dm cache: move wake_waker() from free_migrations() to where it is needed

This stops spurious wake ups from calls to prealloc_free_structs().

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Joe Thornber 2015-07-30 09:29:40 +01:00 • committed by Mike Snitzer
commit e44b6a5a3c