From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH 2/2] multipathd: Avoid that a deadlock is triggered sporadically during shutdown Date: Thu, 20 Oct 2016 15:47:53 -0700 Message-ID: <5816570e-9c96-4845-6f51-1c19e63681a7@sandisk.com> References: <5832949e-aa89-ebf2-11e1-67bbb4d050bf@sandisk.com> <4b86f060-4232-1483-8312-a61fcc5b3e95@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <4b86f060-4232-1483-8312-a61fcc5b3e95@gmail.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: Xose Vazquez Perez Cc: device-mapper development List-Id: dm-devel.ids T24gMTAvMjAvMjAxNiAwMzoyOCBQTSwgWG9zZSBWYXpxdWV6IFBlcmV6IHdyb3RlOgo+IE9uIDEw LzE0LzIwMTYgMDU6MzUgUE0sIEJhcnQgVmFuIEFzc2NoZSB3cm90ZToKPgo+PiBwdGhyZWFkX2Nv bmRfd2FpdCgpIGlzIGEgdGhyZWFkIGNhbmNlbGxhdGlvbiBwb2ludC4gSWYgYSB0aHJlYWQgdGhh dAo+PiBpcyB3YWl0aW5nIGluIHB0aHJlYWRfY29uZF93YWl0KCkgaXMgY2FuY2VsZWQgaXQgaXMg cG9zc2libGUgdGhhdCB0aGUKPj4gbXV0ZXggaXMgcmUtYWNxdWlyZWQgYmVmb3JlIHRoZSBmaXJz dCBjYW5jZWxsYXRpb24gY2xlYW51cCBoYW5kbGVyCj4+IGlzIGNhbGxlZC4gSW4gdGhpcyBjYXNl IHRoZSBjbGVhbnVwIGhhbmRsZXIgaXMgdWV2cV9zdG9wKCkgYW5kIHRoYXQKPj4gZnVuY3Rpb24g bG9ja3MgdWV2cV9sb2NrLiBBdm9pZCB0aGF0IGNhbGxpbmcgdWV2cV9zdG9wKCkgcmVzdWx0cyBp bgo+PiBhIGRlYWRsb2NrIGR1ZSB0byBhbiBhdHRlbXB0IHRvIGxvY2sgYSBub24tcmVjdXJzaXZl IG11dGV4IHJlY3Vyc2l2ZWx5Lgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBCYXJ0IFZhbiBBc3NjaGUg PGJhcnQudmFuYXNzY2hlQHNhbmRpc2suY29tPgo+PiAtLS0KPj4gIGxpYm11bHRpcGF0aC91ZXZl bnQuYyB8IDIgKy0KPj4gIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMSBkZWxldGlv bigtKQo+Pgo+PiBkaWZmIC0tZ2l0IGEvbGlibXVsdGlwYXRoL3VldmVudC5jIGIvbGlibXVsdGlw YXRoL3VldmVudC5jCj4+IGluZGV4IDYyNDc4OTguLjg1ZmQyZmIgMTAwNjQ0Cj4+IC0tLSBhL2xp Ym11bHRpcGF0aC91ZXZlbnQuYwo+PiArKysgYi9saWJtdWx0aXBhdGgvdWV2ZW50LmMKPj4gQEAg LTUyLDcgKzUyLDcgQEAgdHlwZWRlZiBpbnQgKHVldl90cmlnZ2VyKShzdHJ1Y3QgdWV2ZW50ICos IHZvaWQgKiB0cmlnZ2VyX2RhdGEpOwo+Pgo+PiAgcHRocmVhZF90IHVldnFfdGhyOwo+PiAgTElT