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

On 10/29/05, Jon Masters <[email protected]> wrote:

> The /only/ way I can see to "fix" this is to do a pointless open on
> the block device and see if that returns EROFS before allowing a
> remount. But I don't know what other hassle that will cause - I'll
> make the hack, but someone (Al?) who knows the code will need to
> comment because this might completely fuck up a lock somewhere.

Or change the policy for the underlying gendisk in floppy.c according
to what we find when we do an floppy_open on the device. Which is what
I'm looking at as a workaround.

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

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