Re: Fixing swap1_stop

["J. Hannken-Illjes" <hannken%eis.cs.tu-bs.de@localhost>]

> On 19. Aug 2017, at 14:20, Christos Zoulas <christos%zoulas.com@localhost> wrote:
> 
> On Aug 19,  1:04pm, hannken%eis.cs.tu-bs.de@localhost ("J. Hannken-Illjes") wrote:
> -- Subject: Re: Fixing swap1_stop
> 
> | A long time ago forced unmounts tried to change open block device nodes
> | to anonymous (not attached to a file system) nodes.  This was racy and
> | has been removed.
> | 
> | With the recent changes to the VFS subsystem it should be possible to
> | bring this behaviour back and instead of destroying open device nodes
> | a forced unmount would detach them from the file system and keep them
> | active.
> | 
> | Did you mean something like this?
> 
> Yes exactly that.

Committed and pullup to -8 requested:

src/sys/kern/vfs_vnode.c r1.97, r1.98
src/sys/miscfs/deadfs/dead_vfsops.c r1.8
src/sys/kern/vfs_mount.c r1.67
src/sys/sys/vnode_impl.h r1.16

--
J. Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig (Germany)