[haiku-commits] Re: haiku: hrev44728 - src/add-ons/kernel/file_systems/ntfs
- From: "Ingo Weinhold" <ingo_weinhold@xxxxxx>
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Wed, 31 Oct 2012 13:40:13 +0100
Philippe Houdoin wrote:
> Le 31 oct. 2012 11:10, "Ingo Weinhold" <ingo_weinhold@xxxxxx> a Ãcrit :
> >
> > Philippe Houdoin wrote:
> > > Networking file systems are obvious clients for such move but
> > > ont necessarily the only ones.
> >
> > Could you elaborate on that part? I don't see why the userland MIME
> sniffing shouldn't work network FSs.
>
> Indeed.
> The question then is why NTFS needs to do such mapping by itself, in fact ?
Unlike our FAT implementation (and probably others) it doesn't do any kind of
mapping/sniffing. It just supports a virtual (in-memory) "BEOS:MIME" attribute
that can written and read (it's initially not set), so that the userland
sniffing works. That is the sniffing part always works, but setting the
"BEOS:MIME" attribute to the resulting type fails, if there is no attribute
support.
IMO, that's the most sensible solution. Hence Axel suggested to generalize it
via a kernel module or an FS layer.
CU, Ingo
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