On 04/08/2009 05:32 PM, David Lehman wrote:
On Wed, 2009-04-08 at 15:07 +0200, Jacek Danecki wrote:
New iswmd parameter for kernel cmdline
Instead of gunking things up with checking of command line args and
such, would something like the attached patch work?
Looks interesting,
Jacek, what do you think?
Regards,
Hans
diff --git a/storage/formats/__init__.py b/storage/formats/__init__.py
index 784bb1c..1bdc7c5 100644
--- a/storage/formats/__init__.py
+++ b/storage/formats/__init__.py
@@ -3,6 +3,9 @@
#
# Copyright (C) 2009 Red Hat, Inc.
#
+# Copyright (C) 2009 Intel Corporation
+# April 2009 - Changes for MD support for isw format
+#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
@@ -112,6 +115,9 @@ def collect_device_format_classes():
log.debug("import of device format module '%s' failed" % mod_name)
def get_device_format_class(fmt_type):
+ from mdraid import MDRaidMember
+ from dmraid import DMRaidMember
+ from flags import flags
""" Return an appropriate format class based on fmt_type. """
if not device_formats:
collect_device_format_classes()
@@ -122,6 +128,10 @@ def get_device_format_class(fmt_type):
if fmt_type and fmt_type == fmt_class._name:
fmt = fmt_class
break
+ elif fmt_type == "isw_raid_member" and flags.cmdline.has_key("iswmd"):
+ log.debug("found MD cmdline parameter")
+ fmt = MDRaidMember
+ break
elif fmt_type in fmt_class._udevTypes:
fmt = fmt_class
break
diff --git a/storage/udev.py b/storage/udev.py
index 63cc3fd..b56599f 100644
--- a/storage/udev.py
+++ b/storage/udev.py
@@ -3,6 +3,9 @@
#
# Copyright (C) 2009 Red Hat, Inc.
#
+# Copyright (C) 2009 Intel Corporation
+# April 2009 - Changes for MD support for isw format
+#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
@@ -308,6 +311,21 @@ def udev_device_is_dmraid(info):
return False
+def udev_device_is_mdraid(info):
+ from formats.mdraid import MDRaidMember
+ from flags import flags
+ if info.has_key("ID_FS_TYPE"):
+ if flags.cmdline.has_key("iswmd"):
+ log.debug("found MD cmdline parameter")
+ if info["ID_FS_TYPE"] == "isw_raid_member":
+ log.debug("use MD for isw")
+ return True
+ else:
+ if info["ID_FS_TYPE"] in MDRaidMember._udevTypes:
+ return True
+
+ return False
+
def udev_device_get_dmraid_partition_disk(info):
try:
p_index = info["DM_NAME"].rindex("p")
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