Re: Weirdness of "mount -o remount,rw" with write-protected floppy

On 10/27/05, Evgeny Stambulchik <[email protected]> wrote:

> # mount /dev/fd0 /mnt/floppy/
> mount: block device /dev/fd0 is write-protected, mounting read-only
> # mount -o remount,rw /mnt/floppy
> # echo $?
> 0

Oops. That looks like a bug.

> The bug is present in both 2.4 and 2.6, and is specific to floppy
> devices. Other RO media I tried (CDROM, RO-exported NFS) are partially
> OK, in the sense that a write attempt returns an error; however, "mount
> -o remount,rw" always returns success (this might be a bug in mount).

Interesting. If nobody else gets there first, I'll take a look.

Jon.
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Follow-Ups:
- Re: Weirdness of "mount -o remount,rw" with write-protected floppy
  - From: Jon Masters <[email protected]>

References:
- Weirdness of "mount -o remount,rw" with write-protected floppy
  - From: Evgeny Stambulchik <[email protected]>

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