXMgaW4gdGhlCj4gdHVyX2NoZWNrZXJfY29udGV4dCwgYnV0IHRoZSBjb2RlIGlzIGVh c2llciB0byByZWFkLCBhbmQgd2UncmUgbm90Cj4gZG9pbmcKPiB0aGUgc2FtZSB3b3JrIGFnYWlu IGFuZCBhZ2Fpbi4KCldlbGwsIElNTyBzbnByaW50ZihidWYsIE4sICIlZDolZCIsIG1ham9yKHgp LCBtaW5vcih4KSkgaXMgbm90IF90aGF0XwptdWNoIHdvcmssIGFuZCBpdCBsb29rcyBhIGxvdCBj bGVhbmVyLCB0byBtZSBhdCBsZWFzdC4KCkJ1dCBPSywgSSdtIG5vdCBpbnNpc3Rpbmcgb24gdGhp cy4gU28sIGlmIHlvdSByZS1wb3N0LCBJJ20gZ29pbmcgdG8gYWNrCnRoZSBwYXRjaC4KCk15IHRo b3VnaHQgZm9yIGxvbmcgdGVybSBpcyBpcyB0aGlzIGFjdHVhbGx5IHRoaXM6IGN0LT5kZXZfdCBp cyBvbmx5Cm5lZWRlZCBmb3IgY3JlYXRpbmcgbWVzc2FnZXMgdG8gYmUgc3RvcmVkIGluIHRoZSBj aGVja2VyLT5tZXNzYWdlCnN0cmluZywgd2hpY2ggSSBkb24ndCBsaWtlIGVpdGhlci4KCldoeSBk b24ndCB3ZSByZXBsYWNlIHRoZSAibWVzc2FnZSIgZmllbGQgd2l0aCBhbiAiaW50IG1zZ2lkIiwg YW5kCmFkZCBhIAoKICAgICBjaGFyKiAoKmdldF9tZXNzYWdlKShpbnQgbXNnaWQpCgp0byB0aGUg Y2hlY2tlciBBUEk/Cgptc2dpZCBjb3VsZCBhY3R1YWxseSBiZSBhbm90aGVyICJ1YXRvbWljIiBm aWVsZC4gV2UgY291bGQgZXZlbiBnbyBvbmUKc3RlcCBmdXJ0aGVyLCBjcmVhdGUgYSBmaWVsZCBm b3IgdGhlIGNoZWNrZXIgc3RhdHVzIGluIHN0cnVjdCBjaGVja2VyLAphbmQgdXNlIGxpa2Ugb25l IGJ5dGUgZm9yIHRoZSBnZW5lcmFsIHBhdGggc3RhdHVzIGFuZCB0aGUgcmVzdCBvZiB0aGUKZmll bGQgZm9yIHRoZSBtc2dpZCwgd2hpY2ggdXN1YWxseSByZXByZXNlbnRzIGp1c3Qgc29tZSBjaGVj a2VyLQpzcGVjaWZpYyBleHRyYSBpbmZvcm1hdGlvbiB3cnQgdGhlIHN0YXR1cy4KCj4gPiAKPiA+ IE9yIG1heWJlIGV2ZW4gZWFzaWVyLCB0aGUgb3RoZXIgd2F5IGFyb3VuZDogd2h5IGRvbid0IHdl IG1ha2UgaXQgYQo+ID4gY2hhciogYW5kIHNpbXBseSBzZXQgY2hlY2tlci0+ZGV2X3QgPSAmcHAt PmRldl90Pwo+IAo+IFRoZSB3aG9sZSByZWFzb24gd2UgaGF2ZSB0dXJfY2hlY2tlcl9jb250ZXh0 LT5ob2xkZXJzIGlzIHRoYXQgaXQncwo+IHBvc3NpYmxlIGZvciBhIHBhdGggdG8gYmUgcmVtb3Zl ZCAob3Igb3JwaGFuZWQpIHdoaWxlIHRoZSB0aHJlYWQgaXMKPiBzdGlsbCBydW5uaW5nLiBUaGUg dHVyX2NoZWNrZXJfY29udGV4dCBuZWVkcyB0byBrZWVwIGFsbCBpdHMgb3duCj4gc3RvcmFnZSwg c28gdGhhdCBpdCBuZXZlciBhcyB0byB3b3JyeSBhYm91dCBwb2ludGluZyB0byBmcmVlZCBtZW1v cnkuCgpZZWFoLCBJIGdvdCB0aGF0IG1lYW53aGlsZSwgYXMgcG9zdGVkIGJlZm9yZS4gU29ycnku CgpNYXJ0aW4KCi0tIApEci4gTWFydGluIFdpbGNrIDxtd2lsY2tAc3VzZS5jb20+LCBUZWwuICs0 OSAoMCk5MTEgNzQwNTMgMjEwNwpTVVNFIExpbnV4IEdtYkgsIEdGOiBGZWxpeCBJbWVuZMO2cmZm ZXIsIEphbmUgU21pdGhhcmQsIEdyYWhhbSBOb3J0b24KSFJCIDIxMjg0IChBRyBOw7xybmJlcmcp CgoKLS0KZG0tZGV2ZWwgbWFpbGluZyBsaXN0CmRtLWRldmVsQHJlZGhhdC5jb20KaHR0cHM6Ly93 d3cucmVkaGF0LmNvbS9tYWlsbWFuL2xpc3RpbmZvL2RtLWRldmVs