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How to use get_iosched_path method in autotest

Best Python code snippet using autotest_python

fsdev_disks.py

Source:fsdev_disks.py

...411        Given a disk name, a path to a tunable value under _TUNE_PATH and the412        new value for the parameter, set the value and verify that the value413        has been successfully set.414        """415        fpath = partition.get_iosched_path(disk, path)416        # Things might go wrong so we'll catch exceptions417        try:418            step = "open tunable path"419            tunef = open(fpath, 'w', buffering=-1)420            step = "write new tunable value"421            tunef.write(val)422            step = "close the tunable path"423            tunef.close()424            step = "read back new tunable value"425            nval = open(fpath, 'r', buffering=-1).read().strip()426            # For 'scheduler' we need to fish out the bracketed value427            if name == "scheduler":428                nval = re.match(".*\[(.*)\].*", nval).group(1)429        except IOError as info:...

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