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SubjectRe: [PATCH] fat: eliminate iterations in fat_search_long in case of EOD
Date
Namjae Jeon <linkinjeon@gmail.com> writes:

> 2013/1/20, OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>:
>> Namjae Jeon <linkinjeon@gmail.com> writes:
>>
>>> From: Namjae Jeon <namjae.jeon@samsung.com>
>>>
>>> When searching a directory for names, we can stop checking for further
>>> entries if we detect End of Directory, i.e. if (de->name[0] == 0x00).The
>>> current code traverses the cluster chain of a directory until a hit is
>>> found or till the last cluster for that directory, ignoring the EOD mark.
>>> Fix this.
>>
>> f_pos still works fine after this change?
> Hi OGAWA.
> I can not find f_pos usage in fat_search_long function.
> Maybe, Have you seen other function such as __fat_readdir ?
> Let me know your opinion.

Ah, I see. Only ->lookup. So, this makes behavior more strange.
I.e. readdir() returns beyond 0, but lookup() can't find it?

Thanks.
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>


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