Re: Floppy Handling

From: James Sutherland (jas88@cam.ac.uk)
Date: Wed Jun 14 2000 - 13:43:54 EST


On Wed, 14 Jun 2000, Jacques Richer wrote:

> There may be an issue with using a virtual block device with floppy
> recognition code used to identify "which disk". The main issue I can see
> is the following scenario:
> 1. Joe user inserts a floppy disk in his linux box and creates a
> file.
> 2. Same user gives disk to Jane user, who updates the file.
> 3. Jane user gives disk back to Joe user, who works on these
> updates...
>
> Unless there is a "timestamp" on updates, there is no way for the kernel
> level code to know about the changes between steps 1 and 3. esult:
> probable file system corruption.

ISTR we should get a "disk changed" indication from the drive, which will
indicate that?

James.

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