From: Christoph Hellwig Subject: [PATCH 06/14] btrfs: separate errno from VM_FAULT_* values Date: Wed, 16 May 2018 07:43:40 +0200 Message-ID: <20180516054348.15950-7-hch@lst.de> References: <20180516054348.15950-1-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mm@kvack.org, ocfs2-devel@oss.oracle.com, devel@lists.orangefs.org, linux-fsdevel@vger.kernel.org, linux-mtd@lists.infradead.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org, lustre-devel@lists.lustre.org To: Souptick Joarder , Matthew Wilcox Return-path: In-Reply-To: <20180516054348.15950-1-hch@lst.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" List-Id: linux-ext4.vger.kernel.org U2lnbmVkLW9mZi1ieTogQ2hyaXN0b3BoIEhlbGx3aWcgPGhjaEBsc3QuZGU+Ci0tLQogZnMvYnRy ZnMvY3RyZWUuaCB8ICAyICstCiBmcy9idHJmcy9pbm9kZS5jIHwgMTkgKysrKysrKysrKy0tLS0t LS0tLQogMiBmaWxlcyBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspLCAxMCBkZWxldGlvbnMoLSkK CmRpZmYgLS1naXQgYS9mcy9idHJmcy9jdHJlZS5oIGIvZnMvYnRyZnMvY3RyZWUuaAppbmRleCAx NDg1Y2QxMzBlMmIuLjAyYTBkZTczYzFkMSAxMDA2NDQKLS0tIGEvZnMvYnRyZnMvY3RyZWUuaAor KysgYi9mcy9idHJmcy9jdHJlZS5oCkBAIC0zMjAzLDcgKzMyMDMsNyBAQCBpbnQgYnRyZnNfbWVy Z2VfYmlvX2hvb2soc3RydWN0IHBhZ2UgKnBhZ2UsIHVuc2lnbmVkIGxvbmcgb2Zmc2V0LAogCQkJ IHNpemVfdCBzaXplLCBzdHJ1Y3QgYmlvICpiaW8sCiAJCQkgdW5zaWduZWQgbG9uZyBiaW9fZmxh Z3MpOwogdm9pZCBidHJmc19zZXRfcmFuZ2Vfd3JpdGViYWNrKHZvaWQgKnByaXZhdGVfZGF0YSwg dTY0IHN0YXJ0LCB1NjQgZW5kKTsKLWludCBidHJmc19wYWdlX21rd3JpdGUoc3RydWN0IHZtX2Zh dWx0ICp2bWYpOwordm1fZmF1bHRfdCBidHJmc19wYWdlX21rd3JpdGUoc3RydWN0IHZtX2ZhdWx0 ICp2bWYpOwogaW50IGJ0cmZzX3JlYWRwYWdlKHN0cnVjdCBmaWxlICpmaWxlLCBzdHJ1Y3QgcGFn ZSAqcGFnZSk7CiB2b2lkIGJ0cmZzX2V2aWN0X2lub2RlKHN0cnVjdCBpbm9kZSAqaW5vZGUpOwog aW50IGJ0cmZzX3dyaXRlX2lub2RlKHN0cnVjdCBpbm9kZSAqaW5vZGUsIHN0cnVjdCB3cml0ZWJh Y2tfY29udHJvbCAqd2JjKTsKZGlmZiAtLWdpdCBhL2ZzL2J0cmZzL2lub2RlLmMgYi9mcy9idHJm cy9pbm9kZS5jCmluZGV4IGVjOWRiMjQ4YzQ5OS4uZjRmMDNmMGY0NTU2IDEwMDY0NAotLS0gYS9m cy9idHJmcy9pbm9kZS5jCisrKyBiL2ZzL2J0cmZzL2lub2RlLmMKQEAgLTg4MjQsNyArODgyNCw3 IEBAIHN0YXRpYyB2b2lkIGJ0cmZzX2ludmFsaWRhdGVwYWdlKHN0cnVjdCBwYWdlICpwYWdlLCB1 bnNpZ25lZCBpbnQgb2Zmc2V0LAogICogYmV5b25kIEVPRiwgdGhlbiB0aGUgcGFnZSBpcyBndWFy YW50ZWVkIHNhZmUgYWdhaW5zdCB0cnVuY2F0aW9uIHVudGlsIHdlCiAgKiB1bmxvY2sgdGhlIHBh