Re: vfat creates multiple files with the same filename

From: OGAWA Hirofumi
Date: Tue Jun 30 2009 - 20:29:48 EST


Marton Balint <cus@xxxxxxxxxx> writes:

> On Tue, 30 Jun 2009, OGAWA Hirofumi wrote:
>> Marton Balint <cus@xxxxxxxxxx> writes:
>>
>> > I don't know if removing the invalid characters silently instead of
>> > returning EINVAL is a good practice, but allowing two files with identical
>> > filenames is definitely wrong.
>>
>> The utf8 function seems didn't return the error for invalid char.
>>
>> > Could someone please have a look at the problem? Unfortunately I am not
>> > qualified enough to track it down...
>> >
>> > I've run the testcase on both 2.6.30 and 2.6.31-rc1 kernels, but this bug
>> > is probably not very new, since I remember having it also in 2.6.27.
>>
>> This is quick hack though, this should return -EINVAL for invalid char
>> like nls. Can you try this?
>
> It works for me, filenames with invalid utf-8 characters are now rejected,
> so I no longer can create multiple files with the same name. Thanks for
> the fix.

Thanks for testing.
--
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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