SLOW_WORK: Wait for outstanding work items belonging to a module to clear

Wait for outstanding slow work items belonging to a module to clear when
unregistering that module as a user of the facility.  This prevents the put_ref
code of a work item from being taken away before it returns.

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index 59d2695509d3..b2bb779f09ed 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -593,6 +593,7 @@ fail:
 }
 
 struct slow_work_ops gfs2_recover_ops = {
+        .owner   = THIS_MODULE,
         .get_ref = gfs2_recover_get_ref,
         .put_ref = gfs2_recover_put_ref,
         .execute = gfs2_recover_work,