From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcin Tomczak Subject: [PATCH] imsm: Forbid spanning between multiple controllers. Date: Fri, 09 Nov 2012 15:46:36 +0100 Message-ID: <20121109144636.2215.91684.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Sender: linux-raid-owner@vger.kernel.org To: neilb@suse.de Cc: linux-raid@vger.kernel.org, maciej.patelczyk@intel.com, lukasz.dorau@intel.com List-Id: linux-raid.ids QXR0YWNoaW5nIGRpc2tzIHRvIG11bHRpcGxlIGNvbnRyb2xsZXJzIG9mIHRoZSBzYW1lIHR5cGUg aGFzIGJlZW4KYWxsb3dlZCBzbyBmYXIuIE5vdyBzcGFubmluZyBiZXR3ZWVuIG11bHRpcGxlIGNv bnRyb2xsZXJzIGlzIGRpc2FsbG93ZWQKYXQgYWxsIGJ5IElNU00gbWV0YWRhdGEuCgpTaWduZWQt b2ZmLWJ5OiBNYXJjaW4gVG9tY3phayA8bWFyY2luLnRvbWN6YWtAaW50ZWwuY29tPgpSZXZpZXdl ZC1ieTogTHVrYXN6IERvcmF1IDxsdWthc3ouZG9yYXVAaW50ZWwuY29tPgotLS0KIHN1cGVyLWlu dGVsLmMgfCAgIDI1ICsrKysrKysrLS0tLS0tLS0tLS0tLS0tLS0KIDEgZmlsZXMgY2hhbmdlZCwg OCBpbnNlcnRpb25zKCspLCAxNyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9zdXBlci1pbnRl bC5jIGIvc3VwZXItaW50ZWwuYwppbmRleCA1NDRjYjA1Li5kYjQzN2I5IDEwMDY0NAotLS0gYS9z dXBlci1pbnRlbC5jCisrKyBiL3N1cGVyLWludGVsLmMKQEAgLTU1OCwyMCArNTU4LDExIEBAIHN0 YXRpYyBpbnQgYXR0YWNoX2hiYV90b19zdXBlcihzdHJ1Y3QgaW50ZWxfc3VwZXIgKnN1cGVyLCBz dHJ1Y3Qgc3lzX2RldiAqZGV2aWNlCiAJaWYgKHN1cGVyLT5oYmEgPT0gTlVMTCkgewogCQlzdXBl ci0+aGJhID0gYWxsb2NfaW50ZWxfaGJhKGRldmljZSk7CiAJCXJldHVybiAxOwotCX0KLQotCWhi YSA9IHN1cGVyLT5oYmE7Ci0JLyogSW50ZWwgbWV0YWRhdGEgYWxsb3dzIGZvciBhbGwgZGlza3Mg YXR0YWNoZWQgdG8gdGhlIHNhbWUgdHlwZSBIQkEuCi0JICogRG8gbm90IHN5cHBvcnQgb2RmIEhC QSB0eXBlcyBtaXhpbmcKLQkgKi8KLQlpZiAoZGV2aWNlLT50eXBlICE9IGhiYS0+dHlwZSkKKwl9 IGVsc2UKKwkJLyogSU1TTSBtZXRhZGF0YSBkaXNhbGxvd3MgdG8gYXR0YWNoIGRpc2tzIHRvIG11 bHRpcGxlCisJCSAqIGNvbnRyb2xsZXJzLgorCQkgKi8KIAkJcmV0dXJuIDI7Ci0KLQl3aGlsZSAo aGJhLT5uZXh0KQotCQloYmEgPSBoYmEtPm5leHQ7Ci0KLQloYmEtPm5leHQgPSBhbGxvY19pbnRl bF9oYmEoZGV2aWNlKTsKLQlyZXR1cm4gMTsKIH0KIAogc3RhdGljIHN0cnVjdCBzeXNfZGV2KiBm aW5kX2Rpc2tfYXR0YWNoZWRfaGJhKGludCBmZCwgY29uc3QgY2hhciAqZGV2bmFtZSkKQEAgLTMw