Re: [RFC] FS charset conversions

[Alexander Viro]

On Tue, 5 Nov 2002, Samium Gromoff wrote:

>         The problem root lies in the fact in some languages (notably russian)
>     there is more then one widely used charset. In russian for example
>     there are koi8-r, iso8859-5, cp866 and the infamous but widely used
>     ms cp1251.
> 
>         Once you need to have access to some data with names using the second
>     half of the ascii table the trouble arises. For example the situation
>     i have here is that smbd provides the public share and people creates
>     there some files originating with the cp1251 encoding. Myself having
>     koi8-r as the system default charset naturally observe crap.
> 
>         The proposed and seemingly natural solution is to add a possibility
>     to mount --bind the subtree with a filename charset conversion applied.

Will not work.  Bindings do _NOT_ create extra superblock/dentry tree/etc.
and they are invisible to filesystem.  E.g. to ->readdir().

(besides, filesystems playing with case conversions are bad enough, now
let's VFS try charset ones?)