From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Wilck Subject: Re: [PATCH] kpartx: Improve finding loopback device by file Date: Mon, 05 Feb 2018 18:07:13 +0100 Message-ID: <1517850433.14196.63.camel@suse.com> References: <20180205085831.23923-1-julian.klode@canonical.com> <1517826733.14196.3.camel@suse.com> <20180205104500.n5rrw6nqzamwijvl@jak-x230> <1517838787.14196.10.camel@suse.com> <20180205144121.27ruwyewpkm3a4kd@jak-x230> <1517843520.14196.45.camel@suse.com> <20180205154622.axv3cv5wxot3hmbx@jak-x230> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180205154622.axv3cv5wxot3hmbx@jak-x230> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Julian Andres Klode Cc: dm-devel@redhat.com List-Id: dm-devel.ids T24gTW9uLCAyMDE4LTAyLTA1IGF0IDE2OjQ2ICswMTAwLCBKdWxpYW4gQW5kcmVzIEtsb2RlIHdy b3RlOgo+IE9uIE1vbiwgRmViIDA1LCAyMDE4IGF0IDA0OjEyOjAwUE0gKzAxMDAsIE1hcnRpbiBX aWxjayB3cm90ZToKPiA+IAo+ID4gQ2FuIHdlIGFncmVlIG9uIHRoZSBmb2xsb3dpbmc6Cj4gPiAK PiA+ICAxIGlmIHJlYWxwYXRoIChmaWxlbmFtZSkgcmVzdWx0cyBpbiBlcnJvciwgYWJvcnQKPiAK PiBPSwo+IAo+IAo+ID4gIDIgaWYgcmVhbHBhdGgobG9fbmFtZSkgcmVzdWx0cyBpbiBFTk9ERVYg YW5kIGZpbGVuYW1lIG1hdGNoZXMKPiA+IGxvX25hbWUsCj4gPiByZW1vdmUgbG9vcCBkZXZpY2UK PiA+ICAzIGlmIHJlYWxwYXRoKGxvX25hbWUpIHJlc3VsdHMgaW4gYW5vdGhlciBlcnJvciBjb2Rl LCBza2lwIGl0Cj4gPiAgNCByZW1vdmUgaWYgcmVhbHBhdGgoZmlsZW5hbWUpIG1hdGNoZXMgcmVh bHBhdGgobG9fbmFtZSkKPiAKPiAKPiBUaGlzIHNlZW1zIGxpa2UgYSBsb3Qgb2YgaWZzLiBJdCBt aWdodCBiZSBlYXNpZXIgdG8ganVzdCBwYXRoIGlmCj4gcmVhbHBhdGgocGF0aCkgZmFpbHMgKGFz IHJlYWxwYXRoKDEpIGRvZXMpLCBzb21ldGhpbmcgbGlrZToKPiAKPiAJCQo+IAkJY2hhciAqbG9v cG5hbWUgPSBsb29waW5mby5sb19uYW1lOwo+IAkJaWYgKHJlYWxwYXRoKGxvb3BpbmZvLmxvX25h bWUsIHJsb29wZmlsZW5hbWUpICE9IE5VTEwpCj4gCQkJbG9vcG5hbWUgPSBybG9vcGZpbGVuYW1l Owo+IAo+IAkJaWYgKDAgPT0gc3RyY21wKGZpbGVuYW1lLCBsb29waW5mby5sb19uYW1lKSB8fG15 CgkJICAgIDAgPT0gc3RyY21wKHJmaWxlbmFtZSwgbG9vcG5hbWUpKSkgewo+IAkJCWZvdW5kID0g cmVhbHBhdGgocGF0aCwgTlVMTCk7Cj4gCQkJYnJlYWs7Cj4gCQl9Cj4gCj4gCj4gVGhhdCBzaG91 bGQgc29sdmUgYWxsIHByb2JsZW1zIGFuZCBwcm9kdWNlIHVzZWZ1bCByZXN1bHRzIHdpdGggbm90 Cj4gYSBsb3Qgb2YgbG9naWMuCgpJJ3ZlIHJlcHJvZHVjZWQgeW91ciBpc3N1ZS4gSSBjYW4gc2Vl