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?
>
> 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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diff --git a/storage/formats/dmraid.py b/storage/formats/dmraid.py
index 4ebd41c..c1d6593 100644
--- a/storage/formats/dmraid.py
+++ b/storage/formats/dmraid.py
@@ -21,6 +21,7 @@
#
from iutil import log_method_call
+from flags import flags
from ..errors import *
from . import DeviceFormat, register_device_format
@@ -93,5 +95,9 @@ class DMRaidMember(DeviceFormat):
type=self.type, status=self.status)
raise DMRaidMemberError("destruction of dmraid members is non-sense")
+
+if not flags.cmdline.has_key("iswmd"):
+ DMRaidMember._udevTypes.remove("isw_raid_member")
+
register_device_format(DMRaidMember)
diff --git a/storage/formats/mdraid.py b/storage/formats/mdraid.py
index ec1a617..36bfa1c 100644
--- a/storage/formats/mdraid.py
+++ b/storage/formats/mdraid.py
@@ -23,6 +23,7 @@
import os
from iutil import log_method_call
+from flags import flags
from parted import PARTITION_RAID
from ..errors import *
from ..devicelibs import mdraid
@@ -93,5 +94,8 @@ class MDRaidMember(DeviceFormat):
return False
+if flags.cmdline.has_key("iswmd"):
+ MDRaidMember._udevTypes.append("isw_raid_member")
+
register_device_format(MDRaidMember)
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