These patches add support for new iswmd parameter in kernel command
line. When this parameter is included in command line, isw raid array
will we activated by mdadm instead of dmraid. This is first set of
patches, next will be soon.
diff --git a/storage/formats/__init__.py b/storage/formats/__init__.py
index 784bb1c..f4213f5 100644
--- a/storage/formats/__init__.py
+++ b/storage/formats/__init__.py
@@ -112,6 +112,9 @@ 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 +125,15 @@ 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":
+ if flags.cmdline.has_key("iswmd"):
+ log.debug("found MD cmdline parameter")
+ fmt = MDRaidMember
+ break
+ else:
+ log.debug("don't found MD cmdline parameter")
+ fmt = DMRaidMember
+ break
elif fmt_type in fmt_class._udevTypes:
fmt = fmt_class
break
diff --git a/storage/udev.py b/storage/udev.py
index 63cc3fd..46ccd39 100644
--- a/storage/udev.py
+++ b/storage/udev.py
@@ -308,6 +308,21 @@ 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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