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DateSun, 31 Oct 2004 21:38:36 -0800
FromHans Reiser <>
SubjectRe: readdir loses renamed files
Jan Engelhardt wrote:

>>>>It should be possible to perform an atomic readdir if that is what you
>>>>want to do and if you have space in your process to stuff the result.
>>>> 
>>>>
>>>How much would it cost to always append the new name into the directory rather
>>>than modifying it in place?
>>> 
>>>
>>Forgive me, what does the sentence above mean?  Paste it out of order?
>> 
>>
>
>As I have read from earlier replies, ext2/3 replaces a filename with the new
>one, given that it is the same length or shorter, and especially that might
>skip a while when readdir()ing.
>So I was concerned about the speed impact which would arise, if the filename
>was never modified in-place but always appended as a new object to the
>end-of-directory.
>
>
>
>Jan Engelhardt
> 
>
The api is fundamentally broken.  Sorry.   Will try to avoid making that 
mistake in sys_reiser4.
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