2011/7/27 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>:
> On Wed, 27 Jul 2011 08:06:37 +0900
> Akinobu Mita <akinobu.mita@xxxxxxxxx> wrote:
>
>> init_fault_attr_dentries() is used to export fault_attr via debugfs. But
>> it can only export it in debugfs root directory.
>>
>> Per Forlin is working on mmc_fail_request which adds support to inject
>> data errors after a completed host transfer in MMC subsystem.
>>
>> The fault_attr for mmc_fail_request should be defined per mmc host and
>> export it in debugfs directory per mmc host like
>> /sys/kernel/debug/mmc0/mmc_fail_request.
>>
>> init_fault_attr_dentries() doesn't help for mmc_fail_request. So this
>> introduces debugfs_create_fault_attr() which is able to create a directory
>> in the arbitrary directory and replace init_fault_attr_dentries().
>
> The name is wrong. "debugfs_create_fault_attr" refers to some function
> exported by the debugfs code. But this function is exported by the
> fault injection code.
>
> I edited the patch and renamed it to fault_create_debugfs_attr, which
> may not make a ton of sense - please let me know if there's something
> more appropriate.
Thanks for spotting the problem and the new function name sounds good.
> I suggest that all symbols exported by this system should start with
> "fault_". ("fault_injection_" would be more appropriate, but it's
> rather lengthy). Please take a look through the code, see if there's
> anything else we should clean up.
OK, I'll check that.
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