Re: The argument for fs assistance in handling archives (was: silent semantic changes with reiser4)

Helge Hafting
2004-09-03T08:43:44Z

Frank van Maarseveen wrote:

>On Thu, Sep 02, 2004 at 11:33:24PM +0100, viro@parcelfarce.linux.theplanet.co.uk wrote:
>
>
>>RTFS and you'll see. Individual fs generally knows how to check if it
>>would be immediately unhappy with given image (not all types do, BTW).
>>Exact form of checks depends on fs type; for crying out loud, there's
>>not even a promise that they are mutually exclusive!
>>
>>
>
>so?
>
>A user can stick an USB memory card with _any_ malformed fs data and
>make troubles via the automounter or user mounts. Yes, mount might do
>some more checks but it sure won't do an fsck.
>
>The user gets what he deserves when sticking crap in an USB port.
>
>And that doesn't mean that the kernel should accept any fs image
>when a user tries to cd into the file.
>
>
You don't need kernel support for cd'ing into fs images.
You need a shell (or GUI app) that:
1. notices that user tries to CD into a file, not a directory
2. Attempts fs type detection and do a loop mount.
3. Give error message if it wasn't a supported fs image.

Helge Hafting