Z2UuCiAgKi8KLWludCBidHJmc19wYWdlX21rd3JpdGUoc3RydWN0IHZtX2ZhdWx0ICp2bWYpCit2 bV9mYXVsdF90IGJ0cmZzX3BhZ2VfbWt3cml0ZShzdHJ1Y3Qgdm1fZmF1bHQgKnZtZikKIHsKIAlz dHJ1Y3QgcGFnZSAqcGFnZSA9IHZtZi0+cGFnZTsKIAlzdHJ1Y3QgaW5vZGUgKmlub2RlID0gZmls ZV9pbm9kZSh2bWYtPnZtYS0+dm1fZmlsZSk7CkBAIC04ODM2LDcgKzg4MzYsOCBAQCBpbnQgYnRy ZnNfcGFnZV9ta3dyaXRlKHN0cnVjdCB2bV9mYXVsdCAqdm1mKQogCWNoYXIgKmthZGRyOwogCXVu c2lnbmVkIGxvbmcgemVyb19zdGFydDsKIAlsb2ZmX3Qgc2l6ZTsKLQlpbnQgcmV0OworCXZtX2Zh dWx0X3QgcmV0OworCWludCBlcnI7CiAJaW50IHJlc2VydmVkID0gMDsKIAl1NjQgcmVzZXJ2ZWRf c3BhY2U7CiAJdTY0IHBhZ2Vfc3RhcnQ7CkBAIC04ODU4LDE0ICs4ODU5LDE0IEBAIGludCBidHJm c19wYWdlX21rd3JpdGUoc3RydWN0IHZtX2ZhdWx0ICp2bWYpCiAJICogZW5kIHVwIHdhaXRpbmcg aW5kZWZpbml0ZWx5IHRvIGdldCBhIGxvY2sgb24gdGhlIHBhZ2UgY3VycmVudGx5CiAJICogYmVp bmcgcHJvY2Vzc2VkIGJ5IGJ0cmZzX3BhZ2VfbWt3cml0ZSgpIGZ1bmN0aW9uLgogCSAqLwotCXJl dCA9IGJ0cmZzX2RlbGFsbG9jX3Jlc2VydmVfc3BhY2UoaW5vZGUsICZkYXRhX3Jlc2VydmVkLCBw YWdlX3N0YXJ0LAorCWVyciA9IGJ0cmZzX2RlbGFsbG9jX3Jlc2VydmVfc3BhY2UoaW5vZGUsICZk YXRhX3Jlc2VydmVkLCBwYWdlX3N0YXJ0LAogCQkJCQkgICByZXNlcnZlZF9zcGFjZSk7Ci0JaWYg KCFyZXQpIHsKLQkJcmV0ID0gZmlsZV91cGRhdGVfdGltZSh2bWYtPnZtYS0+dm1fZmlsZSk7CisJ aWYgKCFlcnIpIHsKKwkJZXJyID0gZmlsZV91cGRhdGVfdGltZSh2bWYtPnZtYS0+dm1fZmlsZSk7 CiAJCXJlc2VydmVkID0gMTsKIAl9Ci0JaWYgKHJldCkgewotCQlpZiAocmV0ID09IC1FTk9NRU0p CisJaWYgKGVycikgeworCQlpZiAoZXJyID09IC1FTk9NRU0pCiAJCQlyZXQgPSBWTV9GQVVMVF9P T007CiAJCWVsc2UgLyogLUVOT1NQQywgLUVJTywgZXRjICovCiAJCQlyZXQgPSBWTV9GQVVMVF9T SUdCVVM7CkBAIC04OTI3LDkgKzg5MjgsOSBAQCBpbnQgYnRyZnNfcGFnZV9ta3dyaXRlKHN0cnVj dCB2bV9mYXVsdCAqdm1mKQogCQkJICBFWFRFTlRfRE9fQUNDT1VOVElORyB8IEVYVEVOVF9ERUZS QUcsCiAJCQkgIDAsIDAsICZjYWNoZWRfc3RhdGUpOwogCi0JcmV0ID0gYnRyZnNfc2V0X2V4dGVu dF9kZWxhbGxvYyhpbm9kZSwgcGFnZV9zdGFydCwgZW5kLCAwLAorCWVyciA9IGJ0cmZzX3NldF9l eHRlbnRfZGVsYWxsb2MoaW5vZGUsIHBhZ2Vfc3RhcnQsIGVuZCwgMCwKIAkJCQkJJmNhY2hlZF9z dGF0ZSwgMCk7Ci0JaWYgKHJldCkgeworCWlmIChlcnIpIHsKIAkJdW5sb2NrX2V4dGVudF9jYWNo ZWQoaW9fdHJlZSwgcGFnZV9zdGFydCwgcGFnZV9lbmQsCiAJCQkJICAgICAmY2FjaGVkX3N0YXRl KTsKIAkJcmV0ID0gVk1fRkFVTFRfU0lHQlVTOwotLSAKMi4xNy4wCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRy aS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK