ufs freeze does not work

[Edward Tomasz Napierała]

On 0627T0815, Hongjiang Zhang via freebsd-fs wrote:
> Hi all,
> 
> I wrote a test to freeze ufs, but it does not work even if the ioctl returns successful. What is the problem?

What do you mean by 'does not work'?  What happens, and what did
you expect to happen?

Regarding your example - remember that the filesystem gets automatically
unsuspended as soon as you close the /dev/ufssuspend file descriptor.