[LTP] [PATCH] kernel/device-drivers/zram/zram01.sh : add a sync

[Cyril Hrubis]

Hi!
> This is actually a kernel bug reported upstream:
> https://lore.kernel.org/linux-block/20221107191136.18048-1-pvorel@suse.cz/
> 
> Not only the test files stay in page cache, but the whole VFAT 
> superblock seems to disappear from the device as well until sync.

So I guess that we should add a message to the test pointing out to the
upstream bug if the size ends up being zero instead.

-- 
Cyril Hrubis
chrubis@suse.cz