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Reload cas_cache if its params need to be changed

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Before starting cache, the method checks if current kernel module params
are equal to configured (or default if configuration is default). If not
then kernel module is reloaded with proper parameters.

Signed-off-by: Daniel Madej <daniel.madej@intel.com>
This commit is contained in:
Daniel Madej 2020-10-09 12:20:10 +02:00
parent 2719804d38
commit f3dd047917
1 changed files with 8 additions and 4 deletions
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12
test/functional/api/cas/casadm.py
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@ -6,10 +6,12 @@
from typing import List
from api.cas.cache import Cache
from api.cas.cache_config import CacheLineSize, CacheMode, SeqCutOffPolicy, CleaningPolicy
from api.cas.cache_config import CacheLineSize, CacheMode, SeqCutOffPolicy, CleaningPolicy, \
KernelParameters
from api.cas.core import Core
from core.test_run import TestRun
from storage_devices.device import Device
from test_utils.os_utils import reload_kernel_module
from test_utils.output import CmdException
from test_utils.size import Size, Unit
from .casadm_params import *
@ -23,7 +25,11 @@ def help(shortcut: bool = False):
def start_cache(cache_dev: Device, cache_mode: CacheMode = None,
cache_line_size: CacheLineSize = None, cache_id: int = None,
force: bool = False, load: bool = False, shortcut: bool = False):
force: bool = False, load: bool = False, shortcut: bool = False,
kernel_params: KernelParameters = KernelParameters()):
if kernel_params != KernelParameters.read_current_settings():
reload_kernel_module("cas_cache", kernel_params.get_parameter_dictionary())
_cache_line_size = None if cache_line_size is None else str(
int(cache_line_size.value.get_value(Unit.KibiByte)))
_cache_id = None if cache_id is None else str(cache_id)
@ -33,7 +39,6 @@ def start_cache(cache_dev: Device, cache_mode: CacheMode = None,
cache_id=_cache_id, force=force, load=load, shortcut=shortcut))
if output.exit_code != 0:
raise CmdException("Failed to start cache.", output)
return Cache(cache_dev)
@ -126,7 +131,6 @@ def load_cache(device: Device, shortcut: bool = False):
load_cmd(cache_dev=device.system_path, shortcut=shortcut))
if output.exit_code != 0:
raise CmdException("Failed to load cache.", output)
return Cache(device)