Tejun Heo wrote:
> Eric W. Biederman wrote:
>> This modifies sysfs_rename_dir to use sysfs_addrm_start/sysfs_addrm_finish
>> making it more like the rest of the sysfs directory manipulation functions.
>>
>> This moves the entire rename operation inside of sysfs_mutex removing
>> the need to grab i_mutex, and incidentally this kills one s_dentry use.
>>
>> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
> 
> Looks good.
> 
> Acked-by: Tejun Heo <htejun@gmail.com>
> 

Just one afterthought.  addrm_start/finish are basically used as wrapper
to lock both sysfs_mutex and i_mutex.  It might be better to just open
code them.  sysfs_move_dir() has to open code locking anyway and IMHO
it's better to keep rename and move look similar.

Thanks.

-- 
tejun
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