How to use xfs_tunables method in autotest

Best Python code snippet using autotest_python Github


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...150 if key in conversions:151 mkfs_option[value] = conversions[key](tune2fs_dict, key)152 else:153 mkfs_option[value] = tune2fs_dict[key]154def xfs_tunables(dev):155 """Call xfs_grow -n to get filesystem tunables."""156 # Have to mount the filesystem to call xfs_grow.157 tmp_mount_dir = tempfile.mkdtemp()158 cmd = 'mount %s %s' % (dev, tmp_mount_dir)159 utils.system_output(cmd)160 xfs_growfs = os.path.join(os.environ['AUTODIR'], 'tools', 'xfs_growfs')161 cmd = '%s -n %s' % (xfs_growfs, dev)162 try:163 out = utils.system_output(cmd)164 finally:165 # Clean.166 cmd = 'umount %s' % dev167 utils.system_output(cmd, ignore_status=True)168 os.rmdir(tmp_mount_dir)...

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