!9 python-rtslib: backport one upstream patch - epoch2

From: @liuzhiqiang26
Reviewed-by: @lixiaokeng,@wubo009
Signed-off-by: @wubo009

0003-Fix-EPERM-errors-with-scsi_generic-devices.patch

@@ -0,0 +1,26 @@
+From 964520037320534512713e58bf70be6c428097dc Mon Sep 17 00:00:00 2001
+From: Jaroslav <niekto@niekde.sk>
+Date: Tue, 7 Jul 2020 11:21:45 +0200
+Subject: [PATCH 1/4] Fix EPERM errors with scsi_generic devices
+
+Resolves https://github.com/open-iscsi/targetcli-fb/issues/158
+---
+ rtslib/utils.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/rtslib/utils.py b/rtslib/utils.py
+index eff2205..4bcadea 100644
+--- a/rtslib/utils.py
++++ b/rtslib/utils.py
+@@ -114,7 +114,7 @@ def is_dev_in_use(path):
+     '''
+     path = os.path.realpath(str(path))
+     try:
+-        file_fd = os.open(path, os.O_EXCL|os.O_NDELAY)
++        file_fd = os.open(path, os.O_EXCL|os.O_NDELAY|os.O_RDWR)
+     except OSError:
+         return True
+     else:
+-- 
+1.8.3.1
+

python-rtslib.spec

@@ -4,7 +4,7 @@
 
 Name: python-rtslib
 Version: 2.1.70
-Release: 6
+Release: 7
 Summary: Python object API for Linux kernel LIO SCSI target
 
 License: ASL 2.0
@@ -12,6 +12,7 @@ URL: https://github.com/open-iscsi/%{oname}
 Source0: %{url}/archive/v%{version}/%{oname}-%{version}.tar.gz
 Patch1: 0001-saveconfig-copy-temp-configfile-with-permissions.patch
 Patch2: 0002-saveconfig-open-the-temp-configfile-with-modes-set.patch
+Patch3: 0003-Fix-EPERM-errors-with-scsi_generic-devices.patch
 
 BuildArch: noarch
 BuildRequires: systemd-units
@@ -120,6 +121,9 @@ install -m 644 doc/saveconfig.json.5.gz %{buildroot}%{_mandir}/man5/
 %{_mandir}/man5/saveconfig.json.5.gz
 
 %changelog
+* Mon Nov 2 2020 Zhiqiang Liu <lzhq28@mail.ustc.edu.cn> - 2.1.70-7
+- backport upstream patch to solve one problem
+
 * Fri Oct 30 2020 tianwei <tianwei12@huawei.com> - 2.1.70-6
 - remove python2