Re: remove sparse check in vnd

[Thor Lancelot Simon <tls%panix.com@localhost>]

On Mon, Feb 07, 2011 at 04:58:16AM +0000, David Holland wrote:
> On Sat, Feb 05, 2011 at 10:07:13PM -0500, der Mouse wrote:
>  > Of course, still better would be to fix vnd, though I'm not sure what
>  > the right fix would be. 
> 
> What's the problem? My vague understanding was that you could get into
> deadlocks allocating blocks, but maybe I'm confusing it with something
> else.

What exactly do you tell the application when you cannot allocate space
on the underlying filsystem?  It thinks it has a disk, not a filesystem
file!  The opportunities for application havoc are exceeded only by something
like a Drobo.

Thor