Re: [PATCH] Add CONFIG_VFAT_NO_CREATE_WITH_LONGNAMES option

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tridge@xxxxxxxxx writes:

> Hi Hirofumi-san,
>
>  > It may be ok. However, of course, it should consider other than
>  > ascii. Well, I think the patch should be allow only perfect 8.3 name in
>  > vfat_create_shortname(). (i.e. is_shortname && base/ext_info.valid)
>
> ok, so something like this in vfat_create_shortname() ?
>
> #ifdef CONFIG_VFAT_NO_CREATE_WITH_LONGNAMES
> 	if (is_shortname == 0 ||
> 	    !(base_info.valid && ext_info.valid))
> 		return -ENAMETOOLONG;
> 	shortname_flags = VFAT_SFN_CREATE_WINNT;
> #endif

Yes. I guess -ENAMETOOLONG would not good for !valid, and !(is_shortname
&& base_info.valid && ext_info.valid) or add "else" part is more prefer
though.

> that still means that creating a file ShortNam.TxT actually creates
> shortnam.txt on disk. Will the case-insensitive vfat_cmpi used as
> d_compare cope OK with that?

Yes. The case-insensitive is ok, the dcache can handle case-insensitive.
-- 
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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