MTgsMTEgKzMwMDksMTEgQEAgc3RhdGljIGludCBjb21wYXJlX3N1cGVyX2ltc20oc3RydWN0IHN1 cGVydHlwZSAqc3QsIHN0cnVjdCBzdXBlcnR5cGUgKnRzdCkKIAkgKi8KIAlpZiAoIWNoZWNrX2Vu digiSU1TTV9OT19QTEFURk9STSIpKSB7CiAJCWlmICghZmlyc3QtPmhiYSB8fCAhc2VjLT5oYmEg fHwKLQkJICAgIChmaXJzdC0+aGJhLT50eXBlICE9IHNlYy0+aGJhLT50eXBlKSkgIHsKKwkJICAg IHN0cmNtcChmaXJzdC0+aGJhLT5wYXRoLCBzZWMtPmhiYS0+cGF0aCkgIT0gMCkgIHsKIAkJCWZw cmludGYoc3RkZXJyLAogCQkJCSJIQkFzIG9mIGRldmljZXMgZG9lcyBub3QgbWF0Y2ggJXMgIT0g JXNcbiIsCi0JCQkJZmlyc3QtPmhiYSA/IGdldF9zeXNfZGV2X3R5cGUoZmlyc3QtPmhiYS0+dHlw ZSkgOiBOVUxMLAotCQkJCXNlYy0+aGJhID8gZ2V0X3N5c19kZXZfdHlwZShzZWMtPmhiYS0+dHlw ZSkgOiBOVUxMKTsKKwkJCQlmaXJzdC0+aGJhID8gZmlyc3QtPmhiYS0+cGF0aCA6IE5VTEwsCisJ CQkJc2VjLT5oYmEgPyBzZWMtPmhiYS0+cGF0aCA6IE5VTEwpOwogCQkJcmV0dXJuIDM7CiAJCX0K IAl9CkBAIC0zODAwLDcgKzM3OTEsNyBAQCBzdGF0aWMgaW50IGZpbmRfaW50ZWxfaGJhX2NhcGFi aWxpdHkoaW50IGZkLCBzdHJ1Y3QgaW50ZWxfc3VwZXIgKnN1cGVyLCBjaGFyICpkZQogCQkJfQog CiAJCQlmcHJpbnRmKHN0ZGVyciwgIikuXG4iCi0JCQkJIiAgICBNaXhpbmcgZGV2aWNlcyBhdHRh Y2hlZCB0byBkaWZmZXJlbnQgY29udHJvbGxlcnMgIgorCQkJCSIgICAgTWl4aW5nIGRldmljZXMg YXR0YWNoZWQgdG8gbXVsdGlwbGUgY29udHJvbGxlcnMgIgogCQkJCSJpcyBub3QgYWxsb3dlZC5c biIpOwogCQl9CiAJCWZyZWVfc3lzX2RldigmaGJhX25hbWUpOwoKLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCkludGVs IFRlY2hub2xvZ3kgUG9sYW5kIHNwLiB6IG8uby4KeiBzaWVkemliYSB3IEdkYW5za3UKdWwuIFNs b3dhY2tpZWdvIDE3Mwo4MC0yOTggR2RhbnNrCgpTYWQgUmVqb25vd3kgR2RhbnNrIFBvbG5vYyB3 IEdkYW5za3UsIApWSUkgV3lkemlhbCBHb3Nwb2RhcmN6eSBLcmFqb3dlZ28gUmVqZXN0cnUgU2Fk b3dlZ28sIApudW1lciBLUlMgMTAxODgyCgpOSVAgOTU3LTA3LTUyLTMxNgpLYXBpdGFsIHpha2xh ZG93eSAyMDAuMDAwIHpsCgpUaGlzIGUtbWFpbCBhbmQgYW55IGF0dGFjaG1lbnRzIG1heSBjb250 YWluIGNvbmZpZGVudGlhbCBtYXRlcmlhbCBmb3IKdGhlIHNvbGUgdXNlIG9mIHRoZSBpbnRlbmRl ZCByZWNpcGllbnQocykuIEFueSByZXZpZXcgb3IgZGlzdHJpYnV0aW9uCmJ5IG90aGVycyBpcyBz dHJpY3RseSBwcm9oaWJpdGVkLiBJZiB5b3UgYXJlIG5vdCB0aGUgaW50ZW5kZWQKcmVjaXBpZW50 LCBwbGVhc2UgY29udGFjdCB0aGUgc2VuZGVyIGFuZCBkZWxldGUgYWxsIGNvcGllcy4K