Re: [RFC 4/5] ext4: add fs freezing support on suspend/hibernation

From: Bart Van Assche
Date: Wed Oct 04 2017 - 11:25:23 EST


On Wed, 2017-10-04 at 18:05 +1100, Dave Chinner wrote:
> Basically, before thawing filesystems the rest of the kernel
> infrastructure needs to have been restarted. i.e. the order
> needs to be:
>
> freeze userspace
> freeze filesystems
> freeze kernel threads
> freeze workqueues
>
> thaw workqueues
> thaw kernel threads
> thaw filesystems
> thaw userspace
>
> and it should end up that way.

Does this order support filesystems that have been implemented in user space,
e.g. filesystems based on FUSE?

Thanks,

Bart.