VF9IRUFEKHVldnEpOwo+PiAtcHRocmVhZF9tdXRleF90IHVldnFfbG9jayA9IFBUSFJFQURfTVVU RVhfSU5JVElBTElaRVI7Cj4+ICtwdGhyZWFkX211dGV4X3QgdWV2cV9sb2NrID0gUFRIUkVBRF9S RUNVUlNJVkVfTVVURVhfSU5JVElBTElaRVJfTlA7Cj4+ICBwdGhyZWFkX211dGV4X3QgKnVldnFf bG9ja3AgPSAmdWV2cV9sb2NrOwo+PiAgcHRocmVhZF9jb25kX3QgdWV2X2NvbmQgPSBQVEhSRUFE X0NPTkRfSU5JVElBTElaRVI7Cj4+ICBwdGhyZWFkX2NvbmRfdCAqdWV2X2NvbmRwID0gJnVldl9j b25kOwo+Pgo+Cj4gUFRIUkVBRF9SRUNVUlNJVkVfTVVURVhfSU5JVElBTElaRVJfTlAgaXMgbm90 IGRlZmluZWQgaW4gUE9TSVguCj4KPiBUaGlzIGlzIGdvaW5nIHRvIGJlIHByb2JsZW1hdGljIGlu IG11c2wtbGliYyBiYXNlZCBkaXN0cmlidXRpb25zOgo+IGh0dHA6Ly93aWtpLm11c2wtbGliYy5v cmcvd2lraS9Qcm9qZWN0c191c2luZ19tdXNsI0Rpc3RyaWJ1dGlvbnMKPgo+Cj4gfi9tdXNsLWdj YyAtTzIgLWcgLXBpcGUgLVdhbGwgLVdleHRyYSAtV2Zvcm1hdD0yIC1Xbm8tc2lnbi1jb21wYXJl IC1Xbm8tdW51c2VkLXBhcmFtZXRlciAtV25vLWNsb2JiZXJlZCAtV3AsLURfRk9SVElGWV9TT1VS Q0U9MiAtZnN0YWNrLXByb3RlY3RvciAtLXBhcmFtPXNzcC1idWZmZXItc2l6ZT00IC1mUElDIC1E TElCX1NUUklORz1cImxpYjY0XCIKPiAtRFJVTl9ESVI9XCJydW5cIiAtSS4uL2xpYm1wYXRoY21k IC1EVVNFX1NZU1RFTUQ9MjI5IC1ETElCRE1fQVBJX0ZMVVNIIC1EX0dOVV9TT1VSQ0UgLURMSUJE TV9BUElfQ09PS0lFIC1ETElCVURFVl9BUElfUkVDVkJVRiAtRExJQkRNX0FQSV9ERUZFUlJFRCAt YyAtbyB1ZXZlbnQubyB1ZXZlbnQuYwo+IHVldmVudC5jOjU1OjI5OiBlcnJvcjogw6LigqzLnFBU SFJFQURfUkVDVVJTSVZFX01VVEVYX0lOSVRJQUxJWkVSX05Qw6LigqzihKIgdW5kZWNsYXJlZCBo ZXJlIChub3QgaW4gYSBmdW5jdGlvbikKPiAgcHRocmVhZF9tdXRleF90IHVldnFfbG9jayA9IFBU SFJFQURfUkVDVVJTSVZFX01VVEVYX0lOSVRJQUxJWkVSX05QOwo+ICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgXn5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+fn4KPiAuLi9N YWtlZmlsZS5pbmM6NzQ6IHJlY2lwZSBmb3IgdGFyZ2V0ICd1ZXZlbnQubycgZmFpbGVkCj4gbWFr ZVsxXTogW3VldmVudC5vXSBFcnJvciAxIChpZ25vcmVkKQoKSGVsbG8gWG9zZSwKClRoYW5rcyBm b3IgcmVwb3J0aW5nIHRoaXMuIEkgd2lsbCByZXdvcmsgdGhhdCBwYXRjaC4KCkJhcnQuCgotLQpk bS1kZXZlbCBtYWlsaW5nIGxpc3QKZG0tZGV2ZWxAcmVkaGF0LmNvbQpodHRwczovL3d3dy5yZWRo YXQuY29tL21haWxtYW4vbGlzdGluZm8vZG0tZGV2ZWw=