IHRoYXQgdGhlIGN1cnJlbnQgYmVoYXZpb3IgaXMKd3JvbmcuIAoKVGhpcyBtYXkgYmUgcGFyYW5v aWQsIGJ1dCBJIHJlYWxseSB3YW50IHRvIGF2b2lkIGZhbHNlIHBvc2l0aXZlcyAtCmtwYXJ0eCBy ZW1vdmluZyBtYXBwaW5ncyBpdCBpc24ndCBzdXBwb3NlZCB0byByZW1vdmUuIFRoZXJlZm9yZSBJ J2QKbGlrZSB0byBhdm9pZCBjb21wYXJlIGJ5ICJmaWxlbmFtZSIgYW5kICJsb29wbmFtZSIuIEkg dGhpbmsgaXQncwpwb3NzaWJsZS4KCklNTyBpdCB3b3VsZCBiZSBiZXR0ZXIgdG8gaGF2ZSBrcGFy dHggdXNlIHRoZSByZWFscGF0aCB3aGlsZSAqY3JlYXRpbmcqCnRoZSBwYXJ0aXRpb24gbWFwcGlu ZyBhbHJlYWR5OgoKLS0tIGEva3BhcnR4L2twYXJ0eC5jCisrKyBiL2twYXJ0eC9rcGFydHguYwpA QCAtMzQxLDcgKzM0MSw3IEBAIG1haW4oaW50IGFyZ2MsIGNoYXIgKiphcmd2KXsKICAgICAgICAg ICAgICAgIGlmICghbG9vcGRldikgewogICAgICAgICAgICAgICAgICAgICAgICBsb29wZGV2ID0g ZmluZF91bnVzZWRfbG9vcF9kZXZpY2UoKTsKIAotICAgICAgICAgICAgICAgICAgICAgICBpZiAo c2V0X2xvb3AobG9vcGRldiwgZGV2aWNlLCAwLCAmcm8pKSB7CisgICAgICAgICAgICAgICAgICAg ICAgIGlmIChzZXRfbG9vcChsb29wZGV2LCBycGF0aCwgMCwgJnJvKSkgewogICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgIGZwcmludGYoc3RkZXJyLCAiY2FuJ3Qgc2V0IHVwIGxvb3BcbiIp OwogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGV4aXQgKDEpOwogICAgICAgICAgICAg ICAgICAgICAgICB9CgoKVGhhdCB3b3VsZCBtYWtlIHN1cmUgdGhhdCBrcGFydHggY2FuIGRlbGV0 ZSBsb29wIGRldmljZXMgY3JlYXRlZCBieQppdHNlbGYsIHdoaWNoIGlzIHdoYXQgd2Ugd2FudC4g SU1PIGl0J3Mgc3VmZmljaWVudCB0byBzb2x2ZSB5b3VyIGlzc3VlLgoKVGhlIC1FTk9ERVYgY2Fz ZSBpcyBtb3JlIHRyaWNreSwgeW91ciBwYXRjaCBkb2Vzbid0IHNvbHZlIGl0LiBJZiB5b3UgZG8K CmtwYXJ0eCAtYSAvc29tZS9pbWFnZQpybSAtZiAvc29tZS9pbWFnZQprcGFydHggLWQgL3NvbWUv aW1hZ2UKCmtwYXJ0eCAtZCBmYWlscywgYW5kIHRoYXQncyB1bnJlbGF0ZWQgdG8gdGhlIHJlYWxw YXRoIGNvZGUgKGl0IGZhaWxzIGluCnN0YXQoZGV2aWNlKSBhbHJlYWR5KS4gSG9uZXN0bHksIEkg ZG9uJ3QgdGhpbmsgd2UgbmVlZCB0byBzdXBwb3J0IHRoaXMKc2NlbmFyaW8uIFNldHRpbmcgdXAg YSBsb29wIGRldmljZSBhbmQgdGhlbiBkZWxldGluZyB0aGUgYmFja2luZyBmaWxlCmlzIHNob290 aW5nIG9uZXNlbGYgaW4gdGhlIGZvb3QuCgpNYXJ0aW4KCi0tIApEci4gTWFydGluIFdpbGNrIDxt d2lsY2tAc3VzZS5jb20+LCBUZWwuICs0OSAoMCk5MTEgNzQwNTMgMjEwNwpTVVNFIExpbnV4IEdt YkgsIEdGOiBGZWxpeCBJbWVuZMO2cmZmZXIsIEphbmUgU21pdGhhcmQsIEdyYWhhbSBOb3J0b24K SFJCIDIxMjg0IChBRyBOw7xybmJlcmcpCgotLQpkbS1kZXZlbCBtYWlsaW5nIGxpc3QKZG0tZGV2 ZWxAcmVkaGF0LmNvbQpodHRwczovL3d3dy5yZWRoYXQuY29tL21haWxtYW4vbGlzdGluZm8vZG0t ZGV2ZWw=